Analysis
- max time kernel
90s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
08/08/2023, 13:53
General
- Target prueba de pago.exe
- Size 560KB
- Sample230808-q65dasch57
- SHA256 11a13f0291f2145e792f3f7d18a1c3747767e93b71292a9fdefed34d52dff3b8
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 1 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"C:\Users\Admin\AppData\Local\Temp\prueba de pago.exe"2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 9242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1452 -ip 14521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/1452-144-0x00000000030A0000-0x0000000005CFF000-memory.dmp
memory/1452-145-0x00000000030A0000-0x0000000005CFF000-memory.dmp
memory/1452-146-0x0000000077601000-0x0000000077721000-memory.dmp
memory/1452-147-0x0000000010000000-0x0000000010006000-memory.dmp
memory/1452-148-0x00000000030A0000-0x0000000005CFF000-memory.dmp