MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce
SHA3-384 hash: 300e122f550d195b4eabafd46c4fe6beffea1522a79de048ed762449ffcbc615a1148791f4db3f8ea7fbfd555415c76c
SHA1 hash: 86bd1056e44cdf6dcd3188e16f55cef80a840949
MD5 hash: 559e77c66347f99fc2ab5e9ef757ce0d
humanhash: paris-colorado-uniform-johnny
File name:loader.bin
Download: download sample
Signature DarkComet
Create hunting rule
File size:674'816 bytes
First seen:2022-06-20 19:04:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e5b4359a3773764a372173074ae9b6bd (60 x DarkComet, 2 x njrat, 1 x NanoCore)
ssdeep 12288:29HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hy:SZ1xuVVjfFoynPaVBUR8f+kN10EBQ
Threatray 211 similar samples on MalwareBazaar
TLSH T16AE48E31F1808837D97219789C5F92E6982A7E202E39754B3AE62F4C5F3D6C239193D7
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 KdssSupport
Tags:DarkComet exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
492
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ultima Multihack.exe
Verdict:
Malicious activity
Analysis date:
2022-06-20 17:08:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cd6948a9-7f7c-43bf-ad67-e2b0a420c2e4

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/281736/
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
Сreating synchronization primitives
Creating a window
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/22103/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe darkcomet explorer.exe greyware keylogger rat
Link:
https://www.filescan.io/uploads/62b0c4e6f4dd1ffb77a520ef/reports/b9ab5f43-e2fc-4db5-8213-26ceeff31bf9/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/91c91893-5a1e-4a83-bc5f-6a4cdb6c5137
Result
Threat name:
Darkcomet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016622
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)
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)
Creates an undocumented autostart registry key
Detected Darkcomet RAT
Disables the Windows registry editor (regedit)
Disables UAC (registry)
Disables windows user account control
Drops PE files to the document folder of the user
Found evasive API chain (may stop execution after checking mutex)
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 dynamic DNS services
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce/
Threat name:
Win32.Backdoor.DarkComet
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 19:05:10 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=rvpyq4tqy3ymfm4dyv2dlo7x2irm4qlkbgz5otkodwagbbkd2dha._file
Verdict:
malicious
Similar samples:
222e2ddd2cd5cb4156b9d1845c833d644d8a62d367004a271f6ec290a8aa2fb3
DarkComet
2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62
DarkComet
3033e88038cf80d4ea502099291f9ea0e93c5995f96282ad26e5c21e8442c5ce
DarkComet
9429ef640e67c9106bf05567d9a68b9600d2a78db68d95c86e38935639d70f4a
DarkComet
9434bc83bcf91eea11ec4994e62bf69d123a43106013f3e67ec1e67382fac0ae
DarkComet
99870955e988faaf5dd449b8470ff7bfb8ac7aa4819df8843d4778ae8a59d034
DarkComet
9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165
DarkComet
+ 201 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet botnet:sazan evasion persistence rat trojan
Link:
https://tria.ge/reports/220620-xrgr1scge7/
Behaviour
Modifies registry class
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
Checks computer location settings
Loads dropped DLL
Windows security modification
Disables RegEdit via registry modification
Executes dropped EXE
Darkcomet
Modifies WinLogon for persistence
Modifies firewall policy service
Modifies security service
Windows security bypass
Malware Config
C2 Extraction:
sussysdfffdfff343.duckdns.org:1604
Unpacked files
SH256 hash:
8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce
MD5 hash:
559e77c66347f99fc2ab5e9ef757ce0d
SHA1 hash:
86bd1056e44cdf6dcd3188e16f55cef80a840949
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/cde8e3aa-6850-4d2b-a889-1587ba4e22a5/
Parent samples :
8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce
b3847c94d840dd53c3ba7248734424f06715deacf6dd6ebb727c2f1a7de4c945
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/8d5f887270c6f0c2b383c57435bbf7d222ce416a09b3d74d4e1d80608543d0ce

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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.

Cape
Cape
https://www.capesandbox.com/analysis/281736/

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