MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 129dbf173e38d9d37f8c66513290a30bc0790e9fdcdb5c9043a399ee6c889493. 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 25 File information Comments

SHA256 hash: 129dbf173e38d9d37f8c66513290a30bc0790e9fdcdb5c9043a399ee6c889493
SHA3-384 hash: 9cc40195c01c9b3bdf8a4dc99b7762e7116b1351b4a65c24edfaae41fdc726101756037084c58e72c116c275de162d38
SHA1 hash: bc4e4fd8cb12e302301fa39fdbbb0f48d914fb85
MD5 hash: 42994901f5bc8b43588bb54889f1db81
humanhash: comet-solar-twenty-lactose
File name:exacag.exe
Download: download sample
Signature QuasarRAT
File size:3'266'048 bytes
First seen:2025-02-04 05:50:17 UTC
Last seen:2025-02-05 11:46:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:7vNG42pda6D+/PjlLOlg6yQipVtoS71JZ3oGdpTHHB72eh2NT:7vk42pda6D+/PjlLOlZyQipVtoSp
Threatray 1'064 similar samples on MalwareBazaar
TLSH T10AE54A1437F85E23E1BBE273D5B0041267F1EC2AB3A3FB5B6181677A1C53B505841AAB
TrID 40.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
31.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
9.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.7% (.EXE) Win64 Executable (generic) (10522/11/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter lontze7
Tags:13-48-129-198 exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
442
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
exacag.exe
Verdict:
Malicious activity
Analysis date:
2025-02-04 05:55:58 UTC
Tags:
quasar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
infosteal quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq expand explorer infostealer keylogger lolbin obfuscated obfuscated obfuscated quasarrat rat remote runonce schtasks stealer stealer
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Potentially Suspicious Malware Callback Communication
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-02-04 05:51:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:sigorta spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
0.0.0.0:7777
13.48.129.198:7777
172.31.0.240:7777
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
malware_windows_quasarrat win_quasar_rat_client MAL_QuasarRAT_May19_1 MALWARE_Win_Quasarstealer
Unpacked files
SH256 hash:
129dbf173e38d9d37f8c66513290a30bc0790e9fdcdb5c9043a399ee6c889493
MD5 hash:
42994901f5bc8b43588bb54889f1db81
SHA1 hash:
bc4e4fd8cb12e302301fa39fdbbb0f48d914fb85
Detections:
QuasarRAT
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
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
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
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
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:quasarrat
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RC6_Constants
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_803feff4
Author:Elastic Security
Rule name:win_quasar_rat_client
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information


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

Web download

QuasarRAT

Executable exe 129dbf173e38d9d37f8c66513290a30bc0790e9fdcdb5c9043a399ee6c889493

(this sample)

  
Delivery method
Distributed via web download

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

Comments