MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c7f2e50a308b52a3d037d377e083204e89b143bb74742fda15fb94ad8fd95d0. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments

SHA256 hash: 2c7f2e50a308b52a3d037d377e083204e89b143bb74742fda15fb94ad8fd95d0
SHA3-384 hash: 168ae749162ecefa57a8f3db8363c0012620af01203a4da602ac81b772ef5cfe3dc4e665d68b2b786cb233178ee828a2
SHA1 hash: e71f67e009aa3e3f0b0083600f739263c89c4419
MD5 hash: 27184c62732be20078f490eb9320c1aa
humanhash: bluebird-don-beer-july
File name:win_init.exe
Download: download sample
Signature CoinMiner
File size:407'552 bytes
First seen:2025-05-09 15:51:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 156d402649f0c4e2eaf196703f7ec770 (7 x CoinMiner)
ssdeep 6144:RMsuEFND2a0NhbzPqo5P2jSOjnB75h/gsI6c3ekMVu3d7:RMdtD5P25jnBP/gr6wZ
Threatray 11 similar samples on MalwareBazaar
TLSH T117847D15EA6501FCE1A7A278C9634902E7757C8E07A1DBDF13E449A22F276D09F3EB10
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
417
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the Windows directory
Creating a file in the system32 directory
Launching a process
Creating a file
Running batch commands
Modifying a system file
Searching for synchronization primitives
Creating a file in the system32 subdirectories
Adding an access-denied ACE
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm cmd coinminer crypto evasive explorer fingerprint hacktool lolbin microsoft_visual_cc remote schtasks
Result
Threat name:
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Detected Stratum mining protocol
Detected unpacking (creates a PE file in dynamic memory)
Drops executables to the windows directory (C:\Windows) and starts them
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found strings related to Crypto-Mining
Found suspicious powershell code related to unpacking or dynamic code loading
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
Malicious sample detected (through community Yara rule)
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
Query firmware table information (likely to detect VMs)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspect Svchost Activity
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses powercfg.exe to modify the power settings
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1685731 Sample: win_init.exe Startdate: 09/05/2025 Architecture: WINDOWS Score: 100 80 xai830k.com 2->80 82 shed.dual-low.s-part-0043.t-0009.t-msedge.net 2->82 84 3 other IPs or domains 2->84 98 Malicious sample detected (through community Yara rule) 2->98 100 Antivirus detection for URL or domain 2->100 102 Antivirus detection for dropped file 2->102 104 21 other signatures 2->104 10 win_init.exe 3 19 2->10         started        15 cmd.exe 2->15         started        17 Win-v22.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 dnsIp5 90 45.144.212.77, 49722, 49755, 49756 HPC-MVM-ASHU Ukraine 10->90 92 xai830k.com 152.89.61.96, 443, 49717, 49730 YURTEH-ASUA Ukraine 10->92 94 api64.ipify.org 173.231.16.77, 443, 49725 WEBNXUS United States 10->94 72 C:\Windows\Win-v21.exe, PE32+ 10->72 dropped 74 C:\Windows\System32\Win-v22.exe, PE32+ 10->74 dropped 76 C:\Users\user\AppData\Local\Temp\TH28E4.tmp, PE32 10->76 dropped 78 2 other malicious files 10->78 dropped 134 Detected unpacking (creates a PE file in dynamic memory) 10->134 136 Found strings related to Crypto-Mining 10->136 138 Found API chain indicative of debugger detection 10->138 146 8 other signatures 10->146 21 cmd.exe 1 10->21         started        24 powershell.exe 23 10->24         started        26 cmd.exe 10->26         started        37 15 other processes 10->37 140 Suspicious powershell command line found 15->140 142 Obfuscated command line found 15->142 29 powershell.exe 15->29         started        144 Antivirus detection for dropped file 17->144 31 WerFault.exe 17->31         started        33 WerFault.exe 19->33         started        35 WerFault.exe 19->35         started        file6 signatures7 process8 dnsIp9 106 Suspicious powershell command line found 21->106 108 Obfuscated command line found 21->108 110 Uses ping.exe to sleep 21->110 112 Uses ping.exe to check the status of other devices and networks 21->112 39 conhost.exe 21->39         started        41 ReAgentc.exe 21->41         started        114 Found suspicious powershell code related to unpacking or dynamic code loading 24->114 116 Loading BitLocker PowerShell Module 24->116 43 conhost.exe 24->43         started        96 79.110.49.240, 3333, 49750 OTAVANET-ASCZ Germany 26->96 118 Query firmware table information (likely to detect VMs) 26->118 120 Writes to foreign memory regions 29->120 122 Creates a thread in another existing process (thread injection) 29->122 124 Injects a PE file into a foreign processes 29->124 45 winlogon.exe 29->45 injected 48 conhost.exe 29->48         started        50 PING.EXE 37->50         started        53 conhost.exe 37->53         started        55 conhost.exe 37->55         started        57 15 other processes 37->57 signatures10 126 Detected Stratum mining protocol 96->126 process11 dnsIp12 148 Injects code into the Windows Explorer (explorer.exe) 45->148 150 Drops executables to the windows directory (C:\Windows) and starts them 45->150 152 Contains functionality to inject code into remote processes 45->152 154 4 other signatures 45->154 59 Win-v21.exe 45->59         started        62 lsass.exe 45->62 injected 64 svchost.exe 45->64 injected 66 5 other processes 45->66 86 8.8.8.8 GOOGLEUS United States 50->86 signatures13 process14 signatures15 130 Antivirus detection for dropped file 59->130 68 WerFault.exe 59->68         started        132 Writes to foreign memory regions 62->132 process16 dnsIp17 88 s-part-0043.t-0009.t-msedge.net 13.107.246.71, 443, 49734, 49754 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 68->88 128 Creates files in the system32 config directory 68->128 signatures18
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-05-09 01:43:11 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution exploit persistence
Behaviour
Modifies data under HKEY_USERS
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
System Time Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
Looks up external IP address via web service
Power Settings
Executes dropped EXE
Modifies file permissions
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Looks for VMWare Tools registry key
Possible privilege escalation attempt
Looks for VirtualBox Guest Additions in registry
Verdict:
Malicious
Tags:
cryptojacking coinminer
YARA:
CoinMiner_Strings
Unpacked files
SH256 hash:
2c7f2e50a308b52a3d037d377e083204e89b143bb74742fda15fb94ad8fd95d0
MD5 hash:
27184c62732be20078f490eb9320c1aa
SHA1 hash:
e71f67e009aa3e3f0b0083600f739263c89c4419
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:Check_VBox_Guest_Additions
Rule name:Check_VmTools
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CoinMiner_Strings
Author:Florian Roth (Nextron Systems)
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
Rule name:CoinMiner_Strings_RID2DDE
Author:Florian Roth
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

CoinMiner

Executable exe 2c7f2e50a308b52a3d037d377e083204e89b143bb74742fda15fb94ad8fd95d0

(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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WINHTTP.dll::WinHttpCloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceExA
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileTransactedW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetTempFileNameW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect
WINHTTP.dll::WinHttpOpen
WINHTTP.dll::WinHttpOpenRequest
WINHTTP.dll::WinHttpReadData
WINHTTP.dll::WinHttpReceiveResponse
WINHTTP.dll::WinHttpSendRequest
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExW

Comments