MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7333c98b0d4fac43070b0b17fb185a1934925d1be959cead7d44445abf84df7. 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

SHA256 hash: f7333c98b0d4fac43070b0b17fb185a1934925d1be959cead7d44445abf84df7
SHA3-384 hash: cb49d9cdc48d2cceba6bb0a4d6b70ee88ad637d98f3d5f64e37e60b1f5bc5b6e887e0880c725e900ef788e454660b1bf
SHA1 hash: c1b4d65926f8145550cc158c20c11c25c47abe10
MD5 hash: b83713d149bf6900704df7e95b537234
humanhash: edward-papa-kitten-venus
File name:b83713d149bf6900704df7e95b537234.exe
Download: download sample
Signature DarkComet
File size:671'744 bytes
First seen:2021-10-06 09:33:07 UTC
Last seen:2021-10-06 11:13:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Lfbm0qY0JlUTqD6y/dFU9VpZEWHNii4Q3KUtHA1g8r7i604EY51bjtpNmTV:LSYPvyq9/ZEKmQ6UtnI351bjtK
TLSH T167E42302D3E68474C42FEE3FE51EF3E61F84580819A5CB2493B900652EB77F785AB568
File icon (PE):PE icon
dhash icon d1d26b951536315c (1 x DarkComet)
Reporter abuse_ch
Tags:DarkComet exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
971
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b83713d149bf6900704df7e95b537234.exe
Verdict:
Malicious activity
Analysis date:
2021-10-06 09:35:46 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
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
Result
Threat name:
DarkComet
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected DarkComet
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 497830 Sample: FD107t7OQ4.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 5 other signatures 2->72 8 FD107t7OQ4.exe 8 2->8         started        11 cssrr.exe 2->11         started        14 cssrr.exe 3 2->14         started        16 cssrr.exe 3 2->16         started        process3 file4 60 C:\Users\user\AppData\Roaming\...\cssrr.exe, PE32 8->60 dropped 62 C:\Users\user\AppData\...\FD107t7OQ4.exe.log, ASCII 8->62 dropped 18 cssrr.exe 2 4 8->18         started        21 cmd.exe 1 8->21         started        84 Injects a PE file into a foreign processes 11->84 24 cmd.exe 11->24         started        34 3 other processes 11->34 26 cmd.exe 1 14->26         started        28 cssrr.exe 1 14->28         started        30 cssrr.exe 14->30         started        32 cmd.exe 16->32         started        36 2 other processes 16->36 signatures5 process6 file7 74 Antivirus detection for dropped file 18->74 76 Multi AV Scanner detection for dropped file 18->76 78 Machine Learning detection for dropped file 18->78 80 Injects a PE file into a foreign processes 18->80 38 cssrr.exe 3 18->38         started        42 cmd.exe 1 18->42         started        44 cssrr.exe 18->44         started        56 C:\Users\...\FD107t7OQ4.exe:Zone.Identifier, ASCII 21->56 dropped 46 conhost.exe 21->46         started        58 C:\Users\user\...\cssrr.exe:Zone.Identifier, ASCII 24->58 dropped 48 conhost.exe 24->48         started        50 conhost.exe 26->50         started        52 conhost.exe 32->52         started        signatures8 process9 dnsIp10 64 sommerishere.sytes.net 212.192.246.92, 1678, 49748, 49786 RHC-HOSTINGGB Russian Federation 38->64 82 Installs a global keyboard hook 38->82 54 conhost.exe 42->54         started        signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-10-06 07:43:17 UTC
AV detection:
24 of 44 (54.55%)
Threat level:
  5/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
family:darkcomet botnet:guest16 persistence rat trojan
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:
6c3a504d46a111eb968b7b107e545c8e8927dc6832c74bcd1d30055c379d8dc9
MD5 hash:
318b7165febdd1a1d1470d3b239b3a0b
SHA1 hash:
c5e39fa380b7286e970364c2fdb5fa07a13b433f
Detections:
win_darkcomet_g0 win_darkcomet_auto
SH256 hash:
f7333c98b0d4fac43070b0b17fb185a1934925d1be959cead7d44445abf84df7
MD5 hash:
b83713d149bf6900704df7e95b537234
SHA1 hash:
c1b4d65926f8145550cc158c20c11c25c47abe10
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:MALWARE_Win_DarkComet
Author:ditekSHen
Description:Detects DarkComet
Rule name:pe_imphash
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.

Web download

DarkComet

Executable exe f7333c98b0d4fac43070b0b17fb185a1934925d1be959cead7d44445abf84df7

(this sample)

  
Delivery method
Distributed via web download

Comments