Analysis
- max time kernel
133s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
08/05/2024, 04:03
General
- Target Transferencia-Caixa Bank.exe
- Size 657KB
- Sample240508-emtxnscc84
- SHA256 fdc8fddeb50b8dd709e3580c0eac02613406602eff4ccbd2903722b7157ef30b
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Transferencia-Caixa Bank.exe"C:\Users\Admin\AppData\Local\Temp\Transferencia-Caixa Bank.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 10442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1660 -ip 16601⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/1660-109-0x0000000004A50000-0x0000000005FDF000-memory.dmp
memory/1660-110-0x0000000077C61000-0x0000000077D81000-memory.dmp
memory/1660-111-0x0000000004A50000-0x0000000005FDF000-memory.dmp