MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458. 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


Miniduke


Vendor detections: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458
SHA3-384 hash: 76a641267eaa504bbef2273b5cd17f1ec2ea8b4c7500f89c3875d6211be796facfdf57d2e03ce5c18ba5eb931a165a4a
SHA1 hash: f3b5e2146ba319059f743cb34871810ad205ef01
MD5 hash: 40f8f72291e966b0d331ec0d69603757
humanhash: music-robert-arizona-king
File name:svchost.exe
Download: download sample
Signature Miniduke
Create hunting rule
File size:228'062 bytes
First seen:2025-11-23 09:28:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash edf0659abd5188c18e493cb2537cb8d9 (38 x Miniduke)
ssdeep 3072:eL5XeGZOdNugUBl3sc0ZWxTfin8uIWJiyc5Se:eL5XeGZOhUBl3sc5xuxIWIya
Threatray 10 similar samples on MalwareBazaar
TLSH T1E8249E2132E4C070D56316B46E71FB578ABEBC588675C9CBABA40E5E5E70A81E33D307
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 Hexastrike
Tags:exe miniduke

Intelligence

File Origin
# of uploads :
1
# of downloads :
23
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40768/
Detection(s):
Win.Trojan.Zusy-9876296-0
Create hunting rule

Win.Malware.Pfbpk-9975387-0
Create hunting rule

Win.Trojan.CosmicDuke-3
Create hunting rule

Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 cmd crypto evasive explorer fingerprint keylogger lolbin microsoft_visual_cc
Link:
https://www.filescan.io/uploads/6922ded15d3feebe12d81431/reports/1f2a0dd4-8d10-4e00-aaca-5f3284820431/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458
Result
Gathering data
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/40f8f72291e966b0d331ec0d69603757
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458/
Threat name:
Win32.Backdoor.MiniDuke
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 18:41:12 UTC
File Type:
PE (Exe)
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjy4txkqdslzvco2spisr6anozqc43yeqjc5gomgzdfsmummkrma._file
Verdict:
malicious
Label(s):
cosmicduke
Create hunting rule
Similar samples:
5d74919198834de59ddbf74322fc291019df6bd42319a9eceb8c4a9a932870a1
Miniduke
77cd2b705612246823a22afa826ac4a67d8c6a9fd0f9559abf9d7304703be2bd
Miniduke
b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458
Miniduke
b5c571cbe24b37359eb4018bac19e37a2ffc6108d6d1cb5c8c22640397c47596
Miniduke
b62402660d896c3c694e494a638c80b46d93c5b126ffc2f59c7023d8c5455339
Miniduke
c8f977ded6caa261174a6b6c4bc7ce2db2fc5913ffb37086b6a2d0c13c9e682d
Miniduke
ca173bac741566c19ba62d3002a3044b064ebcf21a0c2ce4c31e068a3b048c33
Miniduke
error
Miniduke
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/251123-maj6psyqaj/
Behaviour
Program crash
System Location Discovery: System Language Discovery
Verdict:
Malicious
Tags:
apt Win.Trojan.Zusy-9876296-0
YARA:
detect_apt_APT29
Link:
https://app.threat.zone/submission/08680040-d491-4964-89e3-7c6369ed8efc
Unpacked files
SH256 hash:
b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458
MD5 hash:
40f8f72291e966b0d331ec0d69603757
SHA1 hash:
f3b5e2146ba319059f743cb34871810ad205ef01
Detections:
win_cosmicduke_w0
Create hunting rule
win_cosmicduke_auto
Create hunting rule
Link:
https://www.unpac.me/results/6c4cff48-05a9-49c7-8cc3-2c66d926a439/
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/b271c9dd501c979a89da93d128f80d76602e6f048245d33986c8cb26518c5458

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_apt_APT29
Create hunting rule
Author:@malgamy12
Description:detect_APT32_malware
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:win_cosmicduke_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cosmicduke.
Rule name:win_cosmicduke_w0
Create hunting rule
Author:@malgamy12
Description:detect cosmicduke

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/40768/

Comments