MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f961dd15601d82b0e2e076. 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 1 YARA 27 File information Comments 1

SHA256 hash: 9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f961dd15601d82b0e2e076
SHA3-384 hash: 3ee8e4212b4756e5f651c1667e33f3f303c38760f0feb42cd7004f4f5da42e218a200c2c29208329a14f3ef4bd3d5a04
SHA1 hash: 71da49bf6655afdb516124b5ff06decc6ef3d9df
MD5 hash: 3e36e03c34b535ce9a3fd4ae694f56c3
humanhash: mirror-single-early-cup
File name:9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f96.exe
Download: download sample
Signature QuasarRAT
File size:3'266'048 bytes
First seen:2025-06-03 07:20:30 UTC
Last seen:2025-06-03 21:45:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:DviI22SsaNYfdPBldt698dBcjHbGRJ60bR3LoGdITHHB72eh2NT:Dvv22SsaNYfdPBldt6+dBcjHbGRJ6+
Threatray 1'190 similar samples on MalwareBazaar
TLSH T122E56B143BF85E27E1BBE277A5B0041267F0FC1AF363EB0B6581677A1C53B5098426A7
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
46.247.108.161:5135

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
46.247.108.161:5135 https://threatfox.abuse.ch/ioc/1539174/

Intelligence


File Origin
# of uploads :
5
# of downloads :
462
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-06-03 07:20:47 UTC
Tags:
lumma stealer themida amadey botnet loader rat quasar remote stealc evasion github rdp delphi auto-reg pastebin ultravnc rmm-tool telegram vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process from a recently created file
Creating a file
Connection attempt
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer keylogger lolbin obfuscated obfuscated quasarrat rat reconnaissance remote runonce schtasks stealer stealer tiger
Result
Threat name:
AsyncRAT, Quasar
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Status:
Malicious
First seen:
2025-06-03 07:21:52 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:office04 spyware trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
46.247.108.161:5135
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Unpacked files
SH256 hash:
9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f961dd15601d82b0e2e076
MD5 hash:
3e36e03c34b535ce9a3fd4ae694f56c3
SHA1 hash:
71da49bf6655afdb516124b5ff06decc6ef3d9df
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:Diff_QuasarRAT_01
Author:schmidtsz
Description:Identify QuasarRAT samples
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: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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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 9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f961dd15601d82b0e2e076

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
commented on 2025-06-03 07:26:11 UTC

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

{
"sha256": "9fc1d4fb44649a4732c3ec7b8d155e66969305daa9f961dd15601d82b0e2e076",
"yara_possible_family": "quasarrat",
"key": "e55ce6f446c407299f43969a7103d593a6e0d92451df5d6320b9df200c24e839",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"\u5e3f\u2b0d\u0712\ue67c\u6561\u939a\uada5\u4b03\u5090\u0d23\uefd3\u6bcf\u3d84\ufffd\u5015\u4c90\u66e5\uc08f\ud09a\u0261": "1.4.1",
"\uf733\ua2f7\u81fc\u4cd2\ufffd\u5728\u6643\u097f\f\u74b2\u71b3\u4e82\u7ddb\u33ab\ud72c\u448d\u8538\ud2c2\u8485\uc5b3": "46.247.108.161:5135;",
"\u4420\u193f\u7560\u7398\u60c1\uf2c2\ufffd\u326b\ue8bf\u2f39\u74ec\ud050\uc78b\u73ec\u21ec\uf5b9\u3874\ucba3\u3c30\ua74d": 3000,
"\u4623\u65aa\u3097\u8123\uc967\u302f\u8b37\u8755\uf119\u058b\ufffd\u5046\ucf73\u2564\u2232\u9811\u83ca\u7de3\u4897\ub4c3": "APPLICATIONDATA",
"\u0d73\u7341\u7e4e\u5402\u4eb9\ua793\ufffd\u6f8d\u675c\ubcff\ued4f\ub141\u177c\uef33\u0e5f\u0362\ub5cc\ua498\u5678\ud364": "SubDir",
"\ua950\u268d\ua95b\u3647\u1841\u9b92\u9025\u8954\u3e37\u03e8\uc735\u2a93\ufffd\ue706\u0f7d\ufc8c\ud1a3\u27c6\u561e\uf6ca": "Runtime Broker.exe",
"\u343f\u6031\ub0b5\ud47b\u9428\u6c65\u84d8\u05a4\u85ca\ube2b\u3502\u42b4\uc58a\u151d\u26ed\u87c3\u23ae\u4c16\u2ca9\u4bb9": true,
"\uc065\uc67b\u2b03\ua63d\u8712\ub722\uf57e\u9772\u651f\u6315\u5534\ud48d\u0a40\u05e4\u9fd4\u4fd0\u3fce\u02f3\uc286\ud15f": true,
"\u6336\u87a4\u6abd\ue763\u6000\ub13b\u9edb\u8dcd\u16fc\u7d3f\ucd12\ufffd\u4b2f\ufffd\u3c4c\u8a50\u280f\u6f79\u6ad9\u75cf": "2609a15d-fa12-4391-8365-582812cc4aca",
"\uba4f\u5297\u3e0a\u1b01\u2eff\u327a\u5274\u9a67\u8ee9\u6d7c\u7b5d\u66a9\u9e31\u0b27\ucffc\uf189\u1cda\ucefe\ua10b\u4b97": "Runtime Broker",
"\u4e4c\u254c\u1b7e\u78b2\u9b04\ua6af\ubb3b\u34fb\u0f86\u51e7\u71cc\ucfa5\u4afa\u866d\ud64f\u0815\ua31c\u13a8\u60fe\uc97b": false,
"\uf517\u6f4e\u4c43\u1ff7\u9d66\ueb50\ufffd\u5c6d\u5228\u681d\u85ad\u5c4d\u41be\ufffd\u148d\u1d9d\ufffd\ucc8c\u5e9b\ufffd": false,
"\u5238\u3dbc\u6182\u73e0\u9825\uef57\uebea\u0c66\u9a15\u4b64\u9c60\u1fe9\u32c1\u2150\u4299\u63c8\ud01f\u9ff9\u6e68\uc34e": "3DAEA1141D907B74EE9EE0F3D310501F8294E124",
"\u689f\u8f1b\u5788\u80be\u0f98\u6610\u24b1\ua33b\ua4d7\uacd1\uea53\ua439\u39d7\u1e67\ub736\ufffd\u5770\ueee3\ua609\u5d22": "Office04",
"\ufde5\ufbf2\u7184\u5429\u8542\uaf73\u7cce\uc845\u6413\ufb59\u8a4c\uf353\ua913\u4a2e\u98bc\uf0cc\u24fe\u21ef\u939f\u4f08": "Logs",
"\ubc5e\u664f\uada8\u0c59\u2f7b\u7871\u9cf0\u3c8d\u50c1\u6f49\ufffd\u503c\u1853\ua4b9\ufae9\u3d53\u6149\u7c1d\ud2a2\ubb77": "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",
"\uca2b\u8dff\ub1bb\u664f\ub03b\uc3db\u9145\u2e40\ue955\ufffd\u48fb\uc051\ue09a\u946b\u98ff\ubeee\u32ac\ud0d2\uf751\u8fb5": "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",
"\u7a75\ubb2b\u4378\u90cb\u2ff0\u225e\u9ac0\u496c\u87f5\u991f\uf8e4\uca08\u2ae5\u4e1f\u953d\ub9ac\ub909\u6d9e\u67f3\uc0f0": false,
"\ua6e5\ucaaa\u5172\ue65f\u5381\ucc33\u3bfe\ue20c\ue2dc\u6ceb\u6d55\u8195\ud5cd\ud37f\uc5fe\ua41a\u1e3e\u20a3\u89e5\uc2bb": false,
"\uc621\u2ec2\u23cb\ud592\ua8cb\u625b\ud621\u05c4\ub31f\u0eb8\u923b\u1918\u59a8\ue9ec\uadb6\u6401\ue43f\u49e1\ube28\u1c22": "",
"\u9186\uce67\u2b48\u913b\uedfc\u110c\uee51\ufffd\uaa11\ua474\u6f47\u351d\uabbc\ufffd\u1ad6\uae02\u9168\ufc05\u2599\ub845": "",
"\u1889\u1dc0\uf32c\uf77d\u26d0\u579d\u6daa\u358c\u6ff9\ub976\ube34\u0a0c\u3ad4\u9094\ud6bc\u203e\u3565\u7c0a\u2317\u81e4": true
}
}