Analysis
- max time kernel
141s - max time network
126s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
03/08/2024, 22:31
General
- Target 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe
- Size 3.8MB
- Sample240803-2fmlcaxepr
- SHA256 7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5
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\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe"C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-O9G3R.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp"C:\Users\Admin\AppData\Local\Temp\is-O9G3R.tmp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp" /SL5="$501A4,3735475,54272,C:\Users\Admin\AppData\Local\Temp\7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.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
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jeengle32_64.exe
_iscrypt.dll
7c73d59c2d90b17079d969721fd86a9437ca440dfac37aea9b2617c3a96fcde5.tmp
memory/976-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/976-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/976-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1572-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1572-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3684-52-0x0000000000400000-0x000000000086E000-memory.dmp
memory/3684-53-0x0000000000400000-0x000000000086E000-memory.dmp
memory/3684-57-0x0000000000400000-0x000000000086E000-memory.dmp
memory/3684-56-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-66-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-89-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-60-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-69-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-72-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-75-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-76-0x0000000000B70000-0x0000000000C12000-memory.dmp
memory/4944-80-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-86-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-63-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-92-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-95-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-98-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-101-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-103-0x0000000000B70000-0x0000000000C12000-memory.dmp
memory/4944-102-0x0000000000B70000-0x0000000000C12000-memory.dmp
memory/4944-107-0x0000000000400000-0x000000000086E000-memory.dmp
memory/4944-110-0x0000000000400000-0x000000000086E000-memory.dmp