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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048. 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: e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048
SHA3-384 hash: a566a40efb9d1b1013813e3c7d3fd0be13881ed89099763745508383eaddb6e3b34c3a90776a6b54d5b2af0c7e7acba7
SHA1 hash: 7b70d5e3e9a4852bc7524f4169ac1afa3fbac2f3
MD5 hash: 0a9ee60f6469aec7fc265e4693b9a666
humanhash: hot-east-cola-cardinal
File name:Formnds.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:388'640 bytes
First seen:2026-05-20 18:23:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (142 x RedLineStealer, 109 x GuLoader, 64 x DiamondFox)
ssdeep 6144:tgORajLs0zTaSNYdoM8WfN0/ZDmjbAvO3Nqd/8JJBg2nHQTqoxXG5XtwhUVvlDYI:tg/Lsi4yM8WfN0pAeOfg1jXatwhuYFQP
Threatray 4'496 similar samples on MalwareBazaar
TLSH T14B8422917BC8C924E2BB47705E7A4736B9F3C8BA485D475B37A0AF4E3560A41CE1C392
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter TomU
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Brnemishandlingers
Issuer:Brnemishandlingers
Algorithm:sha256WithRSAEncryption
Valid from:2025-08-29T05:27:21Z
Valid to:2026-08-29T05:27:21Z
Serial number: 7cd83d022a569dddecb2c5135dd7f63296175771
Thumbprint Algorithm:SHA256
Thumbprint: a6e8233004f574be1f363568b30d635c94d2c9bf47a07a6f1d0f741de262e3a7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Link:
https://research.acce.ciphertechsolutions.com/results/a747a4fb-febf-4012-9397-6c6562222fc6/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-21 04:33:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a49369ac-dd10-42a7-a302-031a6f22770a

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/67001/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1575.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0e201b4f2b29ce04022869
Tags:
uloader virus nsis blic
Result
Verdict:
Malware
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
Sending a custom TCP request
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Link:
https://www.filescan.io/uploads/6a0e035c056ea44c453628c5/reports/a3b32597-2203-4fe8-a0e0-4108a0990013/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-24T11:12:00Z UTC
Last seen:
2026-05-19T20:40:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2442f14d-3b6a-4cc0-9a8c-57b8314f030a
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 16:04:07 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=464ft7wemli5cpznfchjvd2tzjwcemnuyyje26wi5yvw2lugubea._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
0c67ccd6b722d25bbe932693afe8d0895555d12442699122c8810d2d6610e2a8
GuLoader
0cb6636748ff6a60ebf1a4644a7b4c877f8a19edd8c7a2eac10b34d1bd7cbfbf
GuLoader
29032ae14e315863a55a0851c3e1c9cb246beb4513a279d8b1bf7fac97be6ff7
GuLoader
2bab4b4ef0cd5ce5f2dff0ddcbdfb7295c0d141fb4c88ec305268b24a3e23a5c
GuLoader
43753d7fe1487c758cfebd575c0818b13ef5c3c278a0fa9539e04fe1a86553eb
GuLoader
55118f31295208ddb2a3e7f18a340056c791d338d8375080cdf618c2bc01bd08
GuLoader
79866667d5cd578a1c6eda54a748ff9d316fff39064eecd282bc2a9ad8a5ac7d
GuLoader
da9c5f609ebbcf19aef3d6992d451ccbe4fa77858660f6861146d1a486e1d98e
GuLoader
ebb0272ecef9d8bf07a71b9ead8718760d27c4fdc334fe2de7a8b93237e61044
GuLoader
error
GuLoader
+ 4'486 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader macos
Link:
https://tria.ge/reports/260520-w1xddsaz2x/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048
MD5 hash:
0a9ee60f6469aec7fc265e4693b9a666
SHA1 hash:
7b70d5e3e9a4852bc7524f4169ac1afa3fbac2f3
Link:
https://www.unpac.me/results/38341101-d921-4e58-ac7a-f67febf10a59/
SH256 hash:
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
MD5 hash:
48f3e7860e1de2b4e63ec744a5e9582a
SHA1 hash:
420c64d802a637c75a53efc8f748e1aede3d6dc6
Link:
https://www.unpac.me/results/38341101-d921-4e58-ac7a-f67febf10a59/
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
Link:
https://www.unpac.me/results/38341101-d921-4e58-ac7a-f67febf10a59/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e7b859fec462/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048

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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

GuLoader

Executable exe e7b859fec462d1d13f2d288e9a8f53ca6c2231b4c6124d7ac8ee2b6d2e86a048

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/67001/

Comments