MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6. 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: 87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6
SHA3-384 hash: 969e164c253117ba8ab41a78b5f10dff0dd1e03f5abda84332d0f8be0039cbaac97bb7a44b00427cc1c4e22f5bf1bddf
SHA1 hash: 8b2f47300d6fecd4d5fcef477b7cbd63cf6ef8c5
MD5 hash: 3602f8e02342949364e8669e0c88f686
humanhash: golf-apart-rugby-vermont
File name:Payment 381.exe
Download: download sample
Signature DarkComet
File size:3'237'376 bytes
First seen:2021-02-25 09:51:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash baa93d47220682c04d92f7797d9224ce (139 x RiseProStealer, 26 x Xtrat, 18 x CoinMiner)
ssdeep 49152:XiF15589IkXzaE4h9Y2/HK/lpwYHcB/0z8zn:SF1YXmE4h9Y2/q/lpHcBsQzn
Threatray 97 similar samples on MalwareBazaar
TLSH 6DE54CA1F40A62CBD48B1BB45567CE81686E47FC8B1008DBA89CF57A7D63DC011BED6C
Reporter abuse_ch
Tags:DarkComet exe RAT Yahoo


Avatar
abuse_ch
Malspam distributing DarkComet:

HELO: sonic315-21.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.190.147
From: williams Green <williamsgreen1979@yahoo.com>
Subject: Payment
Attachment: Payment 381.zip (contains "Payment 381.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
907
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment 381.exe
Verdict:
No threats detected
Analysis date:
2021-02-25 09:53:05 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
DNS request
Connection attempt to an infection source
Enabling autorun
Unauthorized injection to a system process
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.
Result
Threat name:
DarkComet
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
PE file contains section with special chars
Sample uses process hollowing technique
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DarkComet
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2021-02-25 09:52:08 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
darkcomet
Score:
  10/10
Tags:
family:darkcomet evasion persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks BIOS information in registry
Identifies Wine through registry keys
Uses the VBS compiler for execution
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Darkcomet
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
d1414e5c3e1f4a0cb27e50f6d55f9408a389e5bd61f650fc60302ba2fc490fca
MD5 hash:
0cf570c193eba5f1f86ab76c49bc6104
SHA1 hash:
f064b88f42b308e68bf5f3c518acba03730f0f69
SH256 hash:
fd923ca5379851020a4d5d4218ba67c3bb090144363457fd981016f71b359078
MD5 hash:
94313505a34498735e061a90846b1f35
SHA1 hash:
a61e50ed7ff9f1d5c8d02b70b6f9938c6e1a185f
Detections:
win_darkcomet_g0 win_darkcomet_auto
SH256 hash:
87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6
MD5 hash:
3602f8e02342949364e8669e0c88f686
SHA1 hash:
8b2f47300d6fecd4d5fcef477b7cbd63cf6ef8c5
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.

Malspam

DarkComet

Executable exe 87fd1a37f56e55cc20cdf882955d9ac37a857bd0bf12c480ea76f9a452438ab6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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