MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 244334e5785b37a3968287bf88eb6ac6ab2715126af65c4797aeb4cb5e11906e. 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



BlackNET


Vendor detections: 14


Intelligence 14 IOCs 1 YARA 15 File information Comments

SHA256 hash: 244334e5785b37a3968287bf88eb6ac6ab2715126af65c4797aeb4cb5e11906e
SHA3-384 hash: 61decd14ff510a7d20b5f07f74c398f6573a847400f8b6fe2c8bbe6e06c09a1b6baec6086e35154700ca81c8337e02b2
SHA1 hash: 1b97e08bd3c91554b3c06335bbc6dc352c46854e
MD5 hash: a0ac9c83e1bc5eaa9b38110495271fca
humanhash: alabama-twenty-aspen-winter
File name:a0ac9c83e1bc5eaa9b38110495271fca.exe
Download: download sample
Signature BlackNET
File size:101'888 bytes
First seen:2021-11-27 02:47:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 3072:DdiJbUhy+ReTTYB+eztx3be/EKygFnaO:pEWyfPYB+eztlboS
Threatray 25 similar samples on MalwareBazaar
TLSH T1BFA3C50377ED5C59E0BDDBB4EB725280C7B5BC265A22C66C0CC560AD16BA742BD01BE3
File icon (PE):PE icon
dhash icon 414555c0d4d44503 (15 x njrat, 14 x BlackNET, 8 x Lucifer)
Reporter abuse_ch
Tags:BlackNet exe


Avatar
abuse_ch
BlackNET C2:
http://hksec.hk/wp-admin/html//receive.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://hksec.hk/wp-admin/html//receive.php https://threatfox.abuse.ch/ioc/255199/

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a0ac9c83e1bc5eaa9b38110495271fca.exe
Verdict:
Malicious activity
Analysis date:
2021-11-27 02:49:09 UTC
Tags:
trojan blacknet

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm blacknet blackworm bladabindi evasive greyware keylogger obfuscated packed powershell razy wacatac winnti worm
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.
Malware family:
BlackNet RAT
Verdict:
Malicious
Result
Threat name:
BlackNET
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (overwrites its own PE header)
Found strings related to Crypto-Mining
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected BlackNET
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Blacknet
Status:
Malicious
First seen:
2021-11-25 17:07:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
41 of 45 (91.11%)
Threat level:
  5/5
Result
Malware family:
blacknet
Score:
  10/10
Tags:
family:blacknet botnet:hacked suricata
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Deletes itself
suricata: ET MALWARE Win32/BlackNET CnC Keep-Alive
Malware Config
C2 Extraction:
http://hksec.hk/wp-admin/html/
Unpacked files
SH256 hash:
244334e5785b37a3968287bf88eb6ac6ab2715126af65c4797aeb4cb5e11906e
MD5 hash:
a0ac9c83e1bc5eaa9b38110495271fca
SHA1 hash:
1b97e08bd3c91554b3c06335bbc6dc352c46854e
Detections:
win_blacknet_rat_w0
Malware family:
Winnti Group
Verdict:
Malicious
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:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:d238aea078ca1bb99a80ec2bf5d07acb818d72e7823ea8e767eefde95a038401
Author:H3lium
Description:MALWARE! - file d238aea078ca1bb99a80ec2bf5d07acb818d72e7823ea8e767eefde95a038401.exe
Reference:https://github.com/Neo23x0/yarGen
Rule name:HKTL_NET_GUID_BlackNET
Author:Arnim Rupp
Description:Detects VB.NET red/black-team tools via typelibguid
Reference:https://github.com/BlackHacker511/BlackNET
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Author:ditekSHen
Description:Detects executables containing artifcats associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:MALWARE_Win_BlackNET
Author:ditekSHen
Description:Detects BlackNET RAT
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Modified_SystemExeFileName_in_File
Author:Florian Roth
Description:Detecst a variant of a system file name often used by attackers to cloak their activity
Reference:https://www.symantec.com/blogs/threat-intelligence/seedworm-espionage-group
Rule name:SUSP_Modified_SystemExeFileName_in_File_RID35F8
Author:Florian Roth
Description:Detecst a variant of a system file name often used by attackers to cloak their activity
Reference:https://www.symantec.com/blogs/threat-intelligence/seedworm-espionage-group
Rule name:win_blacknet_rat_w0
Author:K7 Security Labs
Description:BlackNet Payload

File information


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

Comments