MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c540bcb37c9faba5044faa007ed03c2ebc64bf39fd724b22ed4b2408d2fb43c. 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: 16


Intelligence 16 IOCs YARA 28 File information Comments

SHA256 hash: 8c540bcb37c9faba5044faa007ed03c2ebc64bf39fd724b22ed4b2408d2fb43c
SHA3-384 hash: d9f9b2cb295a3c327d60c09738ad8b2dbbdf8f18d37ada3dcb9dbf64fc193447b5353055f5b97b263719b881903f4ed9
SHA1 hash: b0ca0b4c5c4b68c79d0320cd0f4407126cd91c45
MD5 hash: 79f1a7e79e7f0308c8b1c002004ea0f1
humanhash: oranges-ink-football-carpet
File name:file
Download: download sample
Signature CoinMiner
File size:3'200'512 bytes
First seen:2026-02-07 10:17:53 UTC
Last seen:2026-02-07 11:27:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a04338e07c426b2fefa044b2835c73ce (11 x CoinMiner)
ssdeep 49152:cSvUr9Y+UWtxMeDLyoAttv+GGMpl8IsInnlhJKOe1YLFItSj3NBfZzonY:WRVTDL52tGGxDJzJe1YLFcSjn
TLSH T155E52393A08588F5DC9AD03CB3C99B54DE6EB4318794E5C703B059113A96AE88FFDE31
TrID 49.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
31.8% (.EXE) Win64 Executable (generic) (10522/11/4)
6.1% (.EXE) OS/2 Executable (generic) (2029/13)
6.0% (.EXE) Generic Win/DOS Executable (2002/3)
6.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:CoinMiner dropped-by-amadey exe fbf543


Avatar
Bitsight
url: http://130.12.180.43/files/7302144605/SYuwNKs.exe

Intelligence


File Origin
# of uploads :
14
# of downloads :
133
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-02-07 10:19:26 UTC
Tags:
xmrig miner pastebin winring0-sys vuln-driver upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
spawn virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug coinminer krypt
Result
Gathering data
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-05T17:22:00Z UTC
Last seen:
2026-02-06T16:34:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Family.UNAMSILENTCRYPTOMINER
Threat name:
Win64.Trojan.MintZard
Status:
Malicious
First seen:
2026-02-06 00:50:28 UTC
File Type:
PE+ (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig defense_evasion execution miner persistence upx
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
UPX packed file
Contacts third-party web service commonly abused for C2
Power Settings
Creates new service(s)
Executes dropped EXE
Stops running service(s)
Command and Scripting Interpreter: PowerShell
XMRig Miner payload
Xmrig family
xmrig
Unpacked files
SH256 hash:
8c540bcb37c9faba5044faa007ed03c2ebc64bf39fd724b22ed4b2408d2fb43c
MD5 hash:
79f1a7e79e7f0308c8b1c002004ea0f1
SHA1 hash:
b0ca0b4c5c4b68c79d0320cd0f4407126cd91c45
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_References_SecTools
Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:MacOS_Cryptominer_Xmrig_241780a1
Author:Elastic Security
Rule name:MALWARE_Win_CoinMiner02
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MAL_XMR_Miner_May19_1
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
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
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Cryptominer_Xmrig_f9516741
Author:Elastic Security
Rule name:pe_detect_tls_callbacks
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SUSP_Websites
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware
Rule name:upx_largefile
Author:k3nr9
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Cryptominer_Generic_f53cfb9b
Author:Elastic Security
Rule name:Windows_Generic_Threat_e8abb835
Author:Elastic Security
Rule name:XMRIG_Monero_Miner
Author:Florian Roth (Nextron Systems)
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases
Rule name:xmrig_v1
Author:RandomMalware

File information


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

Web download

CoinMiner

Executable exe 8c540bcb37c9faba5044faa007ed03c2ebc64bf39fd724b22ed4b2408d2fb43c

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments