Analysis
- max time kernel
146s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
12/09/2022, 14:13
General
- Target bl draft shipping Documents.exe
- Size 1.2MB
- Sample220912-rjed2adde9
- SHA256 cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445
Malware Config
Extracted
-
blustealer
-
https://api.telegram.org/bot5450700540:AAEJyEEV8BKgYUKmnCPZxp19kD9GVSRup5M/sendMessage?chat_id=5422342474
Signatures
- BluStealer
A Modular information stealer written in Visual Basic.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bl draft shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\bl draft shipping Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bl draft shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\bl draft shipping Documents.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/424-147-0x0000000000400000-0x000000000046E000-memory.dmp
memory/424-142-0x0000000000400000-0x000000000046E000-memory.dmp
memory/424-144-0x0000000000400000-0x000000000046E000-memory.dmp
memory/424-150-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1572-136-0x0000000005120000-0x00000000056C4000-memory.dmp
memory/1572-137-0x0000000004C50000-0x0000000004CE2000-memory.dmp
memory/1572-138-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/1572-139-0x0000000007450000-0x00000000074EC000-memory.dmp
memory/1572-140-0x0000000007660000-0x00000000076C6000-memory.dmp
memory/1572-135-0x0000000000290000-0x00000000003CA000-memory.dmp
memory/2312-149-0x0000000000510000-0x0000000000576000-memory.dmp