MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b81dece72c020fa2cb5f5df57f71de84142574d54ef1a165aff47ec171b618d0. 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
| SHA256 hash: | b81dece72c020fa2cb5f5df57f71de84142574d54ef1a165aff47ec171b618d0 |
|---|---|
| SHA3-384 hash: | b01a7d3c99838aa9299f933a129b94969210191b10a543eba0fa6d30cbb42717398b8f161fa4944780d9ebcfe35337c8 |
| SHA1 hash: | cba894efb96a1ae3982a10363814366b478c39d7 |
| MD5 hash: | 33d9370ab0c06bea92774b43d138f5b3 |
| humanhash: | crazy-item-venus-venus |
| File name: | Payment 901.exe |
| Download: | download sample |
| Signature | DarkComet |
| File size: | 3'107'328 bytes |
| First seen: | 2021-01-05 07:32:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | baa93d47220682c04d92f7797d9224ce (139 x RiseProStealer, 26 x Xtrat, 18 x CoinMiner) |
| ssdeep | 49152:TwHHa9JDJWl2HOmNZ2j3M1MHy9gnLJc3zLLG9MmyLV5XYGN:W69tJsUOmNZ2LM1MS9gnVc3SLyp |
| Threatray | 43 similar samples on MalwareBazaar |
| TLSH | B7E52992A549B1CFD88E2778D227CF86E8AD06F907350DC3A86C657E7E67CC051B6C24 |
| Reporter |  abuse_ch |
| Tags: | DarkComet exe RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
838
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment 901.exe
Verdict:
No threats detected
Analysis date:
2021-01-05 07:35:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Adding an access-denied ACE
Launching a process
Unauthorized injection to a system process
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)
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.Btcon
Status:
Malicious
First seen:
2021-01-05 07:33:04 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 33 additional samples on MalwareBazaar
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:
b81dece72c020fa2cb5f5df57f71de84142574d54ef1a165aff47ec171b618d0
MD5 hash:
33d9370ab0c06bea92774b43d138f5b3
SHA1 hash:
cba894efb96a1ae3982a10363814366b478c39d7
SH256 hash:
f2c1e0b4571d505a5f534622c50c3c1ac4204365c7d7cb676969b1bbc73d0298
MD5 hash:
8f939e296f0f2301d225c434d4845926
SHA1 hash:
572c099ee570620c25adb05143c9f5ebd10e8e5e
Detections:
win_darkcomet_g0
win_darkcomet_auto
SH256 hash:
0ee985fd668802f3d33f7aa8142db16dd82e7bb3c042a8b1db1a3bc98ee3cba3
MD5 hash:
0579fcaa24132d38784fc0929fd692f5
SHA1 hash:
8e5593bfc559b1ad8516e9f0fcf17270998ef97b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DarkComet
Score:
1.00
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
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.