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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae. 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


CoinMiner


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae
SHA3-384 hash: d8f9636dc4e159fb61af4794a5ab0f99402c3b07e6d2a2e4e82fce460d52f85b07ca56c6cc3c7f0c51366c4ccc003120
SHA1 hash: 0c77484252a50e76e06efd8d53cbec7a71397c2e
MD5 hash: 31525df166ed1ca0a0da57f68b2fbb3e
humanhash: muppet-virginia-spaghetti-maine
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'660'352 bytes
First seen:2026-10-09 19:03:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash de41d4e0545d977de6ca665131bb479a (96 x CoinMiner)
ssdeep 49152:rPnc7n/aA5hTjhK5+fss5xLG/tGnbaPoJf3LS1qPRChafNo:rnwaAXTjhK8fNLG/temP6/L+Pae
TLSH T1CDC533E41E0DE3FDD987EC34B8A99E60126D38A04B6615D30BEB54D63C217F81E35A4B
TrID 56.8% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
22.4% (.EXE) Win64 Executable (generic) (6522/11/2)
6.9% (.EXE) OS/2 Executable (generic) (2029/13)
6.8% (.EXE) Generic Win/DOS Executable (2002/3)
6.8% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter Bitsight
Tags:a CoinMiner dropped-by-gcleaner exe MIX1.file


Avatar
Bitsight
url: http://91.92.242.236/service

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
SilentCryptoMiner
Details
Link:
https://research.acce.ciphertechsolutions.com/results/985d86de-43c2-46b2-b032-bf6295f61db9/
Malware family:
xmrig
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-10-09 19:17:34 UTC
Tags:
winring0-sys vuln-driver miner upx xmrig
Link:
https://app.any.run/tasks/a4f4d419-92a3-484b-8303-80a018972022

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/91255/
Detection(s):
Win.Packed.Reflo-10056490-0
Create hunting rule

Win.Packed.Zusy-10017004-0
Create hunting rule

Win.Packed.Zusy-10018533-0
Create hunting rule

Win.Packed.Zusy-10029091-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Launching a process
Creating a service
Creating a file
Launching a service
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Deleting a recently created file
Creating a file in the system32 subdirectories
Enabling autorun for a service
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug
Link:
https://www.filescan.io/uploads/6ac93ab00b72c1323436b845/reports/7f683019-4e5e-4992-841e-b3d0a00312ee/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-09T17:27:00Z UTC
Last seen:
2026-10-11T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae/results?tab=lookup
Malware family:
XMRig Miner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a7039f8c-53c0-4084-890c-e4d0e7b508c2
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/31525df166ed1ca0a0da57f68b2fbb3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae/
Threat name:
Win64.Coinminer.XMRig
Create hunting rule
Status:
Malicious
First seen:
2026-10-09 19:04:18 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4b4leqjgp2mb544ohss5wzi2i4lxa4w44kvr3gjwm5fsx6avgxa._file
Verdict:
malicious
Label(s):
unc_loader_055
Create hunting rule
Link:
https://reports.threatray.com/ce27f38b-2977-4ebf-8097-1b5fd1b5cf29
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig defense_evasion execution miner persistence upx
Link:
https://tria.ge/reports/261009-xq1hqsds8x/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
UPX packed file
Power Settings
Creates new service(s)
Executes dropped EXE
Stops running service(s)
Command and Scripting Interpreter: PowerShell
XMRig Miner payload
Family: xmrig
Unpacked files
SH256 hash:
cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae
MD5 hash:
31525df166ed1ca0a0da57f68b2fbb3e
SHA1 hash:
0c77484252a50e76e06efd8d53cbec7a71397c2e
Detections:
triage_xmrig
Create hunting rule
Link:
https://www.unpac.me/results/de8bcd80-1f1c-4e85-8c8a-1a40b947394b/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf03c5920933/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Windows_Generic_Threat_e8abb835
Create hunting rule
Author:Elastic Security
Rule name:WIN_Malware_Unknown_ForgeAuto_3ee43008
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)

File information

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

Web download

CoinMiner

Executable exe cf03c5920933f4c0f79c71e52edb28d238bb8396e71558ecc9b33a595fc0a9ae

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/91255/

Comments