MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115. 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: 16


Intelligence 16 IOCs 1 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
SHA3-384 hash: 4f1494e6b6246b0f447c04b7ae54d084c5515d4fff9c26a085fbacdaf8dba0030f1628a856dad0aac108d465ebcf2ed5
SHA1 hash: 738a018c2c738e93ffa6dce3932ee994aa7b11e3
MD5 hash: 1878733d5f2872169c33653a1ac9b623
humanhash: oklahoma-washington-beryllium-oranges
File name:1878733d5f2872169c33653a1ac9b623.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'083'136 bytes
First seen:2024-06-28 14:50:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ee5dad6b5daef6d04e5c179d91c92059 (1 x QuasarRAT)
ssdeep 98304:EQfNOLY2uXHEvr22SsaNYfdPBldt6+dBcjHtKRJ6BJIbzZ3IbzZY:eQHSM7jGImWK
Threatray 709 similar samples on MalwareBazaar
TLSH T169369E0037F8CEFAD1A6A27299B11161ABF0D80A6763DB47399CABBD5F53740481136F
TrID 32.0% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
23.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
17.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.8% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon d6c6c4d2cceca8d2 (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
114.116.244.244:4495

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
114.116.244.244:4495 https://threatfox.abuse.ch/ioc/1290400/

Intelligence

File Origin
# of uploads :
1
# of downloads :
418
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

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

Win.Malware.Generic-6623004-0
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=667ece1017db6c2841b215a2win10vpnfull_triage
Tags:
Execution Generic Network Static Stealth Trojan Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
DNS request
Connection attempt
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
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:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d03cfe1-507f-475b-9207-f5ffb8124901
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464263
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Quasar
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464263 Sample: QUjE2KgAq6.exe Startdate: 28/06/2024 Architecture: WINDOWS Score: 100 39 mx5.deitie.asia 2->39 41 ipwho.is 2->41 43 apis.deitie.asia 2->43 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 14 other signatures 2->57 10 QUjE2KgAq6.exe 2 1 2->10         started        15 Client.exe 3 2->15         started        17 sign.exe 2 2->17         started        signatures3 process4 dnsIp5 49 apis.deitie.asia 62.234.45.248, 49731, 49741, 49742 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 10->49 37 C:\Users\user\AppData\Roaming\...\sign.exe, PE32 10->37 dropped 69 Drops PE files to the startup folder 10->69 19 sign.exe 5 10->19         started        file6 signatures7 process8 file9 35 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 19->35 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->59 23 Client.exe 14 2 19->23         started        27 schtasks.exe 1 19->27         started        signatures10 process11 dnsIp12 45 mx5.deitie.asia 114.116.244.244, 4495, 49732 HWCSNETHuaweiCloudServicedatacenterCN China 23->45 47 ipwho.is 195.201.57.90, 443, 49734 HETZNER-ASDE Germany 23->47 61 Antivirus detection for dropped file 23->61 63 Multi AV Scanner detection for dropped file 23->63 65 Machine Learning detection for dropped file 23->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->67 29 schtasks.exe 1 23->29         started        31 conhost.exe 27->31         started        signatures13 process14 process15 33 conhost.exe 29->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2024-06-25 14:00:00 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ga3ljhc6doazx3q4fwbry2gnzbwvlqlxfxptn64etd7egiwoekq._file
Verdict:
malicious
Similar samples:
1fea532c75a33209f094f835261b4f579613a7b2ece7f046a11309d34537f8d5
QuasarRAT
a2b66f9f80d2add5e7b13f9e75b6c964e53d7aa2e52065b469b83f7e7c31fa7c
QuasarRAT
ae8c4f72c13b4103e0e977bbf2939a4b97860d1c279994d1b0bd27e00cbf8c2f
QuasarRAT
c284505447b8529fdd468e13f149582f5083cf442733bfb7bdebf66d38476f20
QuasarRAT
db991cc74187143266c8233db17eee6449754fb5f3f1ccff562ea3f3471729d8
QuasarRAT
e1fb148206beb7168a5f92581a51ea32a03d841abf00aff221f35ed03197a59d
QuasarRAT
+ 699 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/240628-r75wwsvdja/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
mx5.deitie.asia:4495
Unpacked files
SH256 hash:
44089202623b9671051aa5bba5e72f81f68ce818c3054dde57726aaa6dcb9ff7
MD5 hash:
7498d554976744dfbd271ba755c6c192
SHA1 hash:
ec733d01e776518e387d2f51d1a6559b81f03b1e
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Link:
https://www.unpac.me/results/2cd5868e-005c-4647-85ba-158487e93118/
SH256 hash:
f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115
MD5 hash:
1878733d5f2872169c33653a1ac9b623
SHA1 hash:
738a018c2c738e93ffa6dce3932ee994aa7b11e3
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Link:
https://www.unpac.me/results/2cd5868e-005c-4647-85ba-158487e93118/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f181b5a4e2f0/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/f181b5a4e2f0dc0cdf70e16c18e3466e436aae0bb96ef9b7dc24c7f219167115

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Diff_QuasarRAT_01
Create hunting rule
Author:schmidtsz
Description:Identify QuasarRAT samples
Rule name:Hacktools_CN_Panda_andrew
Create hunting rule
Author:Florian Roth
Description:Disclosed hacktool set - file andrew.exe - sethc.exe Debugger backdoor
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Windows_Generic_Threat_3f060b9c
Create hunting rule
Author:Elastic Security
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security

File information

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

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play MultimediaWINMM.dll::midiOutPrepareHeader
WINMM.dll::midiOutReset
WINMM.dll::midiOutUnprepareHeader
WINMM.dll::midiStreamClose
WINMM.dll::midiStreamOpen
WINMM.dll::midiStreamOut
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WinExec
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::FindFirstFileA
KERNEL32.dll::GetTempPathA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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