Analysis
- max time kernel
146s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 22:43
General
- Target 92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe
- Size 90KB
- Sample240603-2nkrqacf38
- SHA256 67713ae5aac48a69c97bcb8dbc6db59518a3b7c60ce57ab48c1883bd995bf7d4
Malware Config
Extracted
-
systembc
-
sdadvert197.com:4044
-
mexstat128.com:4044
Signatures
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- 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.
- Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.
- Drops file in Windows directory 2 IoCs
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\92dbe3d237c0b38a6feaece08bf7a1f6_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 9482⤵
- Program crash
-
-
C:\ProgramData\bvhseo\tanc.exeC:\ProgramData\bvhseo\tanc.exe start1⤵
- Executes dropped EXE
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5012 -ip 50121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
tanc.exe
memory/1260-11-0x0000000000400000-0x0000000000F74000-memory.dmp
memory/5012-2-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/5012-1-0x0000000001270000-0x0000000001370000-memory.dmp
memory/5012-3-0x0000000000400000-0x000000000040A000-memory.dmp
memory/5012-10-0x0000000000400000-0x0000000000F74000-memory.dmp
memory/5012-12-0x0000000001270000-0x0000000001370000-memory.dmp
memory/5012-13-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/5012-24-0x0000000000400000-0x0000000000F74000-memory.dmp
memory/5012-27-0x0000000000400000-0x000000000040A000-memory.dmp