MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740. 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 YARA 24 File information Comments 1

SHA256 hash: cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740
SHA3-384 hash: 047eea2e38a15668a0fe734c1428911d5ae9e403d2b87facfbedb733f74799ebfb79d74ecdd27fc79fa98dee5f286a03
SHA1 hash: 9d42cce564dcfa27b2c99450f54ba36d4b6eecaf
MD5 hash: 2fcfe990de818ff742c6723b8c6e0d33
humanhash: freddie-friend-oven-don
File name:SGVP Client Users.exe
Download: download sample
Signature QuasarRAT
File size:3'266'048 bytes
First seen:2025-01-06 11:40:55 UTC
Last seen:2025-02-04 05:41:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'039 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 49152:PvXz92YpaQI6oPZlhP3Reybewoklwuv1JHloGGWTHHB72eh2NT:PvD92YpaQI6oPZlhP3YybewoklwuV
Threatray 1'037 similar samples on MalwareBazaar
TLSH T139E55A1437F85E62E16AD773EAF0501663F0F82AF363EB0B6191677E1D53B4058026AB
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:exe QuasarRAT

Intelligence


File Origin
# of uploads :
4
# of downloads :
346
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
systembc
ID:
1
File name:
New Text Document.exe
Verdict:
Malicious activity
Analysis date:
2024-11-28 22:21:43 UTC
Tags:
lumma stealer botnet systembc proxy loader hausbomber opendir github dcrat cryptbot evasion arch-doc rat asyncrat remote discord exfiltration themida

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq crypto expand explorer infostealer keylogger lolbin obfuscated quasar quasarrat rat remote runonce schtasks stealer stealer
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1584744 Sample: SGVP Client Users.exe Startdate: 06/01/2025 Architecture: WINDOWS Score: 100 70 Ai-Sgvp-33452.portmap.host 2->70 72 171.39.242.20.in-addr.arpa 2->72 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for dropped file 2->82 84 10 other signatures 2->84 11 SGVP Client Users.exe 5 2->11         started        15 User Application Data.exe 3 2->15         started        signatures3 process4 file5 60 C:\Users\user\...\User Application Data.exe, PE32 11->60 dropped 62 C:\Users\user\...\SGVP Client Users.exe.log, CSV 11->62 dropped 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->96 17 User Application Data.exe 4 11->17         started        22 schtasks.exe 1 11->22         started        signatures6 process7 dnsIp8 66 150.129.206.176, 4782, 49772, 58279 GTPL-AS-APGujaratTelelinkPvtLtdIN India 17->66 68 192.168.1.9, 4782, 49704, 58278 unknown unknown 17->68 58 C:\Users\user\AppData\...\yUMHSvGZw6iz.bat, DOS 17->58 dropped 86 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->86 88 Installs a global keyboard hook 17->88 24 cmd.exe 1 17->24         started        27 schtasks.exe 1 17->27         started        29 conhost.exe 22->29         started        file9 signatures10 process11 signatures12 90 Uses ping.exe to sleep 24->90 92 Uses ping.exe to check the status of other devices and networks 24->92 31 User Application Data.exe 4 24->31         started        35 conhost.exe 24->35         started        37 PING.EXE 1 24->37         started        39 chcp.com 1 24->39         started        41 conhost.exe 27->41         started        process13 file14 64 C:\Users\user\AppData\...\dp7PLNifM0XK.bat, DOS 31->64 dropped 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 31->74 76 Installs a global keyboard hook 31->76 43 cmd.exe 1 31->43         started        46 schtasks.exe 1 31->46         started        signatures15 process16 signatures17 94 Uses ping.exe to sleep 43->94 48 conhost.exe 43->48         started        50 chcp.com 1 43->50         started        52 PING.EXE 1 43->52         started        54 User Application Data.exe 43->54         started        56 conhost.exe 46->56         started        process18
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2024-11-22 17:14:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:sgvp discovery spyware trojan
Behaviour
Runs ping.exe
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 Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
192.168.1.9:4782
150.129.206.176:4782
Ai-Sgvp-33452.portmap.host:33452
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:
cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740
MD5 hash:
2fcfe990de818ff742c6723b8c6e0d33
SHA1 hash:
9d42cce564dcfa27b2c99450f54ba36d4b6eecaf
Detections:
QuasarRAT
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
Description:Detects QuasarRAT malware
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_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: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 cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740

(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



Avatar
commented on 2025-01-06 11:46:01 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "cb731802d3cd29da2c01ffbb8c8ed4ef7de9d91c133b69b974583bede6bfd740",
"yara_possible_family": "quasarrat",
"key": "9dd3b7e8d1b7ad4dff7eaf000749cacc654fbd885426f47ad8fb5b710ea8e668",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"\u8446\u95c9\uebbe\u2f04\u7adf\ua511\u9a69\uc8b9\ueb79\u2d2d\u3349\u650a\u9211\uf997\u91ba\u999d\u1222\uc2fd\ue5e8\ud4ae": "1.4.1",
"\u6795\u0f86\uae40\u4671\ufffd\u8903\u7eb5\u583e\u3433\ue949\u07a3\uc5ab\ub629\u09ce\u7227\u6737\uf033\u5670\u496f\u44f9": "192.168.1.9:4782;150.129.206.176:4782;Ai-Sgvp-33452.portmap.host:33452;",
"\uae5a\u3c0a\u35f3\uacc9\u9d75\u337f\u6467\u68c3\u5538\ucdb6\u5478\uc07e\u58d5\u149b\ub424\uff10\u8e81\u0203\u3525\u85f3": 3000,
"\u7fef\u7d18\ud27a\u6268\uabfe\ub179\u1371\u44d3\ueabf\u78d5\ud2a2\u5365\u77b0\u83e7\u2a5c\uc13c\u3253\ufea6\ua32d\u9532": "APPLICATIONDATA",
"\u0aae\u93b5\u1839\uc461\u4fe9\ua358\uf23e\u3325\u8607\u4ab6\u06dae\ub1e8\u284b\u9407\ufffd\u8703\u1a11\u94a3\u7a19": "Quasar",
"\u40e9\u8dc6\u3a62\uce47\u41a5\ud6ea\ub5f9\u1aad\u449d\ub115\u2db6\uc1dd\ub678\u06bb\u6bbc\u0abe\ub381\ue039\uf475\uefe5": "User Application Data.exe",
"\u0ed4\uc4b4\u4d4c\u6587\u6f04\u59b8\u4dc0\u9450\u5a6d\u852f\ue321\uf291\u4b45\u58df\uc797\u9a2a\u391f\u2c46\u8f73\uec65": true,
"\u71bb\ueaf8\u3bad\u6463\u4fc9\uf9d9\u544d\u1b17\u792e\u0d42\ufffd\u27f0\uf145\uedb4\ue17d\u1947\u67ac\ubc71\u675a\ua0b4": true,
"\ua41b\u7deb\u4c0a\u6809\u5e07\ud27a\uf29d\u52ea\u70f8\uef04\u6873\u1ccc\uc2e1\ub037\ufffd\uaada\ube2e\u6977\ub978\u00f5": "a35ec7b7-5a95-4207-8f25-7af0a7847fa5",
"\ud57f\u24ea\u89d4\u4cec\uf6c0\ued05\ufffd\u7357\u73f7\u5b1b\u5e97\uce40\u1aa1\u8d9f\u8aa6\u9d63\u5f24\u815a\uafcc\u90f8": "Windowns Client Startup",
"\ua116\u13df\u7bd2\u5147\u70f7\u56a3\ua10b\ufe3c\u76a8\u6be5\u43c7\uec7b\u4f4a\u269b\u78eb\u1f95\u1609\ua935\u868a\u42b6": true,
"\u984d\u9ec7\u742d\u89fc\u5121\u531f\ua05d\uc8f0\ub366\u6170\u98ee\u4db0\u7a7d\ue1a0\ub05d\uceb5\ud179\u6928\u619b\u6507": true,
"\ua20c\u82bd\ubc3d\u60db\u7a8e\ue444\ube24\ufffd\ua1ee\u60c4\ub561\u16aa\u6a77\u9578\u34ff\u7ca5\u2a5f\u3e49\u0555\ub463": "09BBDA8FF0524296F02F8F81158F33C0AA74D487",
"\u77ff\u8b1f\u85ce\u5466\ue13f\uc608\ud779\u9bb1\u5c69\ue369\uc61c\u42dd\ufbde\u692b\u97ce\u105e\ub4ad\ufcac\u25ae\u4106": "SGVP",
"\u3dc8\ub7f8\u090a\u5c51\ue372\uc96d\u7eff\u58c9\u639e\uc406\ufffd\uc2ce\u70bf\u43db\u299b\u624a\u797e\ue369\u4dee\ua26d": "Logs",
"\u3a8f\u6d0e\u152b\u437a\ue912\u407d\u8a7a\u4c2f\u8347\u26df\ubfbe\u2584\ufffd\uaca0\u3d6e\ufffd\ufffd\ua8bc\u5dbb\u7fa8": "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",
"\u33ff\u5374\ub714\u836a\uaaf1\u7da2\u9a21\u3781\u47bd\u1016\u0fdc\u1d38\u9990\u3550\u4b03\u99ac\u5dde\u4b77\u9e78\u921c": "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",
"\u0766\u249a\u7767\ue1c2\u913b\u8b12\u02db\u7052\ueff0\u7bc3\u90a7\u97b0\u4a08\uc48e\ua6d0\u99ad\uae86\uab1f\ua6a9\ud221": true,
"\uf4ad\u8080\u555f\u79f0\u1b5b\u7bf3\u87fa\u0196\u988d\u6116\ub766\ub451\u3966\uf970\u3474\u55f2\u09c4\u6414\u2139\ua920": true,
"\u687a\u9384\ubaea\u9fd1\u338e\ubcb3\u8003\u7a4b\ub4d3\u79db\u117d\uee3f\ub63f\u9d49\u81fc\uba8a\u217d\uce6e\u2429\u9f6e": "",
"\uad4a\u6b92\u8f78\u8ee1\u303c\u8d51\u229f\ud263\u9363\u1ba1\uaaab\u4e6c\ufefc\uf32f\uf979\uc01f\u86b4\u4fc9\u29a4\uc049": "",
"\ue64a\u5e31\u6767\u9c0c\uf460\u338c\uccb1\u0e89\uebb0\uf104\u1ad5\ub79e\u3fd3\u31e9\u9b6a\u80c3\u84a0\u1664\ud404\u0dee": true
}
}