MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3532fb1c9e0c23e6e0b556425bceb08953c97883aacfb347789a3d8dd80099d. 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 1

SHA256 hash: e3532fb1c9e0c23e6e0b556425bceb08953c97883aacfb347789a3d8dd80099d
SHA3-384 hash: 06ee8aee59e57eaed299fa73301338195c57d81d0ef6d3e48f3783aa019150e7b4bcd6e29c5c3dc8ec7be9375bf6245e
SHA1 hash: 347d4231e88ac6fe82a8e701d0b16cfac652c92c
MD5 hash: 94d0f17a6ccc191912e09efdbe611f5e
humanhash: xray-cup-violet-four
File name:Order Requirement 893.exe
Download: download sample
Signature DarkComet
File size:3'201'536 bytes
First seen:2021-04-22 17:52:20 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:MK7dV4ZhayjR4dJ07NA9weuvzLzVM5hawlciIJN4y9AYE:vD4qAR0JwA9zuvfzGyUciz
TLSH D6E56EA2F409B1CBE09F1B745667CD5158AD83FE4B1409CB986C757A7EA3EC011BAC38
Reporter abuse_ch
Tags:DarkComet exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'147
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Adding an access-denied ACE
Launching a process
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)
Found malware configuration
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)
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.Trojan.Ekstak
Status:
Malicious
First seen:
2021-04-22 18:10:52 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
24 of 47 (51.06%)
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:
3363cc4471dd2e9eff073901d6370f3112d63b417ee658256cbfdaaa83c17829
MD5 hash:
3c5e920080ea02e65b51e2b5eac06e86
SHA1 hash:
d91ca5251faf9e257726bde29728f006ebe5049c
SH256 hash:
11233f44bf062f381ac5a1042c963d96aa46aedb5232f6d4cb67415565f6fa76
MD5 hash:
4ee9dac945f09d3659e6b61f02cb6f92
SHA1 hash:
4ad9cff7b5adfe16e613958ad72a9b83e77aacd3
Detections:
win_darkcomet_g0 win_darkcomet_auto
SH256 hash:
e3532fb1c9e0c23e6e0b556425bceb08953c97883aacfb347789a3d8dd80099d
MD5 hash:
94d0f17a6ccc191912e09efdbe611f5e
SHA1 hash:
347d4231e88ac6fe82a8e701d0b16cfac652c92c
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



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-22 18:03:44 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.034] Anti-Behavioral Analysis::Anti-debugging Instructions
1) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
2) [B0009.025] Anti-Behavioral Analysis::Unique Hardware/Firmware Check - I/O Communication Port
3) [B0012.001] Anti-Static Analysis::Argument Obfuscation
4) [B0012] Anti-Static Analysis::Disassembler Evasion
5) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
6) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence