Analysis
- max time kernel
148s - max time network
105s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
12/07/2025, 16:52
General
- Target 2025-07-12_980cc281d1bad4cc63e7cb74b42633e1_black-basta_luca-stealer.exe
- Size 3.8MB
- Sample250712-vdd3vstves
- SHA256 bd41a5ae9d6a94c1903a8b85060ba381304ae08fe8b6ff3de15e61409cffc521
Malware Config
Extracted
-
cobaltstrike
-
http://H��@:3263252490xNet.xml
-
user_agent
B2p Yt�*SF< F>>("F- F
Signatures
- Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
- Cobaltstrike family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 6 IoCs
- Drops file in Program Files directory 5 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\2025-07-12_980cc281d1bad4cc63e7cb74b42633e1_black-basta_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2025-07-12_980cc281d1bad4cc63e7cb74b42633e1_black-basta_luca-stealer.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Common Files\System\VBoxNetDHCP.exe"C:\Program Files\Common Files\System\VBoxNetDHCP.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Add-MpPreference -ExclusionPath 'C:\Program Files\Common Files\System\*'"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files\Common Files\System\VBoxNetDHCP.exe"C:\Program Files\Common Files\System\VBoxNetDHCP.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
MSVCR100.dll
VBoxNetDHCP.exe
VBoxRT.dll
VboxNet.xml
msvcp100.dll
__PSScriptPolicyTest_ucr2ldbc.elt.ps1
memory/1476-14-0x00007FFD3B630000-0x00007FFD3BA1F000-memory.dmp
memory/1476-15-0x00007FFD56720000-0x00007FFD56730000-memory.dmp
memory/1476-30-0x00007FFD3B630000-0x00007FFD3BA1F000-memory.dmp
memory/2080-36-0x00007FFD56730000-0x00007FFD56740000-memory.dmp
memory/2080-35-0x00007FFD4A0D0000-0x00007FFD4A4BF000-memory.dmp
memory/4952-25-0x0000024269180000-0x00000242691A2000-memory.dmp
memory/4952-26-0x0000024269380000-0x0000024269390000-memory.dmp
memory/4952-16-0x0000024269380000-0x0000024269390000-memory.dmp