MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86
SHA3-384 hash: c612e75a0dacfb178af72c475c38f26d505c9331bf0756113d8e878427a9ac71a15d1caca5d0ba029f4828761c06165d
SHA1 hash: c3ba95a71bc440afa9796ba8067393212d07806c
MD5 hash: c1e123df8403bf9087cce44956d6801c
humanhash: bravo-shade-network-nevada
File name:c1e123df8403bf9087cce44956d6801c
Download: download sample
Signature DarkComet
Create hunting rule
File size:678'912 bytes
First seen:2021-06-24 02:32:31 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:l9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h8gbgk:vZ1xuVVjfFoynPaVBUR8f+kN10EB1
Threatray 110 similar samples on MalwareBazaar
TLSH 2CE48E31F1808837D97219789C5F92E6982A7E202E39754B3BE62F4C5F3D6C239192D7
Reporter zbetcheckin
Tags:32 DarkComet exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
846
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Lady.exe
Verdict:
Malicious activity
Analysis date:
2021-06-20 20:31:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/47b37521-bf6c-4d9b-967f-b82707df1ae2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.DarkKomet-1
Create hunting rule

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

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

Win.Trojan.Vobfus-6875610-0
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

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Win.Trojan.Fynloski-40
Create hunting rule

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/730207b0-b94d-4ee6-88c3-816968189563
Result
Threat name:
Darkcomet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807102
Signature
Allocates memory in foreign processes
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 a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Deletes itself after installation
Detected Darkcomet RAT
Disables the Windows registry editor (regedit)
Drops executables to the windows directory (C:\Windows) and starts them
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 signatures2 2 Behavior Graph ID: 439513 Sample: 2c3BLWQKHn Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 3 other signatures 2->43 7 2c3BLWQKHn.exe 1 4 2->7         started        process3 file4 31 C:\Windows\SysWOW64\...\smarctscreen.exe, PE32 7->31 dropped 33 C:\...\smarctscreen.exe:Zone.Identifier, ASCII 7->33 dropped 45 Detected Darkcomet RAT 7->45 47 Contains functionality to log keystrokes 7->47 49 Creates an undocumented autostart registry key 7->49 51 9 other signatures 7->51 11 smarctscreen.exe 1 2 7->11         started        15 cmd.exe 1 7->15         started        17 cmd.exe 1 7->17         started        19 notepad.exe 7->19         started        signatures5 process6 dnsIp7 35 46.147.242.32, 1604 ROSTOV-ASRU Russian Federation 11->35 53 Antivirus detection for dropped file 11->53 55 Multi AV Scanner detection for dropped file 11->55 57 Detected Darkcomet RAT 11->57 63 9 other signatures 11->63 21 notepad.exe 11->21         started        59 Uses cmd line tools excessively to alter registry or file data 15->59 23 conhost.exe 15->23         started        25 attrib.exe 1 15->25         started        27 conhost.exe 17->27         started        29 attrib.exe 1 17->29         started        61 Deletes itself after installation 19->61 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86/
Threat name:
Win32.Backdoor.DarkComet
Create hunting rule
Status:
Malicious
First seen:
2021-06-21 04:14:58 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
45 of 46 (97.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ioz7ugsfl3w7yotaqqcgvfmlnjaqos4s3fhmwwqcmkir5k2xb6da._file
Verdict:
malicious
Similar samples:
04ecc8a39bb1236fb737256d4438f3781141a95d8d55576bd1a7e17a0c8b5aa0
DarkComet
1c876d45db060f5be86ab9a13496c0b280d3c6031f00bb4ffebae99566a9249b
DarkComet
2f3b39e32b302b059b4bf652a4094d8631ce6f7ec8a95a2b1db2d7d1fe29fcde
DarkComet
3c6591d78134de2a069db77e119498d7774373ae2f91f98dbac0458d01b17202
DarkComet
4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b
DarkComet
68625836043a2593ccabcca5e3d49a0331d64657ed28bec54ecf37246c25ab4c
DarkComet
6f08293219654fea6c04ef20b911c4b3d28029ae32b9bcfaa7278df56a059ede
DarkComet
97eee5ecf6cc23c32ec2eadf116cc10976696962e7f2cd6c124b3761b4409521
DarkComet
de19d8ea2911ff7e337823576e214151ad4426206db8e9ea9880778f2592f935
DarkComet
e5e350a37377f160c4258b2e765f3aacacb7d3b43926d0de767adcad6d93e87d
DarkComet
+ 100 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/210624-2bfjtp9b26/
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Disables RegEdit via registry modification
Executes dropped EXE
Sets file to hidden
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86
MD5 hash:
c1e123df8403bf9087cce44956d6801c
SHA1 hash:
c3ba95a71bc440afa9796ba8067393212d07806c
Detections:
win_darkcomet_auto
Create hunting rule
win_darkcomet_g0
Create hunting rule
Link:
https://www.unpac.me/results/977cb2a4-fad0-4e26-a05d-4a404e4c0559/
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/43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86

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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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: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.

Web download

DarkComet

Executable exe 43b3fa1a455eedfc3a6084046a958b6a41074b92d94ecb5a0262911eab570f86

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393343/

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