MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


QuasarRAT


Vendor detections: 20


Intelligence 20 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba
SHA3-384 hash: 8444ac67902c2fdb3a4ce52c12caa38239d6428bc792ace8abfa7ac7897629e488811cd072d3101e5466ada6fe53efd2
SHA1 hash: 762c7072179bce1822999dc30c6252262caf6c00
MD5 hash: 13b0dec8a2c9291ec13ca9d0f1a98b33
humanhash: double-fruit-cold-summer
File name:5fr5gthkjdg71.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:6'332'216 bytes
First seen:2025-01-02 08:56:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c5b1beabd90d9fdabd1df0779ea832 (11 x CoinMiner, 10 x QuasarRAT, 8 x AsyncRAT)
ssdeep 98304:j3GflC+i0bBHXGgjaQx+OhfzTxzdloaDU5BKtxo5fQIwuhkNUwZ:j3GtCj0bR2Ej1hbTxkfzKYAEkXZ
Threatray 368 similar samples on MalwareBazaar
TLSH T162561204B3D42EEDC12A6274D4615A71D2FAB80E2A778BBF0558D2771E23745CE39B23
TrID 72.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
15.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
4.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
2.8% (.EXE) Win64 Executable (generic) (10522/11/4)
1.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter juroots
Tags:exe Quasar QuasarRAT


Avatar
juroots
https://threatfox.abuse.ch/ioc/1377219/
https://threatfox.abuse.ch/ioc/1377220/

Intelligence

File Origin
# of uploads :
1
# of downloads :
368
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
5fr5gthkjdg71.exe
Verdict:
Malicious activity
Analysis date:
2025-01-02 08:49:30 UTC
Tags:
miner quasar
Link:
https://app.any.run/tasks/5f2f1d23-4c0c-454a-9c25-7884c697628e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Bulz-9823462-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Generic-9968329-0
Create hunting rule

Win.Packed.Zusy-10017005-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677654e074a2bd296e2515ea
Tags:
infosteal autorun quasar cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching a process
Deleting a system file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm explorer fingerprint infostealer keylogger lolbin microsoft_visual_cc obfuscated overlay packed packed packed packer_detected quasarrat rat remote runonce schtasks stealer stealer
Link:
https://www.filescan.io/uploads/677654e04b1a354615f0308e/reports/2fc0d069-0194-4c44-8a9f-3de18287eae3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
XMRig Miner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb738f16-617e-47d4-be43-a70b5881e316
Result
Threat name:
Quasar, R77 RootKit
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1583267
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies power options to not sleep / hibernate
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Sigma detected: Disable power options
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Stop EventLog
Sigma detected: Stop multiple services
Stops critical windows services
Suspicious powershell command line found
Uses cmd line tools excessively to alter registry or file data
Uses powercfg.exe to modify the power settings
Uses Register-ScheduledTask to add task schedules
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected R77 RootKit
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1583267 Sample: 5fr5gthkjdg71.exe Startdate: 02/01/2025 Architecture: WINDOWS Score: 100 113 Found malware configuration 2->113 115 Malicious sample detected (through community Yara rule) 2->115 117 Antivirus detection for dropped file 2->117 119 18 other signatures 2->119 10 5fr5gthkjdg71.exe 8 2->10         started        13 F4R5fd8grr.exe 2->13         started        process3 file4 85 C:\Users\user\Desktop\gfiKDLgr58thy4d.exe, PE32+ 10->85 dropped 87 C:\Users\user\DesktopbehaviorgraphR55Qg1hth.exe, PE32+ 10->87 dropped 89 C:\Users\user\Desktop\F4R5fd8grr.exe, PE32 10->89 dropped 16 gfiKDLgr58thy4d.exe 1 2 10->16         started        20 GR55Qg1hth.exe 4 10->20         started        22 F4R5fd8grr.exe 5 10->22         started        157 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->157 159 Found direct / indirect Syscall (likely to bypass EDR) 13->159 signatures5 process6 file7 75 C:\ProgramData\mxergolzfguk\kaptsegthwf.exe, PE32+ 16->75 dropped 93 Multi AV Scanner detection for dropped file 16->93 95 Modifies the context of a thread in another process (thread injection) 16->95 97 Adds a directory exclusion to Windows Defender 16->97 99 Modifies power options to not sleep / hibernate 16->99 24 dialer.exe 16->24         started        27 powershell.exe 23 16->27         started        42 14 other processes 16->42 77 C:\Users\user\AppData\Local\Temp\FA9.tmp, PE32+ 20->77 dropped 79 C:\Program Files\Cuis\bon\Bara.exe, PE32+ 20->79 dropped 101 Antivirus detection for dropped file 20->101 103 Suspicious powershell command line found 20->103 105 Machine Learning detection for dropped file 20->105 111 5 other signatures 20->111 29 cmd.exe 20->29         started        31 cmd.exe 20->31         started        33 powershell.exe 23 20->33         started        35 powershell.exe 20->35         started        81 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 22->81 dropped 107 Uses schtasks.exe or at.exe to add and modify task schedules 22->107 109 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->109 37 Client.exe 2 22->37         started        40 schtasks.exe 1 22->40         started        signatures8 process9 dnsIp10 131 Injects code into the Windows Explorer (explorer.exe) 24->131 133 Contains functionality to inject code into remote processes 24->133 135 Writes to foreign memory regions 24->135 153 4 other signatures 24->153 54 2 other processes 24->54 137 Loading BitLocker PowerShell Module 27->137 44 conhost.exe 27->44         started        139 Uses cmd line tools excessively to alter registry or file data 29->139 141 Uses powercfg.exe to modify the power settings 29->141 143 Stops critical windows services 29->143 58 11 other processes 29->58 145 Modifies power options to not sleep / hibernate 31->145 60 5 other processes 31->60 46 conhost.exe 33->46         started        48 conhost.exe 35->48         started        91 185.148.3.216, 4000, 49730, 49731 MAGNA-CAPAXFI Finland 37->91 147 Antivirus detection for dropped file 37->147 149 Multi AV Scanner detection for dropped file 37->149 151 Machine Learning detection for dropped file 37->151 155 3 other signatures 37->155 50 schtasks.exe 37->50         started        52 conhost.exe 40->52         started        62 13 other processes 42->62 signatures11 process12 file13 64 conhost.exe 50->64         started        66 conhost.exe 50->66         started        68 conhost.exe 52->68         started        83 C:\Windows\Temp\dsarrsulkovb.sys, PE32+ 54->83 dropped 123 Multi AV Scanner detection for dropped file 54->123 125 Protects its processes via BreakOnTermination flag 54->125 127 Modifies the context of a thread in another process (thread injection) 54->127 129 2 other signatures 54->129 70 powershell.exe 54->70         started        signatures14 process15 signatures16 121 Loading BitLocker PowerShell Module 70->121 73 conhost.exe 70->73         started        process17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba/
Threat name:
Win64.Backdoor.Quasarrat
Create hunting rule
Status:
Malicious
First seen:
2024-10-18 13:22:38 UTC
File Type:
PE+ (Exe)
Extracted files:
22
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eedhhnkpms5ekbfu763xrmsfeyn2i65glg76ctgwmkil7hapms5a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
1416bd55b04a4d8299c3e976e4e6a160850471e330d25f332f70d8ca618de894
QuasarRAT
37fa30c9dcf255bda62c0a6b7f88a48263a3da18d18d8c66b1cbbc801077cfdf
QuasarRAT
a24dafb52de61a6bb3d363afb0d02ac3311d4a4f221b20f246c2fa2d5cb352fd
QuasarRAT
error
QuasarRAT
f49f187849de1ec6c2ac50585cc3ce47ff4b220e413cdedb63b762efd4504bcd
QuasarRAT
fdba9e9d51c62d59de744a179a50ce9f5838af549f30f5b87c8175dace024fee
QuasarRAT
+ 358 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:4drun discovery evasion execution persistence spyware trojan
Link:
https://tria.ge/reports/250102-kwky1sxkdr/
Behaviour
Detects videocard installed
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Power Settings
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Sets service image path in registry
Stops running service(s)
Modifies security service
Quasar RAT
Quasar family
Quasar payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
185.148.3.216:4000
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Bulz-9823462-0
YARA:
malware_windows_quasarrat MAL_QuasarRAT_May19_1 MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/2506ec26-cfae-4d97-9845-f85bfb03538c
Unpacked files
SH256 hash:
19fd26fa3f76141cc05ef0c0c96ea91dcf900e760b57195f216a113b1cf69100
MD5 hash:
ea001f076677c9b0dd774ae670efdf63
SHA1 hash:
37a4466f3c38b60a30fc1073b9d0b2d2d0e692e5
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
Vermin_Keylogger_Jan18_1
Create hunting rule
win_quasarrat_j2
Create hunting rule
win_quasar_rat_client
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
Link:
https://www.unpac.me/results/7e71deb6-f20b-41f9-b675-a7d12d40d1db/
Parent samples :
210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba
647fb95e4fbe4daaaff5dd81e69c2cef8c12d8f5a6f7c95d88f67de72e542b06
6af6769000ad2f44a4396ebbbf81fe1b34c3ad17f0a68251cd9784ce12f9cd8f
b1336c80bc2ba177ffcf3000f209bfb72f6e858e17976427e2155578f06e7d17
4cd3f60d9bff903a56afc5e1c6c06c73f293af40c60c06453f55f4160d1635ca
SH256 hash:
de83dd82da3ebaa2c09fd75a7307ad5e2031ad8c911cd75753ffef3eb1571f0a
MD5 hash:
8e40252356a6fb3f8f52d1effa2c2c3c
SHA1 hash:
3bf5461b591a53dcb48ea2dc6535cd90aa786c4e
Link:
https://www.unpac.me/results/7e71deb6-f20b-41f9-b675-a7d12d40d1db/
SH256 hash:
210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba
MD5 hash:
13b0dec8a2c9291ec13ca9d0f1a98b33
SHA1 hash:
762c7072179bce1822999dc30c6252262caf6c00
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/7e71deb6-f20b-41f9-b675-a7d12d40d1db/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/210673b54f64/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_david_CSC846
Create hunting rule
Author:David
Description:CSC-846 Golang
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_e8abb835
Create hunting rule
Author:Elastic Security
Rule name:XWorm_3_0_3_1_Detection
Create hunting rule
Author:Archevod
Description:Detects XWorm versions 3.0 and 3.1

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 210673b54f64ba4504b4ffb778b245261ba47ba659bfe14cd66290bf9c0f64ba

(this sample)

anyrun
any.run
https://app.any.run/tasks/5f2f1d23-4c0c-454a-9c25-7884c697628e
  
Dropping
Quasar RAT
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3385032/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

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