MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1. 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: 19


Intelligence 19 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
SHA3-384 hash: 276b426f598d9512792f6db13033a844264ce876cd9ca4b726254b5eab57ef7a71176c0356395e1ed56abd1da547eef8
SHA1 hash: 9aa83c470353c448750b5cee34a1a7034a76d3c4
MD5 hash: ef5fb48c0f5d26272002fb779dec0c47
humanhash: pasta-triple-east-utah
File name:f168pro.exe
Download: download sample
Signature DarkComet
Create hunting rule
File size:762'880 bytes
First seen:2026-05-26 05:06:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2908e707ee592e48fac7cf066e87d007 (1 x DarkComet)
ssdeep 12288:d8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1r/:uUKoN0bUxgGa/pfBHDb+y1L
Threatray 385 similar samples on MalwareBazaar
TLSH T153F45B21F280C877D82239F59C5B81A55427BE252D35790B36FA3F0C5A36293FD6628F
TrID 32.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
23.0% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
15.0% (.EXE) Win64 Executable (generic) (6522/11/2)
10.3% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 0d2d4dcdcdcdc94f (6 x DarkComet)
Reporter abuse_ch
Tags:DarkComet exe upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a3fa75fe9b9c0ca9ccdc85ae6733024cbc64c545031aad9150f03fed9335850a
File size (compressed) :354'816 bytes
File size (de-compressed) :762'880 bytes
Format:win32/pe
Packed file: a3fa75fe9b9c0ca9ccdc85ae6733024cbc64c545031aad9150f03fed9335850a

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1.exe
Verdict:
Malicious activity
Analysis date:
2026-05-26 05:09:02 UTC
Tags:
auto-reg delphi
Link:
https://app.any.run/tasks/fa2ed5ed-1dd0-4893-986b-a23ceff76f89

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/67931/
Detection(s):
Win.Packed.Darkkomet-9819952-0
Create hunting rule

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

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

Win.Trojan.Finlosky-6745083-0
Create hunting rule

Win.Packed.Black-6963772-0
Create hunting rule

Win.Trojan.Agent-337198
Create hunting rule

Win.Trojan.Finlosky-15
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a152a955b1db29f5a47e8a2
Tags:
dropper emotet virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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
Launching a process
Enabling the 'hidden' option for analyzed file
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Connection attempt
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)
Forced shutdown of a system process
Enabling autorun
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm borland_delphi darkcomet darkcomet evasive explorer fingerprint keylogger lolbin packed reconnaissance
Link:
https://www.filescan.io/uploads/6a1547434bb6e36d180348b9/reports/d7569f65-8d74-41f2-9ec1-3434be6ef94a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-26T02:12:00Z UTC
Last seen:
2026-05-26T23:40:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Inject.sb Trojan.Win32.Agent.sb Trojan-Spy.Win32.Xegumumune.sbc HEUR:Trojan.Win32.Generic Backdoor.Win32.DarkKomet.gvly Trojan.Win32.Diztakun.sb Trojan.Multi.Agent.sb Trojan-Dropper.Win32.Injector.sb HEUR:Backdoor.Win32.DarkKomet.gen Backdoor.Win32.Finlosky.b Backdoor.Win32.DarkKomet.b Backdoor.Win32.DarkKomet.acpa Backdoor.Win32.Androm.sb
Link:
https://opentip.kaspersky.com/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1/results?tab=lookup
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cda1f14e-8857-4f29-89eb-0e610f3b90f6
Result
Threat name:
DarkComet
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1918414
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 functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates an undocumented autostart registry key
Disable Task Manager(disabletaskmgr)
Disables the Windows registry editor (regedit)
Disables the Windows task manager (taskmgr)
Drops PE files to the document folder of the user
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1918414 Sample: f168pro.exe Startdate: 26/05/2026 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected DarkComet 2->59 7 f168pro.exe 1 4 2->7         started        11 f168pro.exe 2 2->11         started        13 f168pro.exe 2->13         started        process3 file4 45 C:\Users\user\Documents\F168Pro\f168pro.exe, PE32 7->45 dropped 47 C:\Windows\System32\drivers\etc\hosts, ASCII 7->47 dropped 49 C:\Users\user\...\f168pro.exe:Zone.Identifier, ASCII 7->49 dropped 61 Drops PE files to the document folder of the user 7->61 63 Creates an undocumented autostart registry key 7->63 65 Contains functionalty to change the wallpaper 7->65 73 6 other signatures 7->73 15 f168pro.exe 2 7->15         started        18 cmd.exe 1 7->18         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        67 Writes to foreign memory regions 11->67 69 Allocates memory in foreign processes 11->69 71 Injects a PE file into a foreign processes 11->71 24 iexplore.exe 11->24         started        26 iexplore.exe 13->26         started        signatures5 process6 signatures7 75 Antivirus detection for dropped file 15->75 77 Multi AV Scanner detection for dropped file 15->77 79 Writes to foreign memory regions 15->79 87 5 other signatures 15->87 28 iexplore.exe 15->28         started        30 conhost.exe 15->30         started        81 Uses ping.exe to sleep 18->81 83 Uses cmd line tools excessively to alter registry or file data 18->83 85 Uses ping.exe to check the status of other devices and networks 18->85 32 conhost.exe 18->32         started        34 attrib.exe 1 18->34         started        36 PING.EXE 1 20->36         started        39 conhost.exe 20->39         started        41 conhost.exe 22->41         started        43 attrib.exe 1 22->43         started        process8 dnsIp9 51 127.0.0.1 unknown unknown 36->51
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/ef5fb48c0f5d26272002fb779dec0c47
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1/
Verdict:
Malicious
Threat:
Family.DARKCOMET
Link:
https://tip.neiki.dev/file/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
Threat name:
Win32.Trojan.RegistryDisabler
Create hunting rule
Status:
Malicious
First seen:
2026-05-26 05:07:32 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgyffx5s6gn7cwvlvapqpbqsgt4ru4vfyogyhqlwu6snzw5s5daq._file
Verdict:
malicious
Label(s):
darkcomet
Create hunting rule
Similar samples:
18d11d4c837fb6bb2c6806318cb1510ba7fdc54abe8e7a53c589fd12b3a02292
DarkComet
492c55622ab28f5549a53604a4525613268aa1ab5ca99cbc6a969d8e387337f0
DarkComet
8df919d13e79c80c26053c7aa529fc3a0b49c0db77f957b38c49e80e9ffb53a4
DarkComet
90d3dbe2c8ae46b970a865f597d091688e7c04c7886a1ec287e4b7a0f5e2fcf1
DarkComet
981083069928ba9c9ab6f5c00e08e39bce07449ef7415f58e962939edabdecd7
DarkComet
error
DarkComet
+ 375 additional samples on MalwareBazaar
Result
Malware family:
darkcomet
Create hunting rule
Score:
  10/10
Tags:
family:darkcomet botnet:guest16 defense_evasion discovery persistence rat trojan
Link:
https://tria.ge/reports/260526-fr8gasby6l/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Disables RegEdit via registry modification
Disables Task Manager via registry modification
Drops file in Drivers directory
Sets file to hidden
Family: Darkcomet
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
f168.name:1604
f168.com.co:1604
f168hi.com :1604
Unpacked files
SH256 hash:
b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
MD5 hash:
ef5fb48c0f5d26272002fb779dec0c47
SHA1 hash:
9aa83c470353c448750b5cee34a1a7034a76d3c4
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_a0
Create hunting rule
triage_darkcomet_rat
Create hunting rule
win_darkcomet_g0
Create hunting rule
win_darkcomet_a0
Create hunting rule
triage_darkcomet_rat
Create hunting rule
Link:
https://www.unpac.me/results/c4467de6-12b6-450a-948a-354693632943/
SH256 hash:
b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1
MD5 hash:
ef5fb48c0f5d26272002fb779dec0c47
SHA1 hash:
9aa83c470353c448750b5cee34a1a7034a76d3c4
Detections:
win_darkcomet_g0
Create hunting rule
win_darkcomet_a0
Create hunting rule
triage_darkcomet_rat
Create hunting rule
win_darkcomet_g0
Create hunting rule
win_darkcomet_a0
Create hunting rule
triage_darkcomet_rat
Create hunting rule
Link:
https://www.unpac.me/results/c4467de6-12b6-450a-948a-354693632943/
Malware family:
DarkComet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9b052dfb2f1/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/b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1

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:Borland
Create hunting rule
Author:malware-lu
Rule name:CMD_Ping_Localhost
Create hunting rule
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:darkcomet_v1
Create hunting rule
Author:RandomMalware
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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 (Nextron Systems)
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
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:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Trojan_Darkcomet_1df27bcc
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

DarkComet

Executable exe a3fa75fe9b9c0ca9ccdc85ae6733024cbc64c545031aad9150f03fed9335850a

DarkComet

Executable exe b9b052dfb2f19bf15aaba81f07861234f91a72a5c38d83c176a7a4dcdbb2e8c1

(this sample)

  
Dropped by
SHA256 a3fa75fe9b9c0ca9ccdc85ae6733024cbc64c545031aad9150f03fed9335850a
Cape
Cape
https://www.capesandbox.com/analysis/67931/
  
Dropped by
MD5 d05b9a51d278e43ec931b79323bd1abe

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