MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99870955e988faaf5dd449b8470ff7bfb8ac7aa4819df8843d4778ae8a59d034. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 99870955e988faaf5dd449b8470ff7bfb8ac7aa4819df8843d4778ae8a59d034
SHA3-384 hash: ee426d1b313ddb93dafe3f8fc279ace8d011a97a891c480bc28697b8017f17496fe5dbe6ddf0954cda512812788372d4
SHA1 hash: 50412e7b7b23f08802c4a8ca433cec5fbc15abd3
MD5 hash: 6e8192c0bad137cfd8e0a7279570aa10
humanhash: lamp-leopard-oxygen-nine
File name:xrangerwh.bin
Download: download sample
Signature DarkComet
File size:674'304 bytes
First seen:2022-06-18 17:05:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e5b4359a3773764a372173074ae9b6bd (60 x DarkComet, 2 x njrat, 1 x NanoCore)
ssdeep 12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/he:+Z1xuVVjfFoynPaVBUR8f+kN10EBQ
Threatray 206 similar samples on MalwareBazaar
TLSH T125E48E31F1808837D97219789C5F92E6982A7E202E39754B3AE62F4C5F3D6C239193D7
TrID 20.2% (.EXE) Win32 Executable Delphi generic (14182/79/4)
18.7% (.SCR) Windows screen saver (13101/52/3)
15.0% (.EXE) Win64 Executable (generic) (10523/12/4)
14.2% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
9.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter KdssSupport
Tags:DarkComet exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
577
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
darkcomet
ID:
1
File name:
xrangerwh.exe
Verdict:
Malicious activity
Analysis date:
2022-06-18 17:01:10 UTC
Tags:
trojan rat darkcomet

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

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe darkcomet explorer.exe greyware keylogger rat
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:
Darkcomet
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes
Contains functionalty to change the wallpaper
Creates an undocumented autostart registry key
Detected Darkcomet RAT
Drops PE files to the document folder of the user
Found evasive API chain (may stop execution after checking mutex)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Yara detected DarkComet
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.DarkComet
Status:
Malicious
First seen:
2022-06-18 17:06:12 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
38 of 40 (95.00%)
Threat level:
  5/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
family:darkcomet botnet:taahasazann persistence rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Darkcomet
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
4.tcp.ngrok.io:14402
Unpacked files
SH256 hash:
99870955e988faaf5dd449b8470ff7bfb8ac7aa4819df8843d4778ae8a59d034
MD5 hash:
6e8192c0bad137cfd8e0a7279570aa10
SHA1 hash:
50412e7b7b23f08802c4a8ca433cec5fbc15abd3
Detections:
win_darkcomet_g0 win_darkcomet_auto win_darkcomet_a0
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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:MALWARE_Win_DarkComet
Author:ditekSHen
Description:Detects DarkComet
Rule name:RAT_DarkComet
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
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.

Comments