Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
01/01/2025, 17:10
General
- Target JaffaCakes118_5d7e265ed53bd43d40f6457318a0921d.exe
- Size 209KB
- Sample250101-vppnqswral
- SHA256 dfe0c8f95bf96e2be4666d73ef9cd166e89eef631e975aa2e384d9f1af901d45
Malware Config
Extracted
-
systembc
-
yan0212.com:4039
-
yan0212.net:4039
Signatures
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- Systembc family
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 2 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d7e265ed53bd43d40f6457318a0921d.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d7e265ed53bd43d40f6457318a0921d.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 9242⤵
- Program crash
-
-
C:\ProgramData\mtuxd\hpqdp.exeC:\ProgramData\mtuxd\hpqdp.exe start1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3588 -ip 35881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
hpqdp.exe
memory/1520-13-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/3588-1-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/3588-2-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/3588-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3588-4-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/3588-25-0x0000000000400000-0x000000000040B000-memory.dmp
memory/3588-24-0x0000000000400000-0x00000000045F0000-memory.dmp