MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301
SHA3-384 hash: 3155283ffa08e51575e0c3eb37c321079a4c7e8bf76a02fb397809f07e5f25b81725f88bdf6be82618cbbb85195badc9
SHA1 hash: 5f4efe013409e483b0d98d5d913f5ca22c609301
MD5 hash: 8f96ab46a0be45d68388cc02c8f0e18d
humanhash: fourteen-grey-fifteen-mockingbird
File name:2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301
Download: download sample
Signature DarkComet
Create hunting rule
File size:1'584'128 bytes
First seen:2021-02-28 07:11:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ztb20pkaCqT5TBWgNQ7aa1ZBkSBkTR0JFBHN0f45tyi1PwjRkC6A:qVg5tQ7aEZBET2xN0fKtT1Pk5
Threatray 1'016 similar samples on MalwareBazaar
TLSH 4E75D02273DE83A4C77252737A257711AE7B7C2905A5F41B2FD43D3EB930222125EA63
Reporter JAMESWT_WT
Tags:DarkComet RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
927
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301
Verdict:
Malicious activity
Analysis date:
2021-02-28 09:15:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8b8ac5c7-52c5-4c1f-bb0f-9aadf7cf4f33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkComet
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119828/
Detection(s):
SecuriteInfo.com.AutoIT-92.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621096
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the document folder of the user
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359541 Sample: gk2ZyyYyXt Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 57 ronaldoqq.duckdns.org 2->57 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 4 other signatures 2->67 9 gk2ZyyYyXt.exe 1 2 2->9         started        12 gk2ZyyYyXt.exe 1 2->12         started        14 gk2ZyyYyXt.exe 1 2->14         started        16 2 other processes 2->16 signatures3 process4 signatures5 83 Binary is likely a compiled AutoIt script file 9->83 85 Creates autostart registry keys with suspicious names 9->85 87 Creates multiple autostart registry keys 9->87 18 vbc.exe 1 3 9->18         started        89 Writes to foreign memory regions 12->89 91 Allocates memory in foreign processes 12->91 93 Injects a PE file into a foreign processes 12->93 22 vbc.exe 3 3 12->22         started        25 vbc.exe 14->25         started        27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        process6 dnsIp7 55 C:\Users\user\Documents\MSDCSC\msdcsc.exe, PE32 18->55 dropped 69 Drops PE files to the document folder of the user 18->69 71 Creates an undocumented autostart registry key 18->71 73 Creates multiple autostart registry keys 18->73 31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        35 msdcsc.exe 1 18->35         started        59 ronaldoqq.duckdns.org 95.173.249.152, 1604 MILLENICOM-ASDE Turkey 22->59 75 Changes security center settings (notifications, updates, antivirus, firewall) 22->75 77 Writes to foreign memory regions 22->77 79 Allocates memory in foreign processes 22->79 81 2 other signatures 22->81 37 notepad.exe 22->37         started        39 iexplore.exe 22->39         started        41 explorer.exe 22->41         started        43 WerFault.exe 25->43         started        file8 signatures9 process10 process11 45 conhost.exe 31->45         started        47 attrib.exe 1 31->47         started        49 conhost.exe 33->49         started        51 attrib.exe 1 33->51         started        53 conhost.exe 35->53         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301/
Threat name:
Win32.Trojan.Scrarev
Create hunting rule
Status:
Malicious
First seen:
2021-02-26 08:35:36 UTC
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ezb7xk7wpx7a3y2hsunilbvg3fcwcdfx5zgkzut4job35e5lumaq._file
Verdict:
malicious
Similar samples:
0a44ee4a63f01378570de7668ee2daa17534d296a6ff2c45bc14d8f9b07bb837
DarkComet
0af91caf5bfd256133203be73629b6fc15dda3a6d11b007549babf7118763cfe
DarkComet
1656c8b0d2cf6a2c990f87b2774a242cccc62ce6b9cd725cc5d5b3ef46585734
DarkComet
17ae41e1fde622159bcfd56e80ce0cdee5edfc147370e77091f17eed192d54e0
DarkComet
1f9ff29afc60eebf41511416db4988007f3d041744574ac144f88eaf82e52b25
DarkComet
5f788a4f3f135a5a5533ed8f83871369850b790f9114ecd672421f171a9b8000
DarkComet
78b1751491463b0d579eda079654d1dfb9296b98e2867b4fdc765256e5962398
DarkComet
9425f9a54ad43dca39af1cd5f86eb4570927c5ee5d21cbe69e9ed2774fc1f676
DarkComet
9a2ffcf3f6be8f2fb3ea792c854fbe72e907c99391ded77733a1401d4d168e9e
DarkComet
f8166e1205c9dd0761f42f47c8d3e3c944b72b1fd3713a0383040f263987a649
DarkComet
+ 1'006 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet persistence rat trojan
Link:
https://tria.ge/reports/210228-vgtpbm7qga/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
Darkcomet
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
7886a5b31172503a065462c3341e2fb78c1f4cff1139956ce9b0f2fded6f6acf
MD5 hash:
a9728d7751638fa4180b356d6c19c83c
SHA1 hash:
2ba83a1fd36512ff9cc46c5d7cdad7132cc53193
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_auto
Create hunting rule
Link:
https://www.unpac.me/results/2f04b460-bf19-4045-aaa0-c36b9fcecda9/
SH256 hash:
2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301
MD5 hash:
8f96ab46a0be45d68388cc02c8f0e18d
SHA1 hash:
5f4efe013409e483b0d98d5d913f5ca22c609301
Link:
https://www.unpac.me/results/2f04b460-bf19-4045-aaa0-c36b9fcecda9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DarkComet
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2643fbabf67dfe0de347951a8586a6d945610cb7ee4cacd27c4b83be93aba301

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:Intezer_Vaccine_DarkComet
Create hunting rule
Author:Intezer Labs
Description:Automatic YARA vaccination rule created based on the file's genes
Reference:https://analyze.intezer.com
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Malware_QA_update
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:RAT_DarkComet
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
Rule name:win_darkcomet_a0
Create hunting rule
Author:David Cannings
Description:Strings from the Dark Comet 5.2 stub
Rule name:win_darkcomet_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_darkcomet_g0
Create hunting rule
Author:Kevin Breen / Jean-Philippe Teissier / botherder / Florian Roth / David Cannings / Slavo Greminger, SWITCH-CERT

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/119828/

Comments