Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
12/08/2024, 07:58
General
- Target a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.exe
- Size 3.7MB
- Sample240812-jty77asblm
- SHA256 a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79
Malware Config
Signatures
- Detect Socks5Systemz Payload 4 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\a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.exe"C:\Users\Admin\AppData\Local\Temp\a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6HGID.tmp\a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.tmp"C:\Users\Admin\AppData\Local\Temp\is-6HGID.tmp\a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.tmp" /SL5="$502B4,3623483,54272,C:\Users\Admin\AppData\Local\Temp\a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.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\Basic Billiards Player\basicbilliardsplayer.exe"C:\Users\Admin\AppData\Local\Basic Billiards Player\basicbilliardsplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Basic Billiards Player\basicbilliardsplayer.exe"C:\Users\Admin\AppData\Local\Basic Billiards Player\basicbilliardsplayer.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
basicbilliardsplayer.exe
_iscrypt.dll
a2b3aa5723bf1b4a79bb25278b9d87c41a09487b538af3b024f7735b0086ce79.tmp
memory/1072-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1072-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1072-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1088-13-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/1088-62-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2680-95-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-79-0x0000000002900000-0x00000000029A2000-memory.dmp
memory/2680-60-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-110-0x0000000002900000-0x00000000029A2000-memory.dmp
memory/2680-109-0x0000000002900000-0x00000000029A2000-memory.dmp
memory/2680-63-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-66-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-108-0x0000000002900000-0x00000000029A2000-memory.dmp
memory/2680-70-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-73-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-76-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-107-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-80-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-86-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-89-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-92-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-104-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-98-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/2680-101-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/4680-52-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/4680-56-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/4680-67-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/4680-53-0x0000000000400000-0x00000000006F3000-memory.dmp
memory/4680-57-0x0000000000400000-0x00000000006F3000-memory.dmp