MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 71c6df92c3d63f9b52c15f3d594eefda62aa17b88ae91e7a685ad198d851ac55. 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: 12
| SHA256 hash: | 71c6df92c3d63f9b52c15f3d594eefda62aa17b88ae91e7a685ad198d851ac55 |
|---|---|
| SHA3-384 hash: | 4fbc5a8f5e32a4dc4f39403e403ff1bc8c10d6be7b2e563cd37a9a2c78501ac2d79fccd11c4440611cc1790eeaee1a55 |
| SHA1 hash: | a90dd23a70b4e16b3e5a3551efb0797e89d942cf |
| MD5 hash: | bda3de17f9e6f01ab6fe8aa5e9594319 |
| humanhash: | football-stairway-hydrogen-asparagus |
| File name: | svchost.exe |
| Download: | download sample |
| Signature | Miniduke |
| File size: | 178'688 bytes |
| First seen: | 2025-11-23 09:24:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | edf0659abd5188c18e493cb2537cb8d9 (38 x Miniduke) |
| ssdeep | 3072:KZ/LhS0rKgHq+rFLIwgoovufDUbZSYIWJkBu5Se:+/LhS0rKE/FLITo9mbIWWBg |
| Threatray | 26 similar samples on MalwareBazaar |
| TLSH | T152049E3533E5C0B1E53316B46DF1AB62967EBC384A71858B9BA41F6F2E346918339307 |
| 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 :
13
Origin country :
IEVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
miniduke dropper virus blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun
Creating a service
DNS request
Connection attempt
Creating a window
Сreating synchronization primitives
Creating a file
Reading critical registry keys
Searching for synchronization primitives
Adding an access-denied ACE
Enabling autorun for a service
Stealing user critical data
Enabling autorun by creating a file
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
Verdict:
Malicious
Labled as:
Backdoor.CosmicDuke
Result
Gathering data
Score:
97%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.MiniDuke
Status:
Malicious
First seen:
2025-11-21 18:58:17 UTC
File Type:
PE (Exe)
AV detection:
30 of 36 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cosmicduke
Similar samples:
+ 16 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
collection defense_evasion discovery spyware stealer
Behaviour
Modifies Control Panel
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_win_path
System Location Discovery: System Language Discovery
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Checks installed software on the system
Enumerates connected drives
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
apt Win.Trojan.Zusy-9876296-0
YARA:
detect_apt_APT29
Unpacked files
SH256 hash:
d2fa932ca465230d356458e69097f09be503939b241482e9428a4957352324eb
MD5 hash:
2e804a0f6c23629fad42a0420b8b5c82
SHA1 hash:
78d602d6acf6eb3b3eb8381f9868b73a66a8094c
SH256 hash:
71c6df92c3d63f9b52c15f3d594eefda62aa17b88ae91e7a685ad198d851ac55
MD5 hash:
bda3de17f9e6f01ab6fe8aa5e9594319
SHA1 hash:
a90dd23a70b4e16b3e5a3551efb0797e89d942cf
Detections:
win_cosmicduke_w0
win_cosmicduke_auto
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | detect_apt_APT29 |
|---|---|
| Author: | @malgamy12 |
| Description: | detect_APT32_malware |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | win_cosmicduke_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.cosmicduke. |
| Rule name: | win_cosmicduke_w0 |
|---|---|
| Author: | @malgamy12 |
| Description: | detect cosmicduke |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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