MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a8c219afd3d9e171dc1515b32185bad9172bbcdaf15a6a7502458b6e7553ff5. 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: 17


Intelligence 17 IOCs YARA 32 File information Comments

SHA256 hash: 2a8c219afd3d9e171dc1515b32185bad9172bbcdaf15a6a7502458b6e7553ff5
SHA3-384 hash: 57d370621bf95b01f8e3f23547f629db048d9b1fb79abe1f750de53faabf364ce9a6c78e246b05a86a5752216da24732
SHA1 hash: 94e8062fdbeba343f328ef8d155c274a69fec39e
MD5 hash: 387b657fab27ddabb59998479ce069db
humanhash: glucose-artist-cup-twelve
File name:2a8c219afd3d9e171dc1515b32185bad9172bbcdaf15a6a7502458b6e7553ff5
Download: download sample
Signature QuasarRAT
File size:1'085'952 bytes
First seen:2024-10-10 17:14:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1snj1ynkc1ZzBvtrZHFjMKY2aVTYTTu2NQ1fOHGeelg367PAt69Ubp:1aynkc1ZzBvtrZHFjMKY2j0eelOt6Mp
TLSH T169352914EBF855A5F06E7F36747198050B38BE03653DD74B2B96A1980E2A390CCB2F67
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 JAMESWT_WT
Tags:24-152-39-227 exe QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
392
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2a8c219afd3d9e171dc1515b32185bad9172bbcdaf15a6a7502458b6e7553ff5
Verdict:
Malicious activity
Analysis date:
2024-10-10 06:02:37 UTC
Tags:
evasion rat quasar remote crypto-regex

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Autorun Quasar
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:
Clipboard Hijacker, Quasar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Clipboard Hijacker
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Quasar RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.ClipBanker
Status:
Malicious
First seen:
2024-10-10 09:10:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
venomrat
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:hunit discovery spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
24.152.39.227:4782
Verdict:
Malicious
Tags:
red_team_tool trojan downloader rat quasar_rat
YARA:
RDPWrap MAL_NET_LimeCrypter_RunPE_Jan24 MALWARE_Win_DLAgent10 malware_windows_quasarrat malware_Quasar_strings MALWARE_Win_QuasarRAT JPCERTCC_Quasar MAL_QuasarRAT_May19_1
Unpacked files
SH256 hash:
542be6a092437c47aec4c046bf4636f9a3153954b0384141b8cc2922d68a38b5
MD5 hash:
bfb7da75069724d5ec80b44bc2e46d9f
SHA1 hash:
fe757e6a079f7be6efa5d15df7260792560f6576
SH256 hash:
866c468f227e0ee2c3614cf97e74ebacf79fecb24845210488d13a42824cf50d
MD5 hash:
b064ffbd0835d50b00ebe34660832ecf
SHA1 hash:
bf5b5bba369127ccc6d740f27e40b2c67b5cf8bd
SH256 hash:
3db2b0c012e3e770548b36eb84ea2278f34dfda82a269fc30f38e743b33855e3
MD5 hash:
ef33c4c8efc8c1b355ad64e12b010070
SHA1 hash:
ac30158d8bd81ec0b728a299c9e72789b4f33f31
SH256 hash:
3a96d9a797a3b6b3ea0d8264ed1078508df9557e2f453217d52a75907f9b9465
MD5 hash:
547ebc92cac936d8c3459d2765948f4a
SHA1 hash:
09c143d609b65b19a97289ca7645df2a0bc39c83
SH256 hash:
2a8c219afd3d9e171dc1515b32185bad9172bbcdaf15a6a7502458b6e7553ff5
MD5 hash:
387b657fab27ddabb59998479ce069db
SHA1 hash:
94e8062fdbeba343f328ef8d155c274a69fec39e
Detections:
RDPWrap QuasarRAT malware_windows_xrat_quasarrat RDPWrap SUSP_NET_Msil_Suspicious_Use_StrReverse INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender cn_utf8_windows_terminal MAL_NET_LimeCrypter_RunPE_Jan24 MALWARE_Win_DLAgent09 INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Quasar MAL_QuasarRAT_May19_1 INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD MALWARE_Win_QuasarRAT INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM MALWARE_Win_DLAgent10
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:Detect_Malicious_VBScript_Base64
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_DLAgent09
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_DLAgent10
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
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:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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:Quasar
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments