MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046
SHA3-384 hash: 2b807ef9630f7c36c6038aace8eb4820698f5ce8ed03417808158762b57db7f0bd99830db126d6b2012f2e8b691e098d
SHA1 hash: b7b50f88553f1d6f70774946c430aee90a3dafa7
MD5 hash: a8e55fde8f076d4265863d6ee8992928
humanhash: idaho-fish-music-moon
File name:rfactura_20250924.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:416'392 bytes
First seen:2025-09-24 17:30:05 UTC
Last seen:2025-09-26 13:48:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (141 x RedLineStealer, 101 x GuLoader, 64 x DiamondFox)
ssdeep 6144:KgORajLHcWJsAzt4OcOju8tb94L/SSE+cKewQsDIZRr+vIiIoTdScN13l2OIFg3:Kg/LIAzCROju8tb94VE+cKe8IZ5+A+I0
TLSH T1C4942313B383C406DAA313711E3A537BAF70682851F65B933774EB59FC22652190FBA9
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
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:blaastakkenes
Issuer:blaastakkenes
Algorithm:sha256WithRSAEncryption
Valid from:2025-08-04T04:40:55Z
Valid to:2026-08-04T04:40:55Z
Serial number: 2629b0615daf7f1876749ea434df749c0fdcc7a8
Thumbprint Algorithm:SHA256
Thumbprint: 5352743d2ef2319006ebdb1bff0becdc5639ae49324fcc606fadacf78e1522d4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
121
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rfactura_20250924.exe
Verdict:
Malicious activity
Analysis date:
2025-09-24 17:35:34 UTC
Tags:
snake keylogger evasion telegram stealer
Link:
https://app.any.run/tasks/5e2b5133-9574-409f-98eb-247e1d136143

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/28866/
Detection(s):
Porcupine.Trojan.Win32.Makoob.gen.434143.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Loader.1575.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d548441e4783989051dff2
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context installer masquerade microsoft_visual_cc obfuscated overlay signed
Link:
https://www.filescan.io/uploads/68d42ad6c564c8e81d07082f/reports/a1098f0f-c74a-4201-9465-b0eb5bb395d7/overview
Verdict:
Malicious
Labled as:
Malware_56.8
Link:
https://www.hybrid-analysis.com/sample/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-24T10:56:00Z UTC
Last seen:
2025-09-24T10:56:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb
Link:
https://opentip.kaspersky.com/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6d924f9b-8534-42e0-a363-db9c8afc2def
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046
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/a8e55fde8f076d4265863d6ee8992928
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 14:00:44 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ecppue6lyn6ugzpuhijbdq3vlbompe7sr6teeb2njnfrvvgwqbda._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Link:
https://tria.ge/reports/250924-v3mfjabl3z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/028f0912-eec9-4946-bd4b-f12e7bd59f10
Unpacked files
SH256 hash:
209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046
MD5 hash:
a8e55fde8f076d4265863d6ee8992928
SHA1 hash:
b7b50f88553f1d6f70774946c430aee90a3dafa7
Link:
https://www.unpac.me/results/942861d0-171e-44d2-b5ce-a9b5bb55c1e7/
SH256 hash:
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
MD5 hash:
48f3e7860e1de2b4e63ec744a5e9582a
SHA1 hash:
420c64d802a637c75a53efc8f748e1aede3d6dc6
Link:
https://www.unpac.me/results/942861d0-171e-44d2-b5ce-a9b5bb55c1e7/
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
Link:
https://www.unpac.me/results/942861d0-171e-44d2-b5ce-a9b5bb55c1e7/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/209efa13cbc3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DriveBy Activity
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
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.

Malspam

GuLoader

Executable exe 209efa13cbc37d4365f43a1211c375585cc793f28fa642074d4b4b1ad4d68046

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28866/

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