Analysis
- max time kernel
161s - max time network
183s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/05/2022, 22:42
General
- Target a3ddb7439f1d6e996ed7dc74a257b32a4dc0d5c0567b9752b658177de0084b0b.exe
- Size 1.3MB
- Sample220520-2mrhwaaffq
- SHA256 a3ddb7439f1d6e996ed7dc74a257b32a4dc0d5c0567b9752b658177de0084b0b
Malware Config
Signatures
- Poullight
Poullight is an information stealer first seen in March 2020.
- Poullight Stealer Payload 2 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3ddb7439f1d6e996ed7dc74a257b32a4dc0d5c0567b9752b658177de0084b0b.exe"C:\Users\Admin\AppData\Local\Temp\a3ddb7439f1d6e996ed7dc74a257b32a4dc0d5c0567b9752b658177de0084b0b.exe"1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1180-130-0x0000000000540000-0x00000000008B6000-memory.dmp
memory/1180-131-0x0000000000540000-0x00000000008B6000-memory.dmp
memory/1180-132-0x00000000079A0000-0x0000000007F44000-memory.dmp
memory/1180-133-0x0000000077CB0000-0x0000000077E53000-memory.dmp
memory/1180-134-0x0000000007490000-0x0000000007522000-memory.dmp
memory/1180-135-0x0000000007450000-0x000000000745A000-memory.dmp
memory/1180-136-0x00000000076E0000-0x0000000007746000-memory.dmp
memory/1180-137-0x0000000007980000-0x000000000798A000-memory.dmp
memory/1180-138-0x0000000009540000-0x0000000009702000-memory.dmp
memory/1180-139-0x0000000009C40000-0x000000000A16C000-memory.dmp
memory/1180-140-0x00000000094D0000-0x00000000094E2000-memory.dmp