MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cafc9c8dfd619014def47bb4a50931adf151c3733ea793fd157111a4c90b490. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: 4cafc9c8dfd619014def47bb4a50931adf151c3733ea793fd157111a4c90b490
SHA3-384 hash: 448b7e82d4d881fb044e504566a467225da1024a36d6aee54072305de92ff8ae42f2a602640e1cd761508382aef9efa5
SHA1 hash: dfb302d494e49b6e9acbfdaafdb8c41cbc8af74a
MD5 hash: e37d6198c70e5afd689c46462953502d
humanhash: whiskey-sodium-low-lake
File name:file
Download: download sample
Signature CoinMiner
File size:3'539'968 bytes
First seen:2023-01-30 10:21:53 UTC
Last seen:2023-01-30 12:49:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2fc7a12e90910be08d17fbe85da4f0d4 (1 x CoinMiner)
ssdeep 24576:OE3UEIY3GQgmQUnQQQQQQQQQQQQzdGs2JQj2d3hHgSDGEMPglv8ktcGy0PRpM0PX:OE3Uq6gc39tMMReGyEhsjCJW2o8MS
Threatray 4'833 similar samples on MalwareBazaar
TLSH T11FF53D2D77B9DC30E405A9BBC69185B2D506EC31E923CA5B3544FF99B836F9012F138A
File icon (PE):PE icon
dhash icon b2f0f08acab2b296 (3 x CoinMiner, 1 x RedLineStealer)
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from http://lara.amiyon.com/svcrun.exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-30 10:24:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for analyzing tools
Сreating synchronization primitives
Launching a process
Creating a file
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed shell32.dll
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Detected unpacking (changes PE section rights)
DNS related to crypt mining pools
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Xmrig
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
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 signatures2 2 Behavior Graph ID: 794213 Sample: file.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 34 Sigma detected: Xmrig 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 4 other signatures 2->40 7 file.exe 14 8 2->7         started        12 SRIKA.exe 2->12         started        process3 dnsIp4 30 179.43.140.229, 49696, 80 PLI-ASCH Panama 7->30 28 C:\ProgramData\versionApp\SRIKA.exe, PE32+ 7->28 dropped 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->42 44 Sets debug register (to hijack the execution of another thread) 7->44 46 Writes to foreign memory regions 7->46 54 3 other signatures 7->54 14 vbc.exe 7->14         started        18 cmd.exe 1 7->18         started        20 powershell.exe 20 7->20         started        48 Detected unpacking (changes PE section rights) 12->48 50 Tries to detect sandboxes and other dynamic analysis tools (window names) 12->50 52 Tries to evade debugger and weak emulator (self modifying code) 12->52 file5 signatures6 process7 dnsIp8 32 xmr-eu1.nanopool.org 51.68.190.80, 14433, 49697 OVHFR France 14->32 56 Query firmware table information (likely to detect VMs) 14->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 18->58 22 conhost.exe 18->22         started        24 schtasks.exe 1 18->24         started        26 conhost.exe 20->26         started        signatures9 process10
Threat name:
Win64.Trojan.Tasker
Status:
Malicious
First seen:
2023-01-30 10:22:14 UTC
File Type:
PE+ (Exe)
Extracted files:
208
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig miner
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
.NET Reactor proctector
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
4cafc9c8dfd619014def47bb4a50931adf151c3733ea793fd157111a4c90b490
MD5 hash:
e37d6198c70e5afd689c46462953502d
SHA1 hash:
dfb302d494e49b6e9acbfdaafdb8c41cbc8af74a
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:BAZT_B5_NOCEXInvalidStream
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:win_xfilesstealer_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

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