MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6622a436cb33c1ee6a116580b12a39097eb4d566137705060e8bc3d02d2e43e. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments

SHA256 hash: b6622a436cb33c1ee6a116580b12a39097eb4d566137705060e8bc3d02d2e43e
SHA3-384 hash: ac06242bbc5d5dc52796d8194423bb505890b88a52adc7f5f5ad8fcb2a138ba88c2038a9b08abaa90119528ef358427d
SHA1 hash: f84b7a020c221879744427f34c1957b4a52fc998
MD5 hash: 529ecbed8bf3ff5e1c4b613f36ab4758
humanhash: equal-cat-bakerloo-alaska
File name:529ecbed8bf3ff5e1c4b613f36ab4758.exe
Download: download sample
Signature CoinMiner
File size:3'568'440 bytes
First seen:2023-03-28 17:52:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f0aa5246671bac81facee87baa42ea8 (5 x CoinMiner)
ssdeep 98304:OK1xSdXvKNmorEZCXZcVrx5EibycA63ZZQi/hmnbpHWw:xmohXZyTl+d63pmVb
Threatray 2'282 similar samples on MalwareBazaar
TLSH T121F5330E28929831D797DA70623A0B9217D7C225FAD456B31417C0E7CDF3D1BBA7A48B
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
529ecbed8bf3ff5e1c4b613f36ab4758.exe
Verdict:
Malicious activity
Analysis date:
2023-03-28 17:57:58 UTC
Tags:
miner

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
Launching a process
Сreating synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
MALICIOUS
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
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Snort IDS alert for network traffic
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: 836638 Sample: wk1lMvJGNW.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Sigma detected: Xmrig 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 6 other signatures 2->50 7 wk1lMvJGNW.exe 14 7 2->7         started        12 WBGRGV.exe 2->12         started        14 svchost.exe 2->14         started        16 13 other processes 2->16 process3 dnsIp4 42 179.43.140.229, 49758, 80 PLI-ASCH Panama 7->42 36 C:\ProgramData\portableWin\WBGRGV.exe, PE32+ 7->36 dropped 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->56 58 Sets debug register (to hijack the execution of another thread) 7->58 60 Writes to foreign memory regions 7->60 70 4 other signatures 7->70 18 vbc.exe 7->18         started        22 cmd.exe 1 7->22         started        24 powershell.exe 20 7->24         started        62 Tries to detect sandboxes and other dynamic analysis tools (window names) 12->62 64 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 12->64 66 Changes security center settings (notifications, updates, antivirus, firewall) 14->66 26 MpCmdRun.exe 1 14->26         started        68 Query firmware table information (likely to detect VMs) 16->68 file5 signatures6 process7 dnsIp8 38 51.68.143.81, 14433, 49759 OVHFR France 18->38 40 xmr-eu1.nanopool.org 18->40 52 Query firmware table information (likely to detect VMs) 18->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 22->54 28 conhost.exe 22->28         started        30 schtasks.exe 1 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        signatures9 process10
Threat name:
Win64.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-03-28 11:50:48 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
15 of 36 (41.67%)
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
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
.NET Reactor proctector
Uses the VBS compiler for execution
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
b6622a436cb33c1ee6a116580b12a39097eb4d566137705060e8bc3d02d2e43e
MD5 hash:
529ecbed8bf3ff5e1c4b613f36ab4758
SHA1 hash:
f84b7a020c221879744427f34c1957b4a52fc998
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:win_xfilesstealer_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.
Rule name:XWorm_Hunter
Author:Potato

File information


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

Web download

CoinMiner

Executable exe b6622a436cb33c1ee6a116580b12a39097eb4d566137705060e8bc3d02d2e43e

(this sample)

  
Delivery method
Distributed via web download

Comments