MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6191c6a038f6d49e6941f00ded6a45cf3050ff0a2ecea3a3b3b462dc580f352. 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



DarkComet


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: b6191c6a038f6d49e6941f00ded6a45cf3050ff0a2ecea3a3b3b462dc580f352
SHA3-384 hash: 4418c97c544384164801ebb32d3c5da4fc5fa210be8b6a5424637a132e10ad8dc5fa8185844ff1bbfec38cfa3db66a52
SHA1 hash: fcdaed8c771069c111afb78bd1d2ebaeb28a6688
MD5 hash: f88cdbcb740a75972cfef27692239991
humanhash: kilo-nitrogen-nebraska-mobile
File name:Purchase Order 461.exe
Download: download sample
Signature DarkComet
File size:2'107'904 bytes
First seen:2021-09-17 13:31:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash baa93d47220682c04d92f7797d9224ce (139 x RiseProStealer, 26 x Xtrat, 18 x CoinMiner)
ssdeep 49152:f0PlF5VhfpvYkTjRwxoBdZDDmv6AKyEQclewdd5/l+:fURvYeRxTjmDwdd
Threatray 132 similar samples on MalwareBazaar
TLSH T168A5E0F1516AC1C3F2E69DB11FCE8670B4F07ABCD8D8125D61D8AA25C2A27A410DD2FD
dhash icon ecec94c4c4c4c4d4 (1 x DarkComet)
Reporter Anonymous
Tags:DarkComet exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
867
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 461.exe
Verdict:
Malicious activity
Analysis date:
2021-09-17 13:32:55 UTC
Tags:
n/a

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

Behaviour
Creating a window
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
DNS request
Connection attempt to an infection source
Query of malicious DNS domain
Enabling autorun
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Threat name:
DarkComet
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
PE file contains section with special chars
Sample uses process hollowing technique
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to evade analysis by execution special instruction which cause usermode exception
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.Themida
Status:
Malicious
First seen:
2021-09-17 13:32:46 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  1/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
family:darkcomet botnet:september 2021 evasion persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks BIOS information in registry
Identifies Wine through registry keys
Uses the VBS compiler for execution
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Darkcomet
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
bonding79.ddns.net:3316
goodgt79.ddns.net:3316
whatis79.ddns.net:3316
smath79.ddns.net:3316
jacknop79.ddns.net:3316
chrisle79.ddns.net:3316
Unpacked files
SH256 hash:
12d103fa3bfad5c603d58f83f104954450fae7f00a529773f843085779116c43
MD5 hash:
e4fa6eabf2702c025fd6dc17aac43353
SHA1 hash:
92805a44c6209ec67140bb9fb04cac246419ad31
SH256 hash:
4bc03c66976f669e87afbb27e3e62337c607d772b41bcbe4b9b6c9ade7629314
MD5 hash:
22d4ac099807b4d03c19044c87f59548
SHA1 hash:
526a1e2dd85a48b8c9f9734fb5f6682612ff25ab
Detections:
win_darkcomet_g0 win_darkcomet_auto
SH256 hash:
b6191c6a038f6d49e6941f00ded6a45cf3050ff0a2ecea3a3b3b462dc580f352
MD5 hash:
f88cdbcb740a75972cfef27692239991
SHA1 hash:
fcdaed8c771069c111afb78bd1d2ebaeb28a6688
Malware family:
DarkComet
Verdict:
Malicious
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:Intezer_Vaccine_DarkComet
Author:Intezer Labs
Description:Automatic YARA vaccination rule created based on the file's genes
Reference:https://analyze.intezer.com
Rule name:Malware_QA_update
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:Malware_QA_update_RID2DAD
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:pe_imphash
Rule name:RAT_DarkComet
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_darkcomet_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Distributed via e-mail link

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