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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6
SHA3-384 hash: 997e46901c993ff2f0206bd1eeebff12c50aed061366cb11598bf0bd3b6336f181ab53a426423e68bbaa1a07cb655816
SHA1 hash: 875d8039e4c5856efcac5c90f81acec6acacbbdc
MD5 hash: b7dec6c810878fac3d4021db1790fdeb
humanhash: bulldog-jupiter-montana-berlin
File name:ShipXsXParticulars.pdf.rar
Download: download sample
Signature GuLoader
Create hunting rule
File size:70'605 bytes
First seen:2026-10-14 15:35:04 UTC
Last seen:2026-10-14 15:35:42 UTC
File type: rar
MIME type:application/vnd.rar
ssdeep 1536:wt3Ov4EaaJQCdovjZBbdWEEscnrfXiz7Ei1yvRiq2RNfTasxF:g3BNa+ewjDbdWEVcnWzuRiqGbf
TLSH T14F63021B365A1C92B7789C05D154CEE907FDD8ABA0A865FCD58348881FA792C81E07EF
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter TomU
Tags:GuLoader rar

Intelligence

File Origin
# of uploads :
2
# of downloads :
48
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Ship's Particulars.pdf.vbs
File size:137'288 bytes
SHA256 hash: 85cebc13976d858458eaa729f1fe1034fa1d7892e37d5dc02a9c4336a3f57822
MD5 hash: c18f3801be3c3a04076a2413ac79d9f1
MIME type:text/plain
Signature GuLoader
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/22e06d23-f4f4-41fe-83a2-18f689b2a395/
Detection(s):
Legacy.Trojan.Agent-1388773
Create hunting rule

Legacy.Trojan.Agent-1388784
Create hunting rule

Sanesecurity.Foxhole.Rar_pdf.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acebb8e2e5d8a93d81531a2
Tags:
virus shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd encrypted lolbin masquerade
Link:
https://www.filescan.io/uploads/6acfa14b61fb566b5b65d76a/reports/c141a415-1888-4e47-a74b-a2c156cf80c4/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6
Verdict:
Malicious
File Type:
rar
First seen:
2026-09-30T16:56:00Z UTC
Last seen:
2026-10-14T23:31:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6/results?tab=lookup
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated Rar Archive SOS: 0.33 T1027 T1059.005 VBScript
Link:
https://app.malva.re/file/b7dec6c810878fac3d4021db1790fdeb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 23:39:00 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wajbw6abcd7dkxlsnh7flfhf6l4w7v4kngkkiafftocqbawoexda._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261014-s318kst14p/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Checks QEMU agent file
Checks computer location settings
Badlisted process makes network request
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/b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4
Create hunting rule
Author:Florian Roth
Description:Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:Internal Research
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malspam

GuLoader

rar b0121b780110fe355d7269fe5594e5f2f96fd78a6994a400a59b850082ce25c6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments