Analysis
- max time kernel
143s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
14/08/2023, 08:03
General
- Target Payment advice-BFTI_EFT71230814.exe
- Size 290KB
- Sample230814-jxpsxscg21
- SHA256 aa7594e22ac8dc84e8d03be5d67c03c49d11316354f421a63c3f894e88e98511
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment advice-BFTI_EFT71230814.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice-BFTI_EFT71230814.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment advice-BFTI_EFT71230814.exe"C:\Users\Admin\AppData\Local\Temp\Payment advice-BFTI_EFT71230814.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ygwjjgkqp.dll
memory/1548-146-0x00000000049C0000-0x0000000004F64000-memory.dmp
memory/1548-148-0x0000000005120000-0x0000000005186000-memory.dmp
memory/1548-140-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1548-142-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1548-143-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1548-144-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/1548-145-0x0000000002510000-0x0000000002520000-memory.dmp
memory/1548-156-0x0000000002510000-0x0000000002520000-memory.dmp
memory/1548-141-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1548-149-0x0000000005C10000-0x0000000005C60000-memory.dmp
memory/1548-147-0x0000000002510000-0x0000000002520000-memory.dmp
memory/1548-150-0x0000000005C80000-0x0000000005D12000-memory.dmp
memory/1548-151-0x0000000005D90000-0x0000000005D9A000-memory.dmp
memory/1548-152-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/1548-153-0x0000000002510000-0x0000000002520000-memory.dmp
memory/1548-154-0x0000000002510000-0x0000000002520000-memory.dmp
memory/2900-139-0x00000000031C0000-0x00000000031C2000-memory.dmp