MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62
SHA3-384 hash: a8de8461f973e5cbad2df5d3eb0ba80c29b740b6be5add6dd500d38ad920eab1912e0eec4853d3e527a4396e2ed2dbae
SHA1 hash: 4592ac347999cc134770f30b6935053d85c8cc59
MD5 hash: b29a3f72100e48f0122e75a2280f13c0
humanhash: utah-quebec-purple-mars
File name:denemestub1.exe.vir
Download: download sample
Signature DarkComet
Create hunting rule
File size:674'304 bytes
First seen:2022-06-18 12:01:26 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:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hg:eZ1xuVVjfFoynPaVBUR8f+kN10EBa
Threatray 206 similar samples on MalwareBazaar
TLSH T158E48E31F1808837D97219789C5F92E6982A7E202E39754B3AE62F4C5F3D6C239193D7
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 :
434
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
darkcomet
Create hunting rule
ID:
1
File name:
denemestub1.exe
Verdict:
Malicious activity
Analysis date:
2022-06-18 10:30:06 UTC
Tags:
trojan rat darkcomet
Link:
https://app.any.run/tasks/66c2731a-30b2-4db5-ad09-11b4fe12ed07

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/281144/
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
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/21850/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe darkcomet darkkomet explorer.exe greyware keylogger rat
Link:
https://www.filescan.io/uploads/62adbebdb0582adf05b02dde/reports/77be6986-cdf7-429b-8ca4-6c7da7deff89/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/642f0ec5-6e76-447c-bed1-e03c276f51cd
Result
Threat name:
Darkcomet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015659
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 an undocumented autostart registry key
Detected Darkcomet RAT
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62/
Threat name:
Win32.Backdoor.DarkComet
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 12:02:11 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=fvc5sah6zeoxf4hagtrau242rb4quz63yzkwhc5ker2b6n23n5ra._file
Verdict:
malicious
Similar samples:
2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62
DarkComet
9429ef640e67c9106bf05567d9a68b9600d2a78db68d95c86e38935639d70f4a
DarkComet
9434bc83bcf91eea11ec4994e62bf69d123a43106013f3e67ec1e67382fac0ae
DarkComet
94ff10c934c9adb1ed0cae745ce47859abe48403d9cff5fd01bc34c10fabe4f0
DarkComet
99870955e988faaf5dd449b8470ff7bfb8ac7aa4819df8843d4778ae8a59d034
DarkComet
cbc3194979a225ee53b973dc1abb0972f9bbc4bdb57d5d8056ba1a441dddd6ea
DarkComet
+ 196 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet botnet:junior_sazan persistence rat trojan
Link:
https://tria.ge/reports/220618-n7fefsgfer/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Darkcomet
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
0.tcp.ngrok.io:14791
Unpacked files
SH256 hash:
2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62
MD5 hash:
b29a3f72100e48f0122e75a2280f13c0
SHA1 hash:
4592ac347999cc134770f30b6935053d85c8cc59
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/24da7326-3f8f-444f-9953-23b23b3bb168/
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/2d45d900fec91d72f0e034e20a6b9a88790a67dbc655638baa24741f375b6f62

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/281144/

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