MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77dddb8e258184f22bbbf1d17a3e9f121528da1cd431ca26c44a870218ee0184. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 77dddb8e258184f22bbbf1d17a3e9f121528da1cd431ca26c44a870218ee0184
SHA3-384 hash: d0a91a5840ec5fe9a2417100ac834fcd10a70b6a8f41da02cbd3738dc964fa876b7b33bcb7ff93cea1954df256341864
SHA1 hash: fcef830a7f6861bef97be986d0e4b3a02a1ef27c
MD5 hash: 88da3cb41ad9eaa9824b64be954e4ca5
humanhash: crazy-lima-west-leopard
File name:SecuriteInfo.com.__vbaHresultCheckObj.29967.23164
Download: download sample
Signature DarkComet
File size:2'037'763 bytes
First seen:2021-07-01 00:48:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 41999ec9d2bb54af1616c904a0650895 (1 x DarkComet, 1 x AsyncRAT, 1 x RaccoonStealer)
ssdeep 49152:q66X+aEubmOe/Wx/cxteQqibGyeM0jZF4:qfX+5une/K/OttqiROQ
Threatray 106 similar samples on MalwareBazaar
TLSH 92950123E5A0E14ED846807058BAE3797A18BD7910459E53F3C09F0E36B25E3B9F5B1B
Reporter SecuriteInfoCom
Tags:DarkComet exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
868
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.__vbaHresultCheckObj.29967.23164
Verdict:
Malicious activity
Analysis date:
2021-07-01 00:51:42 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Darkcomet
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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 malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to evade analysis by execution special instruction which cause usermode exception
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442690 Sample: SecuriteInfo.com.__vbaHresu... Startdate: 01/07/2021 Architecture: WINDOWS Score: 100 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 2 other signatures 2->83 8 SecuriteInfo.com.__vbaHresultCheckObj.29967.exe 1 2 2->8         started        11 Player.exe.exe 2->11         started        14 Player.exe.exe 2->14         started        process3 file4 63 C:\Users\user\AppData\...\Player.exe.exe, PE32 8->63 dropped 16 RegSvcs.exe 4 2 8->16         started        20 WerFault.exe 23 9 8->20         started        85 Multi AV Scanner detection for dropped file 11->85 87 Writes to foreign memory regions 11->87 89 Allocates memory in foreign processes 11->89 22 RegSvcs.exe 1 1 11->22         started        24 WerFault.exe 19 9 11->24         started        91 Injects a PE file into a foreign processes 14->91 26 RegSvcs.exe 14->26         started        28 WerFault.exe 14->28         started        signatures5 process6 dnsIp7 65 bonjoursx2021.ddns.net 160.155.28.34, 1565, 49712 ORANGE-COTE-IVOIRECI Cote D'ivoire 16->65 67 Detected Darkcomet RAT 16->67 69 Contains functionality to log keystrokes 16->69 71 Contains functionalty to change the wallpaper 16->71 75 11 other signatures 16->75 30 cmd.exe 1 16->30         started        33 cmd.exe 1 16->33         started        35 notepad.exe 16->35         started        73 Tries to evade analysis by execution special instruction which cause usermode exception 20->73 37 cmd.exe 1 22->37         started        39 cmd.exe 1 22->39         started        41 cmd.exe 26->41         started        43 cmd.exe 26->43         started        signatures8 process9 signatures10 45 conhost.exe 30->45         started        47 attrib.exe 1 30->47         started        49 conhost.exe 33->49         started        51 attrib.exe 1 33->51         started        93 Uses cmd line tools excessively to alter registry or file data 37->93 53 conhost.exe 37->53         started        55 attrib.exe 1 37->55         started        57 2 other processes 39->57 59 2 other processes 41->59 61 2 other processes 43->61 process11
Threat name:
Win32.Backdoor.DarkComet
Status:
Malicious
First seen:
2021-07-01 00:49:10 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
family:darkcomet evasion persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Disables RegEdit via registry modification
Sets file to hidden
Darkcomet
Modifies firewall policy service
Modifies security service
Windows security bypass
Unpacked files
SH256 hash:
005f4279e92ebe63257660f8b877c94b965843dc46c1ac475e2f0540bbcf65ab
MD5 hash:
767b1fbe9ea438ea3fc44212dd74c1ae
SHA1 hash:
90128505780e79c8f069606c60f68057c335d078
Detections:
win_darkcomet_g0 win_darkcomet_auto
SH256 hash:
77dddb8e258184f22bbbf1d17a3e9f121528da1cd431ca26c44a870218ee0184
MD5 hash:
88da3cb41ad9eaa9824b64be954e4ca5
SHA1 hash:
fcef830a7f6861bef97be986d0e4b3a02a1ef27c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Malware_QA_update
Author:Florian Roth
Description:VT Research QA uploaded malware - file update.exe
Reference:VT Research QA
Rule name:RAT_DarkComet
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects DarkComet RAT
Reference:http://malwareconfig.com/stats/DarkComet
Rule name:win_darkcomet_auto
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.

Comments