MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af. 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: 18


Intelligence 18 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af
SHA3-384 hash: 08d9932bfcce0ac6069186bdadec013c5a5e41e085b01d730d6c9993b8c45e7f107fd0604a0080bb1dfed0f8a883397a
SHA1 hash: b62fe5009101940ed28cc1167b2baeb418938cc6
MD5 hash: be87988d10070a2a95aa02f5cdab0aab
humanhash: april-paris-may-pizza
File name:be87988d10070a2a95aa02f5cdab0aab.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'574'605 bytes
First seen:2024-08-05 18:20:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:UbA30vMJT4D/NPNOUY389Nv7Meox7eQeblMR:UbqTwRkUYIvloxCQulMR
Threatray 769 similar samples on MalwareBazaar
TLSH T1C27512007AD584B2E6B22A311A7956206D3F7C205F38CA6F53DC9D5D9BBB0C0E634B67
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
87.89.82.13:1337

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
87.89.82.13:1337 https://threatfox.abuse.ch/ioc/1307375/

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
be87988d10070a2a95aa02f5cdab0aab.exe
Verdict:
Malicious activity
Analysis date:
2024-08-05 18:21:09 UTC
Tags:
rat asyncrat remote quasar evasion
Link:
https://app.any.run/tasks/19bfea39-f584-44b0-ab44-587bfc54bd2a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b11815037b02d0daedca11
Tags:
Encryption Execution Generic Network Static Stealth Trojan Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a file
DNS request
Setting a keyboard event handler
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint installer lolbin microsoft_visual_cc overlay packed setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/66b1181199ea8891b1915177/reports/be498497-51cf-46a4-b5bc-d6a7c98e3b77/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af
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/18862736-f201-4df2-a8cb-436dd1e83492
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1488292
Signature
AI detected suspicious sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1488292 Sample: xmDUcxqlkb.exe Startdate: 05/08/2024 Architecture: WINDOWS Score: 100 47 namz.read-books.org 2->47 49 ipwho.is 2->49 51 206.23.85.13.in-addr.arpa 2->51 67 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 6 other signatures 2->73 11 xmDUcxqlkb.exe 3 8 2->11         started        14 WindowsUpdate.exe 3 2->14         started        signatures3 process4 file5 41 C:\Users\user\...\Client-built2.sfx.exe, PE32 11->41 dropped 43 C:\Users\user\AppData\Roaming\start.vbs, ASCII 11->43 dropped 16 wscript.exe 1 11->16         started        19 schtasks.exe 1 11->19         started        process6 signatures7 57 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->57 21 Client-built2.sfx.exe 7 16->21         started        25 conhost.exe 19->25         started        process8 file9 39 C:\Users\user\AppData\...\Client-built.exe, PE32 21->39 dropped 75 Multi AV Scanner detection for dropped file 21->75 77 Machine Learning detection for dropped file 21->77 27 Client-built.exe 5 21->27         started        signatures10 process11 file12 45 C:\Users\user\AppData\...\WindowsUpdate.exe, PE32 27->45 dropped 79 Antivirus detection for dropped file 27->79 81 Multi AV Scanner detection for dropped file 27->81 83 Machine Learning detection for dropped file 27->83 85 2 other signatures 27->85 31 WindowsUpdate.exe 14 2 27->31         started        35 schtasks.exe 1 27->35         started        signatures13 process14 dnsIp15 53 namz.read-books.org 87.89.82.13, 1337, 49730 BOUYGTEL-ISPFR France 31->53 55 ipwho.is 195.201.57.90, 443, 49732 HETZNER-ASDE Germany 31->55 59 Antivirus detection for dropped file 31->59 61 Multi AV Scanner detection for dropped file 31->61 63 Machine Learning detection for dropped file 31->63 65 2 other signatures 31->65 37 conhost.exe 35->37         started        signatures16 process17
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af/
Threat name:
Win32.Trojan.Vindor
Create hunting rule
Status:
Malicious
First seen:
2024-08-04 18:18:35 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mt2r46yttk246wbjginh5ihhzsfk2bhr5qoyoi2f5ybj4z452kxq._file
Verdict:
malicious
Similar samples:
17abf2eb5bfc5f1be41bbba2e0b1cb59787e3879d152bf6ff9b4d91702a402c4
QuasarRAT
30c381a042e571d4d749f7aff6e1b17d77100ad35368c9a67136c1b5436c79cb
QuasarRAT
6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf
QuasarRAT
eb8ac22cb3171099ce9f453185e1c66484a4bddbf612d463365c4bc7c66d73c5
QuasarRAT
f72153dbb753423e630840ed3674c6a0ce27b4ff5d1790a5bbb6d5707f9ed41e
QuasarRAT
f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba
QuasarRAT
+ 759 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:trumpus discovery spyware trojan
Link:
https://tria.ge/reports/240805-wzbejaxgpb/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
namz.read-books.org:1337
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b9b3bc98-5c26-491e-85ea-771b2939562d
Unpacked files
SH256 hash:
aeadccd6f1224021e67541bb7f9b1401f6f8d7921be94407f23e9a982ec8967b
MD5 hash:
4c21e138634247ad0b04f9f267e4e472
SHA1 hash:
b42717e1e2a341763ab37a1473941255407d0a51
Detections:
QuasarRAT
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
win_quasarrat_j2
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
Link:
https://www.unpac.me/results/4d2c022b-22cd-44bb-ac9b-f6fa341b8005/
SH256 hash:
64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af
MD5 hash:
be87988d10070a2a95aa02f5cdab0aab
SHA1 hash:
b62fe5009101940ed28cc1167b2baeb418938cc6
Link:
https://www.unpac.me/results/4d2c022b-22cd-44bb-ac9b-f6fa341b8005/
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/64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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

File information

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

Web download

QuasarRAT

Executable exe 64f51e7b139ab5cf5829321a7ea0e7cc8aad04f1ec1d872345ee029e679dd2af

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3090897/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3090909/
  
URLhaus
https://urlhaus.abuse.ch/url/3091068/
  
URLhaus
https://urlhaus.abuse.ch/url/3091069/

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 (HIGH_ENTROPY_VA)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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