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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5
SHA3-384 hash: 25db1e1b46d5fcc580ed4e8dd8c717a07e49f178698aa8d7db3d14edf92db7e69d015f258970c1da94d059a2e4c7d766
SHA1 hash: afc46a668c94425e8d12891a999d866c449b450e
MD5 hash: 719d0758e3ffbb60d21912cf7a617d01
humanhash: muppet-yellow-chicken-bluebird
File name:RE#251215Swift-EW7665-MI98000-VYR555-CE34896-LO09776-BT6657-CR4554-98775-MI765448.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:464'560 bytes
First seen:2025-12-15 08:20:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 744 x AgentTesla, 441 x GuLoader)
ssdeep 12288:rYkl3fa3BdGQrs7qtVtC3plAuBAT8qyXowJ:rY4faUGtV8ZlAJY5
TLSH T117A423029290C0D7D5E79DB4397A84B96BF3DC174558A21F2710A34D7EBA302E6CF36A
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 f4f8ccb4b0f0b48c (1 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Charmetroldens
Issuer:Charmetroldens
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-06T08:52:30Z
Valid to:2026-12-06T08:52:30Z
Serial number: 3a1bb62ca8f486176d5b355cb1e28da886d59ae3
Thumbprint Algorithm:SHA256
Thumbprint: 1f979978e056f6a501b9d4ecdadc529f88abff6816438c1fab667ffdea89cd9f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
PL PL
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/5e92378f-aea3-4909-a0f3-b33c7d71511a/
Malware family:
guloader
Create hunting rule
ID:
1
File name:
RE#251215Swift-EW7665-MI98000-VYR555-CE34896-LO09776-BT6657-CR4554-98775-MI765448.exe
Verdict:
Malicious activity
Analysis date:
2025-12-15 08:21:05 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/fb1fb3a1-57c7-4ff7-8b6b-05bc4dbc5170

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/44696/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693fc500039c1dfc733960d2
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer installer installer-heuristic microsoft_visual_cc nsis overlay packed signed
Link:
https://www.filescan.io/uploads/693fc4fc1eac7b9b76aa8cd1/reports/1cf66269-c529-4138-b52f-88488c8ed75a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-15T04:04:00Z UTC
Last seen:
2025-12-17T02:48:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.PureLogs.TCP.C&C Trojan.Makoob.HTTP.C&C Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb HEUR:Trojan.Win32.GuLoader.gen
Link:
https://opentip.kaspersky.com/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f4f3bd33-ca5b-4168-9b75-459278d40d42
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5/
Verdict:
Malicious
Threat:
Family.GULOADER
Link:
https://tip.neiki.dev/file/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-12-15 07:11:03 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5765lr2brahhxrjho5nwahquabvvctxs3aoanedy6hwp4q2xdsq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/251215-j842zsdz6d/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6f3ed347-6ffa-4b3c-a83d-f94d21a7acfb
Unpacked files
SH256 hash:
af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5
MD5 hash:
719d0758e3ffbb60d21912cf7a617d01
SHA1 hash:
afc46a668c94425e8d12891a999d866c449b450e
Link:
https://www.unpac.me/results/60d71a9d-1d3f-4707-82cc-c7ad5da3ac23/
SH256 hash:
56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
MD5 hash:
6c3f8c94d0727894d706940a8a980543
SHA1 hash:
0d1bcad901be377f38d579aafc0c41c0ef8dcefd
Link:
https://www.unpac.me/results/60d71a9d-1d3f-4707-82cc-c7ad5da3ac23/
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/60d71a9d-1d3f-4707-82cc-c7ad5da3ac23/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af7feeae3a0c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.34
Link:
https://yomi.yoroi.company/submissions/af7feeae3a0c4073de293bbadb00f0a0035a8a7796c0e03483c78f67f21ab8e5

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_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
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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/44696/

Comments