MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c. 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: 21

Intelligence 21 IOCs YARA 52 File information Comments

SHA256 hash:	b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c
SHA3-384 hash:	cfab1f10959b88b26b1d1049b7c9e85d5a6a385206f62a08baa670e02593640b28e496846a8b1ed93e30fa8701dd574d
SHA1 hash:	22266327634e53595de046f389c1736e823354f2
MD5 hash:	0458eb4d882661a3e8c930093acb7b30
humanhash:	iowa-tennis-river-robin
File name:	file
Download:	download sample
Signature	CoinMiner Create hunting rule
File size:	2'954'240 bytes
First seen:	2026-02-14 11:37:36 UTC
Last seen:	2026-02-14 12:38:56 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'799 x AgentTesla, 19'718 x Formbook, 12'280 x SnakeKeylogger)
ssdeep	49152:hgNYVx+yxx6CkHDco98OBeZWsOnYRGUOWcrsmvQL586AEAde+fgUzzU:eeV5OBeZ1RjICa6AEWfg1
Threatray	1'715 similar samples on MalwareBazaar
TLSH	T188D5331B4547E1DBFF72CB3462702A904EC6BC1EB02EBA6D12593CD7813D0960A5BB5E
TrID	73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	Bitsight
Tags:	CoinMiner dropped-by-amadey exe fbf543

Bitsight

url: http://130.12.180.43/files/8408827406/6jrtKpb.exe

Intelligence

File Origin

# of uploads :

# of downloads :

171

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

EvilCoder SilentCryptoMiner XWorm

Details

EvilCoder

a mutex and AES-ECB decrypted component(s)

PEPacker

a UPX version number and an unpacked binary

SilentCryptoMiner

AES-CBC decryption parameters, decrypted component(s), and possibly urls and a CryptoCurrency address

XWorm

a version, a filepath, a mutex, a c2 socket address or a dead-drop resolver URL, and possibly cryptocurrency wallets and a Telegram URL

Link:

https://research.acce.ciphertechsolutions.com/results/5044bb22-9b43-479e-b251-d5308a4f6a23/

Malware family:

xmrig

ID:

File name:

_b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c.exe

Verdict:

Malicious activity

Analysis date:

2026-02-14 11:38:57 UTC

Tags:

evasion auto-startup auto-reg xworm miner winring0-sys vuln-driver upx xor-url generic xmrig

Link:

https://app.any.run/tasks/1986d0ab-4c48-4bd5-bbec-a5cdd82fe4d1

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

R77

Link:

https://www.capesandbox.com/analysis/53326/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69905eb42715406c647956b7

Tags:

asyncrat cobalt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file

Using the Windows Management Instrumentation requests

Creating a window

DNS request

Connection attempt

Sending an HTTP GET request

Creating a process with a hidden window

Running batch commands

Launching a process

Creating a service

Launching a service

Creating a file in the Windows subdirectories

Searching for synchronization primitives

Unauthorized injection to a recently created process

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Forced shutdown of a system process

Enabling autorun for a service

Adding an exclusion to Microsoft Defender

Unauthorized injection to a system process

Enabling autorun by creating a file

Using obfuscated Powershell scripts

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive installer-heuristic lolbin packed update vbnet

Link:

https://www.filescan.io/uploads/69905eaf930564ff3ca0dfec/reports/1f45b66f-ed79-4d90-94a2-06e70f9123bd/overview

Verdict:

Malicious

Labled as:

MSIL.Cassiopeia.Generic

Link:

https://www.hybrid-analysis.com/sample/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c

Verdict:

Malicious

File Type:

exe x32

Detections:

PDM:Trojan.Win32.Tasker.cust HEUR:Trojan.Win32.Agent.pef HEUR:Trojan.MSIL.Agent.gen HEUR:Backdoor.MSIL.XWorm.gen VHO:Trojan.Win32.Agent.gen Backdoor.Agent.TCP.C&C HEUR:Trojan.MSIL.APosT.gen Backdoor.Win32.Androm.sb Backdoor.MSIL.XWorm.b Trojan-Dropper.Win32.Injector.sb Trojan-Dropper.Win32.Agent.sb Trojan.Win32.Agent.sb Trojan.MSIL.DOTHETUK.sb HEUR:Trojan.Win32.Generic HEUR:Trojan.Multi.Agent.gen Backdoor.MSIL.XWorm.a PDM:Trojan.Win32.Generic Trojan.Win32.Vimditator.sb Trojan.Win32.Agent.rnd HEUR:Trojan.Win32.Miner.pef HEUR:Backdoor.MSIL.XClient.b Backdoor.MSIL.Crysan.d RiskTool.BitCoinMiner.UDP.C&C RiskTool.BitCoinMiner.TCP.C&C RiskTool.Miner.UDP.C&C

Link:

https://opentip.kaspersky.com/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c/results?tab=lookup

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/fa34585c-90d0-495a-b6d8-26d0aa291d16

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c

Verdict:

XBinder

YARA:

11 match(es)

Tags:

.Net Crypter Executable Loader Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout RAT SOS: 0.18 SOS: 0.20 SOS: 0.95 Win 32 Exe x86 XBinder XBinder Resource XBinder Variant XRijMut Loader XWorm

Malware Config

C2 Extraction:

CNC: adobe-cdn.duckdns.org,chelou.duckdns.org,mauvaise.duckdns.org,truesir.duckdns.org,176.160.157.96
PORT: 8887

Link:

https://app.malva.re/file/0458eb4d882661a3e8c930093acb7b30

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c/

Verdict:

Malicious

Threat:

Family.XWORM

Link:

https://tip.neiki.dev/file/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c

Threat name:

ByteCode-MSIL.Trojan.Cassiopeia

Status:

Malicious

First seen:

2026-02-14 11:38:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wki3qzfl2xpdtain3y7xpoicpunkhrrra7exqqnaamidqisbj4oa._file

Verdict:

malicious

Label(s):

xworm

unc_loader_055

CoinMiner

87dbdf5b7a09ff4052220d7b187c3feb605bda3d8a534111ede4b0994584baf7

CoinMiner

e2cc856a84dd0a5da86e44cca6c207d76180f21e71e6669ac3dab19fc49b11ad

CoinMiner

error

CoinMiner

fde6dc8a8d086c22dc4a06f8162c2bcddc9727c1898916bf0b6f303027ffe547

CoinMiner

+ 1'705 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xmrig family:xworm defense_evasion discovery execution miner persistence rat trojan upx

Link:

https://tria.ge/reports/260214-nrxc2aay6g/

Behaviour

Checks SCSI registry key(s)

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Launches sc.exe

Drops file in System32 directory

Suspicious use of SetThreadContext

UPX packed file

Adds Run key to start application

Looks up external IP address via web service

Power Settings

Checks BIOS information in registry

Checks computer location settings

Creates new service(s)

Executes dropped EXE

Stops running service(s)

Command and Scripting Interpreter: PowerShell

XMRig Miner payload

Detect Xworm Payload

Suspicious use of NtCreateUserProcessOtherParentProcess

Xmrig family

Xworm

Xworm family

xmrig

Malware Config

C2 Extraction:

adobe-cdn.duckdns.org:8887
chelou.duckdns.org:8887
mauvaise.duckdns.org:8887
truesir.duckdns.org:8887
176.160.157.96:8887

Unpacked files

SH256 hash:

b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c

MD5 hash:

0458eb4d882661a3e8c930093acb7b30

SHA1 hash:

22266327634e53595de046f389c1736e823354f2

Link:

https://www.unpac.me/results/17aebb22-737e-4535-a25b-5442315b84a4/

SH256 hash:

b6349177c94fce84c3b3493cfd6c1194ba0cf95673a3d9d15b98f9a7f539de51

MD5 hash:

bee9de31e7ccded2f9312b2ff57161f0

SHA1 hash:

890164140bb154e0294be89d5410236ed50f7e1b

Detections:

win_xworm_w0

XWorm

win_xworm_bytestring

win_mal_XWorm

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

MALWARE_Win_AsyncRAT

MALWARE_Win_XWorm

Link:

https://www.unpac.me/results/17aebb22-737e-4535-a25b-5442315b84a4/

Parent samples :

b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c
b6349177c94fce84c3b3493cfd6c1194ba0cf95673a3d9d15b98f9a7f539de51

SH256 hash:

d6966099c5998c8fdabf3f7f435856b469a1cefd4c8f8362c2dceebe7dd31c94

MD5 hash:

8001a5a10f6f71e5b93703afad23f8aa

SHA1 hash:

bb3350de5a04c8c48efdb9e7ebeb30826c37ce9a

Link:

https://www.unpac.me/results/17aebb22-737e-4535-a25b-5442315b84a4/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b291b864abd5/report/overview.html

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/b291b864abd5de39810dde3f77b9027d1aa3c63107c97841a003103822414f1c

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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

Rule name:	CAS_Malware_Hunting Create hunting rule
Author:	Michael Reinprecht
Description:	DEMO CAS YARA Rules for sample2.exe

Rule name:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

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

Rule name:	DebuggerCheck__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

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:	DebuggerHiding__Thread 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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

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

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:	MALWARE_Win_R77 Create hunting rule
Author:	ditekSHen
Description:	Detects r77 rootkit

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:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	Mimikatz_Generic Create hunting rule
Author:	Still
Description:	attempts to match all variants of Mimikatz

Rule name:	Multi_Cryptominer_Xmrig_f9516741 Create hunting rule
Author:	Elastic Security

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

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

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Suspicious_PssCaptureSnapshot_Usage Create hunting rule
Author:	Dana Behling - Just me not for personal curiosity, no company.
Description:	Detects binaries abusing PssCaptureSnapshot in combination with typical combination that indicates malicious activity.

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

Rule name:	upx_largefile Create hunting rule
Author:	k3nr9

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

Rule name:	Windows_Cryptominer_Generic_f53cfb9b Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_d331d190 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Rootkit_R77_d0367e28 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit

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