Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
17/08/2024, 14:08
General
- Target a2d724e306338577a5896594950d41a5_JaffaCakes118.exe
- Size 335KB
- Sample240817-rfv8dasdrn
- SHA256 8ceee34b010701c3745db2e9868c68902440d951d7c2dbe383ee2c25d5aa20dc
Malware Config
Extracted
-
systembc
-
knock0909.monster:4035
-
knock0909.xyz:4035
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
- 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\a2d724e306338577a5896594950d41a5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a2d724e306338577a5896594950d41a5_JaffaCakes118.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 2972 -s 9682⤵
- Program crash
-
-
C:\ProgramData\cqgtsj\sfddbxx.exeC:\ProgramData\cqgtsj\sfddbxx.exe start1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2972 -ip 29721⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
sfddbxx.exe
memory/2972-2-0x0000000004E20000-0x0000000004E29000-memory.dmp
memory/2972-1-0x0000000004EC0000-0x0000000004FC0000-memory.dmp
memory/2972-3-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2972-4-0x0000000004EC0000-0x0000000004FC0000-memory.dmp
memory/2972-6-0x0000000004E20000-0x0000000004E29000-memory.dmp
memory/2972-5-0x0000000000400000-0x0000000004DD5000-memory.dmp
memory/2972-9-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4356-15-0x0000000000400000-0x0000000004DD5000-memory.dmp