Analysis
- max time kernel
141s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
03/08/2024, 15:41
General
- Target a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe
- Size 4.0MB
- Sample240803-s4rerssdlc
- SHA256 a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 4 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
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp"C:\Users\Admin\AppData\Local\Temp\is-JTMSE.tmp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp" /SL5="$8005E,3922260,54272,C:\Users\Admin\AppData\Local\Temp\a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jeengle32.exe
_iscrypt.dll
a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2.tmp
memory/872-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/872-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/872-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2092-52-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2092-54-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2092-55-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-68-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-94-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-109-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-62-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-65-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-106-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-71-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-74-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-77-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2400-80-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-85-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-88-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-91-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-59-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-97-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-100-0x0000000000400000-0x000000000088B000-memory.dmp
memory/2400-101-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/2400-102-0x00000000026A0000-0x0000000002742000-memory.dmp
memory/3904-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3904-61-0x0000000000400000-0x00000000004BD000-memory.dmp