MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c37f9f6fa02dc6b3cc5322b12bf8a4040018cbe8abde59f4b6a6aa1c86001255. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: c37f9f6fa02dc6b3cc5322b12bf8a4040018cbe8abde59f4b6a6aa1c86001255
SHA3-384 hash: a02470268b397a9732d370905828686e3714b004e14f12bdad1412647fc1e04d25f8acd06e634e06b4e912c93ea614ba
SHA1 hash: 32e765d7124176b202f387fdee5e1809e586e9eb
MD5 hash: ef1435d48c6a28bcdd78ca339f5644db
humanhash: purple-magazine-twenty-island
File name:OM8hqGX.exe
Download: download sample
Signature CoinMiner
File size:5'312'512 bytes
First seen:2025-07-17 05:53:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f5f30b7b5f259a4a0b7809ee71919fa8 (2 x Stealc, 2 x LummaStealer, 2 x CoinMiner)
ssdeep 98304:gPAIAnXBLLRm4i5WZC4nKrlRJOLLRm4i5WZC4nKrlRJp:dIAXbM6NM6U
TLSH T1CE3622269992E2C7FC3681B5445239953873B636C62A2FEF4294E3739F176C06F19B0C
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
44
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c9079b11a3f48bc433e4cbf3a8db58339a3b6c400f55268ca91ac53afec9e136.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-07-16 02:02:33 UTC
Tags:
lumma stealer themida loader amadey botnet stealc rdp auto generic aurotun netreactor purehvnc hijackloader delphi ultravnc rmm-tool evasion rustystealer telegram websocket pastebin vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
spawn virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching a process
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a file in the Windows subdirectories
Enabling autorun by creating a file
Unauthorized injection to a system process
Using obfuscated Powershell scripts
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Result
Threat name:
SilentCrypto Miner, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Detected unpacking (creates a PE file in dynamic memory)
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sample is not signed and drops a device driver
Self deletion via cmd or bat file
Sets debug register (to hijack the execution of another thread)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Potentially Suspicious PowerShell Child Processes
Suspicious powershell command line found
Uses Register-ScheduledTask to add task schedules
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected PersistenceViaHiddenTask
Yara detected SilentCrypto Miner
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1738579 Sample: OM8hqGX.exe Startdate: 17/07/2025 Architecture: WINDOWS Score: 100 59 Antivirus detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected SilentCrypto Miner 2->63 65 15 other signatures 2->65 8 OM8hqGX.exe 2->8         started        11 updater.exe 2->11         started        13 powershell.exe 15 2->13         started        15 6 other processes 2->15 process3 signatures4 89 Self deletion via cmd or bat file 8->89 91 Sets debug register (to hijack the execution of another thread) 8->91 93 Modifies the context of a thread in another process (thread injection) 8->93 17 OM8hqGX.exe 4 8->17         started        95 Multi AV Scanner detection for dropped file 11->95 97 Detected unpacking (creates a PE file in dynamic memory) 11->97 99 Found hidden mapped module (file has been removed from disk) 11->99 101 Found direct / indirect Syscall (likely to bypass EDR) 11->101 21 updater.exe 11->21         started        103 Writes to foreign memory regions 13->103 105 Injects a PE file into a foreign processes 13->105 23 dllhost.exe 1 13->23         started        25 conhost.exe 13->25         started        107 Changes security center settings (notifications, updates, antivirus, firewall) 15->107 109 Uses schtasks.exe or at.exe to add and modify task schedules 15->109 111 Loading BitLocker PowerShell Module 15->111 27 conhost.exe 15->27         started        29 conhost.exe 15->29         started        31 conhost.exe 15->31         started        33 schtasks.exe 1 15->33         started        process5 file6 53 C:\Users\user\AppData\Roaming\...\updater.exe, PE32+ 17->53 dropped 55 C:\Users\user\AppData\Local\...\oanvvyut.tmp, PE32+ 17->55 dropped 67 Suspicious powershell command line found 17->67 69 Self deletion via cmd or bat file 17->69 71 Writes to foreign memory regions 17->71 35 cmd.exe 1 17->35         started        37 dialer.exe 2 17->37         started        73 Modifies the context of a thread in another process (thread injection) 21->73 75 Maps a DLL or memory area into another process 21->75 77 Sample is not signed and drops a device driver 21->77 79 Found direct / indirect Syscall (likely to bypass EDR) 21->79 81 Injects code into the Windows Explorer (explorer.exe) 23->81 83 Creates a thread in another existing process (thread injection) 23->83 85 Injects a PE file into a foreign processes 23->85 39 lsass.exe 23->39 injected 42 svchost.exe 23->42         started        45 winlogon.exe 23->45 injected 47 26 other processes 23->47 signatures7 process8 dnsIp9 49 conhost.exe 35->49         started        51 choice.exe 1 35->51         started        87 Writes to foreign memory regions 39->87 57 127.0.0.1 unknown unknown 42->57 signatures10 process11
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-07-16 06:47:25 UTC
File Type:
PE+ (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig defense_evasion discovery execution miner persistence upx
Behaviour
Checks processor information in registry
Detects videocard installed
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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
UPX packed file
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Sets service image path in registry
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Xmrig family
xmrig
Unpacked files
SH256 hash:
c37f9f6fa02dc6b3cc5322b12bf8a4040018cbe8abde59f4b6a6aa1c86001255
MD5 hash:
ef1435d48c6a28bcdd78ca339f5644db
SHA1 hash:
32e765d7124176b202f387fdee5e1809e586e9eb
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

CoinMiner

Executable exe c37f9f6fa02dc6b3cc5322b12bf8a4040018cbe8abde59f4b6a6aa1c86001255

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

Comments