Analysis
- max time kernel
300s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
01/08/2024, 22:32
General
- Target 12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.exe
- Size 4.4MB
- Sample240801-2fy95sthjf
- SHA256 12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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\12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.exe"C:\Users\Admin\AppData\Local\Temp\12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4DBDC.tmp\12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.tmp"C:\Users\Admin\AppData\Local\Temp\is-4DBDC.tmp\12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.tmp" /SL5="$120080,4351350,54272,C:\Users\Admin\AppData\Local\Temp\12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.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\Antaris Media Player\antarismplayer32_64.exe"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer32_64.exe"C:\Users\Admin\AppData\Local\Antaris Media Player\antarismplayer32_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
antarismplayer32_64.exe
12f096e6a876578b18d5cd9c78c6afb5ae87f649e855b021f15cdce835e4ff25.tmp
_iscrypt.dll
_isdecmp.dll
memory/1448-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1448-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1448-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2672-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2672-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2728-58-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/2728-59-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/2728-62-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-77-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-99-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-71-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-74-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-64-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-80-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-82-0x0000000000A40000-0x0000000000AE2000-memory.dmp
memory/3228-85-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-90-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-93-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-96-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-68-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-102-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-105-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-109-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-112-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-115-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-118-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-121-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-124-0x0000000000400000-0x00000000007D9000-memory.dmp
memory/3228-129-0x0000000000400000-0x00000000007D9000-memory.dmp