Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/08/2024, 19:11
General
- Target LYskLAEjCpn4NHqyARci9KzP.exe
- Size 3.8MB
- Sample240803-xvxyeaxblh
- SHA256 46b4d936a7fd187ebb7b2ea21e0b3b56aba9c865652747426b8ca00535bfee58
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\LYskLAEjCpn4NHqyARci9KzP.exe"C:\Users\Admin\AppData\Local\Temp\LYskLAEjCpn4NHqyARci9KzP.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-K1FV8.tmp\LYskLAEjCpn4NHqyARci9KzP.tmp"C:\Users\Admin\AppData\Local\Temp\is-K1FV8.tmp\LYskLAEjCpn4NHqyARci9KzP.tmp" /SL5="$502B4,3726094,54272,C:\Users\Admin\AppData\Local\Temp\LYskLAEjCpn4NHqyARci9KzP.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_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe"C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jeengle32_64.exe
_iscrypt.dll
LYskLAEjCpn4NHqyARci9KzP.tmp
memory/1912-87-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-71-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-108-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-105-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-101-0x0000000000BB0000-0x0000000000C52000-memory.dmp
memory/1912-100-0x0000000000BB0000-0x0000000000C52000-memory.dmp
memory/1912-99-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-58-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-96-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-93-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-62-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-65-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-68-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-90-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-74-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-77-0x0000000000BB0000-0x0000000000C52000-memory.dmp
memory/1912-79-0x0000000000400000-0x000000000086D000-memory.dmp
memory/1912-84-0x0000000000400000-0x000000000086D000-memory.dmp
memory/3588-55-0x0000000000400000-0x000000000086D000-memory.dmp
memory/3588-56-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3588-53-0x0000000000400000-0x000000000086D000-memory.dmp
memory/3588-52-0x0000000000400000-0x000000000086D000-memory.dmp
memory/3652-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3652-61-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4664-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4664-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4664-2-0x0000000000401000-0x000000000040B000-memory.dmp