MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d. 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


Guildma


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d
SHA3-384 hash: 33745f70d442d01b062ae75443ce7b2a6e5179331d344d1eeb38fbd9ed24f6f6dfdfab6f596e002dfc8d05f748528138
SHA1 hash: fb89121dc541654978281959360975247caf2d94
MD5 hash: 70f1b9c93df968a1f270dee91132f4ab
humanhash: mars-maryland-mango-connecticut
File name:FernandRocha.38210906972.249082.57545.lNk
Download: download sample
Signature Guildma
Create hunting rule
File size:1'029 bytes
First seen:2023-06-21 11:47:41 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 12:8D28OByN6/rfMm3Xf5wUeaTAStbaVIKbaVUaVuRcbaVIz87KZIxFbJb4bzYvVIas:8FN4wm3BwSTftoa8M40uU43asMEjvRM
TLSH T1A5111BB997651EBEC4B706B5CD34AC0C89F68CB30E4ED05ED9233588C5345902F9465A
Reporter abuse_ch
Tags:Astaroth BRA geo guildma lnk


Avatar
abuse_ch
Guildma botnet C2s:
aliciapricemd.mom
cynthiawilliams.mom
danielcooper.mom
douglashoward.mom
edwardgregory.mom
eugeneblair.cfd
jackbowman.cfd
jeffreyray.cfd
karaburton.cfd
karlatownsend.cfd
patriciastark.cfd
rhondawatson.cfd
robertlee.cfd
ruthhogan.cfd
tanyamiller.cfd

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilLNK.CMDLineCarrotsFoundationsOfDecay.M2.20220516.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.CMDLineCarrotsFoundationsOfDecay.M3.20221011.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd conhost masquerade wscript
Link:
https://www.filescan.io/uploads/6492e37573cb23e4dbf80541/reports/db36dea0-61e2-414d-b431-0395f4feb131/overview
Verdict:
Malicious
Labled as:
Trojan.WinLNK.Agent
Link:
https://www.hybrid-analysis.com/sample/6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1258970
Signature
Obfuscated command line found
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n77p46l7hrbzfs6fp2xsfzidtz4ooqtauwtuu54xvjhdcsrchm6q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230621-nye3bsha42/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d

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:Execution_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:Script_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.

File information

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

Web download

Guildma

Shortcut (lnk) lnk 6ffefe797f3c4392cbc57eaf22e5039e78e74260a5a74a7797aa4e314a223b3d

(this sample)

Guildma

Java Script (JS) js 850ef4d12de8921fa91b94dd252002960afef48b08e5300e253a2c6b86131c36

  
Dropping
MD5 78198962aa8c1b3bc8ce15e78af97002
  
Dropping
SHA256 850ef4d12de8921fa91b94dd252002960afef48b08e5300e253a2c6b86131c36
  
Delivery method
Distributed via web download

Comments