MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9. 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: 11

Intelligence 11 IOCs YARA 23 File information Comments 1

SHA256 hash:	cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9
SHA3-384 hash:	8fb82782072772e82dea70de02f0326035f22fb7c842a87ad073165bbbbd1b2a543fcf2888b57acbb01ee03243bf33de
SHA1 hash:	280950ed79e57afd2f6e1d6dd677ade37ca9d75a
MD5 hash:	d6af79c29645eab72cbe21a3a5a118db
humanhash:	bakerloo-three-october-dakota
File name:	ma.exe
Download:	download sample
Signature	CoinMiner Create hunting rule
File size:	4'436'384 bytes
First seen:	2024-01-03 00:44:06 UTC
Last seen:	2024-01-03 00:48:48 UTC
File type:	exe
MIME type:	application/x-dosexec
ssdeep	98304:y1W9Kp+CladnYS2dru3SkG/Mul2rq/aReDkizMeQU90:yuKp+VfvQ/Mul2rVe4iwVU90
TLSH	T13526332427D5DA13E7A70276D0C46531A6B2AF222593D2F7A9563EFF6F737810C2210B
TrID	40.9% (.EXE) Win64 Executable (generic) (10523/12/4) 19.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.0% (.EXE) Win16/32 Executable Delphi generic (2072/23) 8.0% (.ICL) Windows Icons Library (generic) (2059/9) 7.8% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	f0f0b8b8c88ae484 (1 x CoinMiner)
Reporter	adm1n_usa32
Tags:	64 CoinMiner exe signed

Code Signing Certificate

Organisation:	ActiveReports RDF document API
Issuer:	ActiveReports RDF document API
Algorithm:	sha512WithRSAEncryption
Valid from:	2023-12-10T16:06:41Z
Valid to:	2025-09-10T00:00:00Z
Serial number:	676e20ee07fcc949aa7e957832b7bdab
Intelligence:	18 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	334dae18975b4bd4fb9969b2082c4c0f9d126fc484719de39784369c960524cb
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

317

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Creating a file in the %temp% directory

Enabling the 'hidden' option for recently created files

Running batch commands

Launching a process

Creating a process from a recently created file

Sending a custom TCP request

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Connecting to a non-recommended domain

Sending an HTTP GET request

Searching for synchronization primitives

DNS request

Creating a service

Launching a service

Loading a system driver

Unauthorized injection to a recently created process

Enabling autorun for a service

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

91%

Tags:

anti-vm coinminer lolbin overlay packed schtasks xmrig

Link:

https://www.filescan.io/uploads/6594ae0fffafd83ebca426e1/reports/6407225f-0a64-4966-a69d-2be74bef7695/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/05d7579a-a08d-4e39-8b60-dd57802e81d7

Result

Threat name:

Xmrig

Detection:

malicious

Classification:

evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1369091

Signature

Antivirus detection for URL or domain

Detected Stratum mining protocol

Found strings related to Crypto-Mining

Hijacks the control flow in another process

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Query firmware table information (likely to detect VMs)

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9/

Threat name:

Win64.Trojan.CoinminerX

Status:

Malicious

First seen:

2024-01-02 19:28:37 UTC

File Type:

PE+ (.Net Exe)

Extracted files:

AV detection:

13 of 22 (59.09%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=z5i4kdabuh4r7uo7xmfeoqx7tkwwsql7bj5jlpqlwzgykwyn2xmq._file

Verdict:

unknown

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:xmrig miner upx

Link:

https://tria.ge/reports/240103-g663fscbaj/

Behaviour

Creates scheduled task(s)

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

UPX packed file

Uses the VBS compiler for execution

XMRig Miner payload

xmrig

Unpacked files

SH256 hash:

cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9

MD5 hash:

d6af79c29645eab72cbe21a3a5a118db

SHA1 hash:

280950ed79e57afd2f6e1d6dd677ade37ca9d75a

Link:

https://www.unpac.me/results/4028cdcf-a3c3-4618-b2e5-65033a40977e/

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/cf51c50c01a1f91fd1dfbb0a4742ff9aad69417f0a7a95be0bb64d855b0dd5d9

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	ldpreload Create hunting rule
Author:	xorseed
Reference:	https://stuff.rop.io/

Rule name:	MacOS_Cryptominer_Generic_333129b7 Create hunting rule
Author:	Elastic Security

Rule name:	MacOS_Cryptominer_Xmrig_241780a1 Create hunting rule
Author:	Elastic Security

Rule name:	MALWARE_Win_CoinMiner02 Create hunting rule
Author:	ditekSHen
Description:	Detects coinmining malware

Rule name:	MAL_XMR_Miner_May19_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Monero Crypto Coin Miner
Reference:	https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/

Rule name:	MAL_XMR_Miner_May19_1_RID2E1B Create hunting rule
Author:	Florian Roth
Description:	Detects Monero Crypto Coin Miner
Reference:	https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	rig_win64_xmrig_6_13_1_xmrig Create hunting rule
Author:	yarGen Rule Generator
Description:	rig_win64 - file xmrig.exe
Reference:	https://github.com/Neo23x0/yarGen

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	WHIRLPOOL_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for WhirlPool constants

Rule name:	XMRIG_Monero_Miner Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Monero mining software
Reference:	https://github.com/xmrig/xmrig/releases