Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
- submitted
05/12/2023, 07:17
General
- Target Payment Notification.exe
- Size 390KB
- Sample231205-h4eqvsaa92
- SHA256 8859b646e54e9d32a42c35ed68b124ff5150b00a6ad160edc484e2b42b015fe8
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"C:\Users\Admin\AppData\Local\Temp\Payment Notification.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/4380-25-0x0000000004A10000-0x000000000624B000-memory.dmp
memory/4380-26-0x00000000778B1000-0x00000000779D1000-memory.dmp
memory/4380-27-0x0000000010000000-0x0000000010006000-memory.dmp
memory/4380-32-0x0000000004A10000-0x000000000624B000-memory.dmp
memory/5004-28-0x0000000000400000-0x0000000001654000-memory.dmp
memory/5004-29-0x0000000001660000-0x0000000002E9B000-memory.dmp
memory/5004-30-0x0000000077938000-0x0000000077939000-memory.dmp
memory/5004-31-0x0000000000400000-0x0000000001654000-memory.dmp
memory/5004-34-0x0000000001660000-0x0000000002E9B000-memory.dmp
memory/5004-35-0x00000000778B1000-0x00000000779D1000-memory.dmp