Analysis
- max time kernel
143s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
16/07/2024, 17:40
General
- Target 4f61495744ac80a8c5e08eaaf5bd2147_JaffaCakes118.exe
- Size 209KB
- Sample240716-v9b85swekh
- SHA256 f8e9770888bd3545c01053bb8031365eef2b071d0c2c5d89f7a8ead9f74da3fa
Score
10/10
Malware Config
Extracted
Family
-
systembc
C2
-
yan0212.com:4039
-
yan0212.net:4039
Signatures
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- Executes dropped EXE 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Windows directory 2 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4f61495744ac80a8c5e08eaaf5bd2147_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4f61495744ac80a8c5e08eaaf5bd2147_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 4882⤵
- Program crash
-
-
C:\ProgramData\hbptjw\aldxu.exeC:\ProgramData\hbptjw\aldxu.exe start1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4640 -ip 46401⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
aldxu.exe
memory/3984-13-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/4640-1-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/4640-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4640-2-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/4640-4-0x0000000000400000-0x00000000045F0000-memory.dmp
memory/4640-24-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4640-23-0x0000000000400000-0x00000000045F0000-memory.dmp