MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 288e97d97b9708e5c4d7a57b04ce9fc5b852e75c1945ad5378562d810a2f52af. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 288e97d97b9708e5c4d7a57b04ce9fc5b852e75c1945ad5378562d810a2f52af
SHA3-384 hash: 7da8fe415a1e34cdb48c189a2960c477715ccfce89b7a0aae565ef583c3ce53aaeee9be26c102f0157c92b86db47cbc8
SHA1 hash: 261ae05be2b422f240475ea8da64221f90291f72
MD5 hash: 4600c747000f1f9d1c6f6fe19a31e918
humanhash: utah-high-whiskey-harry
File name:darkcometloader.exe
Download: download sample
Signature DarkComet
Create hunting rule
File size:674'304 bytes
First seen:2022-07-05 11:40:56 UTC
Last seen:2022-07-23 13:17:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e5b4359a3773764a372173074ae9b6bd (60 x DarkComet, 2 x njrat, 1 x NanoCore)
ssdeep 12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hR:eZ1xuVVjfFoynPaVBUR8f+kN10EB3
TLSH T199E48E31F1808837D97219789C5F92E6982A7E202E39754B3AE62F4C5F3D6C239193D7
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 amogos123512
Tags:DarkComet exe pop-up Ransomware RAT


Avatar
amogos123512
malware

Intelligence

File Origin
# of uploads :
3
# of downloads :
561
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.DarkKomet-1
Create hunting rule

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

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

Win.Trojan.Barys-9799359-0
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

Win.Trojan.Vobfus-6875610-0
Create hunting rule

Win.Trojan.Fynloski-40
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Launching cmd.exe command interpreter
Creating a process with a hidden window
Searching for the Windows task manager window
Launching a process
Enabling the 'hidden' option for analyzed file
Setting a keyboard event handler
DNS request
Sending a custom TCP request
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
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/23872/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe darkcomet darkkomet explorer.exe graybird greyware keylogger rat virus windows
Link:
https://www.filescan.io/uploads/62c4234e783441cda1087f8a/reports/53441938-882f-4d66-ad28-19cde61020c0/overview
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.
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/319c3af6-c14a-4d04-bd22-44fde5817f2d
Result
Threat name:
Darkcomet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024759
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Changes security center settings (notifications, updates, antivirus, firewall)
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 a thread in another existing process (thread injection)
Detected Darkcomet RAT
Disables the Windows registry editor (regedit)
Disables UAC (registry)
Disables windows user account control
Found evasive API chain (may stop execution after checking mutex)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657254 Sample: darkcometloader.exe Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 4 other signatures 2->36 7 darkcometloader.exe 4 2 2->7         started        process3 dnsIp4 28 sussysdfffdfff343.duckdns.org 78.173.187.50, 1604, 49747 TTNETTR Turkey 7->28 38 Detected Darkcomet RAT 7->38 40 Found evasive API chain (may stop execution after checking mutex) 7->40 42 Contains functionalty to change the wallpaper 7->42 44 11 other signatures 7->44 11 cmd.exe 1 7->11         started        14 cmd.exe 1 7->14         started        16 notepad.exe 7->16         started        18 2 other processes 7->18 signatures5 process6 signatures7 46 Uses cmd line tools excessively to alter registry or file data 11->46 20 conhost.exe 11->20         started        22 attrib.exe 1 11->22         started        24 conhost.exe 14->24         started        26 attrib.exe 1 14->26         started        48 Found evasive API chain (may stop execution after checking mutex) 16->48 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/288e97d97b9708e5c4d7a57b04ce9fc5b852e75c1945ad5378562d810a2f52af/
Threat name:
Win32.Backdoor.DarkComet
Create hunting rule
Status:
Malicious
First seen:
2022-07-04 22:35:14 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fchjpwl3s4eolrgxuv5qjtu7yw4ffz24dfc22u3ykywyccrpkkxq._file
Verdict:
malicious
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet botnet:guest16 evasion rat trojan
Link:
https://tria.ge/reports/220705-ntek1aggcl/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Windows security modification
Disables RegEdit via registry modification
Sets file to hidden
Darkcomet
Modifies firewall policy service
Modifies security service
Windows security bypass
Malware Config
C2 Extraction:
sussysdfffdfff343.duckdns.org:1604
Unpacked files
SH256 hash:
288e97d97b9708e5c4d7a57b04ce9fc5b852e75c1945ad5378562d810a2f52af
MD5 hash:
4600c747000f1f9d1c6f6fe19a31e918
SHA1 hash:
261ae05be2b422f240475ea8da64221f90291f72
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_auto
Create hunting rule
win_darkcomet_a0
Create hunting rule
Link:
https://www.unpac.me/results/6ad25c7c-d483-4d50-8d15-a91decaed50f/
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/288e97d97b97/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/288e97d97b9708e5c4d7a57b04ce9fc5b852e75c1945ad5378562d810a2f52af

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: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.

  
Delivery method
Other

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