MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4
SHA3-384 hash: 0c0b798924f211881cb8d081e626475bf8b64b4106b80358b67fa11dcb20f6967114aa2915c6fcf9ae1dcc1111e10bc0
SHA1 hash: 911bf6cd99b4fce96c160fc31f48d5e7536c649c
MD5 hash: 51d37af9feb2a687d02180cd6231dd3a
humanhash: eighteen-north-single-avocado
File name:76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4
Download: download sample
Signature DarkComet
Create hunting rule
File size:258'048 bytes
First seen:2021-08-31 06:52:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a38ad86d74cafc45094a5085e33419e4 (109 x DarkComet, 1 x njrat)
ssdeep 6144:+cNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:+cW7KEZlPzCy37
Threatray 131 similar samples on MalwareBazaar
TLSH T1474422A5BBC59C43FAFAAEBC061D0F14570833EF2EEE82919F24434831A5A56175363D
Reporter JAMESWT_WT
Tags:DarkComet exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
829
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:38:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/95ba244a-e617-4de8-881f-21704e7488ae

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/184040/
Detection(s):
PUA.Win.Packer.Upx-49
Create hunting rule

PUA.Win.Packer.UpxProtector-1
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Win.Trojan.Darkkomet-6745294-0
Create hunting rule

Win.Trojan.DarkKomet-1
Create hunting rule

PUA.Win.Packer.Exe-6
Create hunting rule

Win.Trojan.Darkkomet-7113180-0
Create hunting rule

Win.Dropper.Zeus-9820070-0
Create hunting rule

Win.Dropper.Darkkomet-9857869-0
Create hunting rule

Win.Trojan.Darkkomet-9857871-0
Create hunting rule

Win.Malware.Darkkomet-9857872-0
Create hunting rule

PUA.Win.Packer.PrivateEXEProtector4-6192998-2
Create hunting rule

Win.Trojan.Darkkomet-6745084-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Enabling the 'hidden' option for recently created files
Launching cmd.exe command interpreter
Creating a process with a hidden window
Creating a process from a recently created file
Launching a process
Setting a keyboard event handler
DNS request
Connection attempt
Searching for the window
Searching for the Windows task manager window
Enabling the 'hidden' option for analyzed file
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Blocking a possibility to launch for the Windows registry editor (regedit.exe)
Firewall traversal
Blocking the User Account Control
Blocking the Windows Security Center notifications
Blocking the Windows Security Center launch
Enabling autorun
Unauthorized injection to a system process
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/415433af-5339-48ca-987a-0ffc6a10dd4e
Result
Threat name:
DarkComet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842305
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Disables the Windows registry editor (regedit)
Disables the Windows task manager (taskmgr)
Disables UAC (registry)
Disables windows user account control
Drops PE files to the document folder of the user
Found malware configuration
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
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474738 Sample: FEbTK0QfJ7 Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 44 6.tcp.ngrok.io 2->44 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 4 other signatures 2->62 8 FEbTK0QfJ7.exe 1 4 2->8         started        12 msdcsc.exe 2->12         started        14 msdcsc.exe 2->14         started        signatures3 process4 file5 34 C:\Users\user\Documents\MSDCSC\msdcsc.exe, PE32 8->34 dropped 36 C:\Users\user\...\msdcsc.exe:Zone.Identifier, ASCII 8->36 dropped 64 Drops PE files to the document folder of the user 8->64 66 Creates an undocumented autostart registry key 8->66 68 Contains functionalty to change the wallpaper 8->68 70 4 other signatures 8->70 16 msdcsc.exe 6 3 8->16         started        20 cmd.exe 1 8->20         started        22 cmd.exe 1 8->22         started        signatures6 process7 dnsIp8 38 18.189.106.45, 19207, 49752, 49754 AMAZON-02US United States 16->38 40 6.tcp.ngrok.io 3.132.159.158, 19207, 49701, 49704 AMAZON-02US United States 16->40 42 2 other IPs or domains 16->42 46 Antivirus detection for dropped file 16->46 48 Multi AV Scanner detection for dropped file 16->48 50 Contains functionalty to change the wallpaper 16->50 54 11 other signatures 16->54 24 notepad.exe 16->24         started        52 Uses cmd line tools excessively to alter registry or file data 20->52 26 conhost.exe 20->26         started        28 attrib.exe 1 20->28         started        30 conhost.exe 22->30         started        32 attrib.exe 1 22->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4/
Threat name:
Win32.Backdoor.DarkComet
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 10:47:17 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
43 of 46 (93.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3z7ch3o3wsud7dx54rvjzprthnyyvitwpgpkxlc3v6wjnmikdca._file
Verdict:
malicious
Similar samples:
074193e6032463916cca5208b1dd4eaea758dfb41684888438e01cc7c8bf795f
DarkComet
1ba1a86e6f5e0e1e2f1a596018465345a90822163264c05647e8155edb88ce64
DarkComet
445bc3da96e63745748cc4d7d14faaa80122f46bc86e2a4628956f5aea4b70f7
DarkComet
806edea6dcd7aba5324f6a3c9f1f9f84e80baf0667e76d0c1e44ffefbc0655b1
DarkComet
8237c56fb8d1968bafeb63ebd64ef362b9efc3b923e57e3732870076e04bf357
DarkComet
9a414edf4a549a14b576e23122187a56029f4277cccaaa40f20f3f30d9a4ab99
DarkComet
a6184cc11ae5e53a2c52fc668690561b0ed9b7217e0ff7c0b236bce30fba1da3
DarkComet
bdca22b50a716ac1106fce8eb7fbb0df989bbf381329e952d16be68dc01c6477
DarkComet
ea96b694a2ea6768903862a404030f81e93df86dcf96dcaacb7b5b714a01ef7c
DarkComet
f52cc86d7cf14cdc0c501285f31418a702fb88fceb639e5c4b295f9d9bcadb29
DarkComet
+ 121 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet evasion persistence rat trojan upx
Link:
https://tria.ge/reports/210831-mj9477qh76/
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Windows security modification
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Executes dropped EXE
Sets file to hidden
UPX packed file
Darkcomet
Modifies WinLogon for persistence
Modifies firewall policy service
Modifies security service
Windows security bypass
Unpacked files
SH256 hash:
caf514da7bc3aa87587e72da8f1c348533f4a212fc29c8d3d8ae6cc92194e53b
MD5 hash:
1a1be54931a0c175a16d69036dccbcfe
SHA1 hash:
029aa5a6008bb1872a4930fe3f4a3f7bbbeefb99
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_auto
Create hunting rule
Link:
https://www.unpac.me/results/a5f21cf8-1fbc-4c77-a941-4549dfcf58a3/
SH256 hash:
76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4
MD5 hash:
51d37af9feb2a687d02180cd6231dd3a
SHA1 hash:
911bf6cd99b4fce96c160fc31f48d5e7536c649c
Detections:
win_darkcomet_g0
Create hunting rule
Link:
https://www.unpac.me/results/a5f21cf8-1fbc-4c77-a941-4549dfcf58a3/
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/76f3f11f6edd/report/overview.html
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/76f3f11f6edda541fc77ef2354e5f199db8c5513b3ccf55d62dd7d64b58850c4

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:ProjectM_DarkComet_1
Create hunting rule
Author:Florian Roth
Description:Detects ProjectM Malware
Reference:http://researchcenter.paloaltonetworks.com/2016/03/unit42-projectm-link-found-between-pakistani-actor-and-operation-transparent-tribe/
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_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.

Cape
Cape
https://www.capesandbox.com/analysis/184040/

Comments