🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63. 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


GuLoader


Vendor detections: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63
SHA3-384 hash: e8648ba24b70170f5d495cf056d1dba4c9f65e170a0edbe323e9416fa34191316fbb1af747952ded1d0088593b2c65f5
SHA1 hash: 7f46e8032233f62db6305fdcca724d822148c4e7
MD5 hash: bfce28f25954ddd39a295e3fd3c3f235
humanhash: burger-monkey-beer-sad
File name:img20260107_10522882_PDF.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:730'008 bytes
First seen:2026-01-12 08:13:42 UTC
Last seen:2026-01-19 15:05:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (310 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 12288:jFcyz8jtPgbkLX2pEcBFIikrgXGKXMZcJ1US2GDCO3xJVQYEzHi8LjlHuP:jF4ZPg4X2qcdpGK8ZcXGOhJV2zHzL90
Threatray 2'436 similar samples on MalwareBazaar
TLSH T1C7F423167A94C8B3E5BD47329F7F59B29E77CB8086242F5B13808BCE7CA1A54307E905
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Drummy
Issuer:Drummy
Algorithm:sha256WithRSAEncryption
Valid from:2025-11-26T00:46:08Z
Valid to:2026-11-26T00:46:08Z
Serial number: 3d9db50da8943d6570076036f635ff6e1736b047
Thumbprint Algorithm:SHA256
Thumbprint: 7f799a2a535b0923bcc56c91ae2d78c998c5b0c2e535153b176ecd9e86e5dfff
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
174
Origin country :
PL PL
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/84ebbac9-9b76-415f-b0e3-0a4ebc4713bc/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63.exe
Verdict:
Malicious activity
Analysis date:
2026-01-12 08:17:00 UTC
Tags:
remcos rat auto-reg
Link:
https://app.any.run/tasks/02818e71-49c8-409b-bd4c-d67ef6d72286

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48581/
Detection(s):
SecuriteInfo.com.BackDoor.Siggen2.2488.26461.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6964ad66a3ed2a87ae3e7b33
Tags:
injection obfusc
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Delayed reading of the file
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic masquerade microsoft_visual_cc nsis overlay signed similar-threat soft-404
Link:
https://www.filescan.io/uploads/6964ad6230368802bb8150c4/reports/31c91922-ff0a-40da-8a31-e481b162c99b/overview
Verdict:
Malicious
Labled as:
Guloader.FGDE
Link:
https://www.hybrid-analysis.com/sample/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-11T22:34:00Z UTC
Last seen:
2026-01-14T05:28:00Z UTC
Hits:
~1000
Detections:
Trojan-Dropper.Win32.Injector.sb Trojan-Downloader.Win32.Minix.sb Trojan.NSIS.Makoob.sbe Backdoor.Win32.Remcos.sb Trojan.Win32.GuLoader.sb HEUR:Trojan.Win32.GuLoader.gen Trojan.NSIS.Makoob.sba VHO:Backdoor.Win32.Remcos.gen PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/133c9f60-ee97-4cad-b649-9f884bf714a2
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/bfce28f25954ddd39a295e3fd3c3f235
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2026-01-12 03:23:28 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7imr5gz5vsxelibwyxryshhplpvedox3ypw7miluppcsuxhor5rq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
2be5b104a63deb6addd9d49ffea10cfbefc8c214c2578f4554b6272ca3856899
GuLoader
4d69e1c88a9ca803fd7f02395dc2f3a737c32a13fe6ee801cb908fb075cd0e86
GuLoader
551863be2e92aa2d319a92cda72bc2123233ee3a7e965ee691fd70d88c21d772
GuLoader
5dfcdc1c491fbf2f7f2fbac6bbf27b84be652583b66b252c46e8ed86577c3c60
GuLoader
67fd31f9b85ca5e31e0851c8a5f8f2f36343d884aa3dd7f26d4aa6c5d02b28fe
GuLoader
71af76a68f5c3d9ca797c01373736b9d977234d30a767041c6886158be16c6a1
GuLoader
a509d90eaa00df8640c180439726fc0ed487dc30d236e19d1fc1514782e23671
GuLoader
b5d44eb79bb60df60b30f4157e958cb1a84c6ed93f2fb3767e96c573c27092e4
GuLoader
dd6d8363c2761f77948a54be192dbbe563d2da9dd8f922102547631ccbd05ebb
GuLoader
error
GuLoader
f273a1e122ed786626aa22fa45941da4f179fb7acc15a268749799f5137fa5c4
GuLoader
+ 2'426 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader installer persistence rat
Link:
https://tria.ge/reports/260112-j47bjsay4b/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
107.173.47.136:2404
Verdict:
Suspicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/a26684d6-3877-485d-bd7b-5a973fb90213
Unpacked files
SH256 hash:
fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63
MD5 hash:
bfce28f25954ddd39a295e3fd3c3f235
SHA1 hash:
7f46e8032233f62db6305fdcca724d822148c4e7
Link:
https://www.unpac.me/results/f46026f4-1566-4f17-b49f-1a0e9982c5cf/
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/f46026f4-1566-4f17-b49f-1a0e9982c5cf/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fa191e9b3dac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.72
Link:
https://yomi.yoroi.company/submissions/fa191e9b3dacae45a036c5e3891cef5bea41bafbc3edf621747bc52a5cee8f63

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_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/48581/

Comments