MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e
SHA3-384 hash: a05f6027c5e0c62b571e7f0e92f55d01cb49a8f5895bc479489645febcd00e5782da4f8b5a2fdabdfe7c493622daec4d
SHA1 hash: 51ee0b83d6511b0d02dff15b487adfcf8341723c
MD5 hash: d73ba6325f6132940c69014c440444dc
humanhash: green-texas-victor-lactose
File name:d73ba6325f6132940c69014c440444dc.exe
Download: download sample
Signature DarkComet
Create hunting rule
File size:765'952 bytes
First seen:2021-10-06 09:32:31 UTC
Last seen:2021-10-06 11:13:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:c08RDd6xKA94wNi42fptD9QUuSpsfGN8MoqinFR1nhB5S0TYqO9yNam6X/eZaNw/:cjDnA9X8bfptD9Q7Spya1oF/1n4IYqpF
Threatray 164 similar samples on MalwareBazaar
TLSH T1CEF433AC480EC618EB7B31BED53CE5DAC176370E6EDE8878644E45255A93FF11B38490
Reporter abuse_ch
Tags:DarkComet exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
973
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d73ba6325f6132940c69014c440444dc.exe
Verdict:
Malicious activity
Analysis date:
2021-10-06 09:53:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/07dc9616-d2a8-4496-bc14-8b598fa420c0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/195433/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader11.21841.18227.8965.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Changing the Zone.Identifier stream
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615d6d50e3d213d202b8588b/reports/21459f7d-39e7-46fa-8d5f-a063850b7755/overview
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d5402dfe-4576-463a-82ae-a89c31cbed99
Result
Threat name:
DarkComet
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865407
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 497838 Sample: KQFcOzQVbF.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 4 other signatures 2->66 8 KQFcOzQVbF.exe 8 2->8         started        11 cssrr.exe 3 2->11         started        14 cssrr.exe 3 2->14         started        16 cssrr.exe 2->16         started        process3 file4 52 C:\Users\user\AppData\Roaming\...\cssrr.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\...\KQFcOzQVbF.exe.log, ASCII 8->54 dropped 18 cssrr.exe 2 4 8->18         started        21 cmd.exe 1 8->21         started        76 Injects a PE file into a foreign processes 11->76 24 cmd.exe 11->24         started        26 cssrr.exe 11->26         started        28 cmd.exe 1 14->28         started        30 cssrr.exe 1 14->30         started        signatures5 process6 file7 68 Antivirus detection for dropped file 18->68 70 Multi AV Scanner detection for dropped file 18->70 72 Machine Learning detection for dropped file 18->72 74 Injects a PE file into a foreign processes 18->74 32 cssrr.exe 3 18->32         started        36 cmd.exe 1 18->36         started        38 cssrr.exe 18->38         started        48 C:\Users\...\KQFcOzQVbF.exe:Zone.Identifier, ASCII 21->48 dropped 40 conhost.exe 21->40         started        50 C:\Users\user\...\cssrr.exe:Zone.Identifier, ASCII 24->50 dropped 42 conhost.exe 24->42         started        44 conhost.exe 28->44         started        signatures8 process9 dnsIp10 56 sommerishere.sytes.net 212.192.246.92, 1678, 49782 RHC-HOSTINGGB Russian Federation 32->56 58 Installs a global keyboard hook 32->58 46 conhost.exe 36->46         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e/
Threat name:
ByteCode-MSIL.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2021-10-06 09:33:13 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mooyjbsa7tyons6ryymuwxsrls2kstf2gkiikiiisyrdh5suy6pa._file
Verdict:
malicious
Similar samples:
5a1c8ef15cccd50082c6862f1df8fccc40cfa7b94e7710caaf60751c714c6cb1
DarkComet
5daf38ba7d08872375f14a3d8de794d20aa37e1caeda4da0558e2a9cd4ed668a
DarkComet
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a
DarkComet
79ad6abe442b9e7120ca8b44d9c5f4a187d67d27d25d7ce2be64f011431633a0
DarkComet
843495a7b1864d2053d8d5079f0323e2af684559f73bea1c09d0a44f63d880c5
DarkComet
9c3c6bbc7a17f82520d093369374ab9b15cfdbb8b5451f976fc5939670cbf257
DarkComet
b13b73296a76348fa21f9d6120e93b0e6788dd1e0ffe245c23313384db089fd6
DarkComet
f696bb0ca1c8c2d9fc4a65cacafd614945e657c262926d34f18dfe4a958ced7d
DarkComet
+ 154 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet botnet:guest16 persistence rat trojan
Link:
https://tria.ge/reports/211006-lkfqlabbhl/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Darkcomet
Malware Config
C2 Extraction:
sommerishere.sytes.net:1678
ommerishere.sytes.net:1678
ommerishere.sytes.net:1679
Unpacked files
SH256 hash:
77cb2d2444989d1c9fdc8ebb72fb895b4cd16e99d9e00cb54395572326259f21
MD5 hash:
20b004edb95bceaed59c5a1efc74552d
SHA1 hash:
721ed3f126f7fbed8cbc48972c5f75c6c3878de3
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_auto
Create hunting rule
Link:
https://www.unpac.me/results/b1a7a9af-4e91-4f42-83a5-3b891a996f46/
Parent samples :
843495a7b1864d2053d8d5079f0323e2af684559f73bea1c09d0a44f63d880c5
79ad6abe442b9e7120ca8b44d9c5f4a187d67d27d25d7ce2be64f011431633a0
6d9c353dc658f47d47d01c5e58d60b562cea4f2d22c233ea46913d0b5596113a
0f325763031ca17f78bce86d8f433325786b329d2fc2412d61e4fdd3db6d1acb
639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e
e72099ecd524f1e9bf60fec166471d0504a86ae5c9a45f9fb8ad79c8de0929dc
e0fbceff5394bb7d6fd37ff2c9a12208145c50bf11702905ec1044d27d0c83d4
SH256 hash:
3c013d25db53687ae1b99af7cf08468064fc55986a66a7fc861a1d0b704262ab
MD5 hash:
ca2f2b8622e50f5123dc6d3c453cc01f
SHA1 hash:
6468b6a024c7eaef981499976f62b4657ec396a6
Link:
https://www.unpac.me/results/b1a7a9af-4e91-4f42-83a5-3b891a996f46/
SH256 hash:
639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e
MD5 hash:
d73ba6325f6132940c69014c440444dc
SHA1 hash:
51ee0b83d6511b0d02dff15b487adfcf8341723c
Link:
https://www.unpac.me/results/b1a7a9af-4e91-4f42-83a5-3b891a996f46/
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/639d848640fc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e

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
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:Malware_QA_update
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:Malware_QA_update_RID2DAD
Create hunting rule
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:MALWARE_Win_DarkComet
Create hunting rule
Author:ditekSHen
Description:Detects DarkComet
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

File information

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

Web download

DarkComet

Executable exe 639d848640fcf0e6cbd1c6194b5e515cb4a94cba3290852108962233f654c79e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1655619/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1655618/
Cape
Cape
https://www.capesandbox.com/analysis/195433/

Comments