Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
31/03/2024, 06:14
General
- Target a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.exe
- Size 1.8MB
- Sample240331-gzepmaff86
- SHA256 a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6
Malware Config
Extracted
-
socks5systemz
-
http://boqppts.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c6ea92983b
Signatures
- Detect Socks5Systemz Payload 2 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.exe"C:\Users\Admin\AppData\Local\Temp\a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-TH6SK.tmp\a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.tmp"C:\Users\Admin\AppData\Local\Temp\is-TH6SK.tmp\a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.tmp" /SL5="$70118,1520324,54272,C:\Users\Admin\AppData\Local\Temp\a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe"C:\Users\Admin\AppData\Local\Any Audio Record\anyaudiorecord.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
anyaudiorecord.exe
_iscrypt.dll
a5ca6027c7b896e676266b2efd2e3669d8b28f52b9df45b8d3f7076d1e8b8eb6.tmp
memory/2720-38-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2720-42-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2720-39-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/2988-50-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/2988-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2988-7-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/3992-63-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-66-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-97-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-44-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-49-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-94-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-53-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-54-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-57-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-68-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/3992-46-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-90-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-60-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-74-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-77-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-78-0x00000000008C0000-0x0000000000962000-memory.dmp
memory/3992-81-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-84-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/3992-87-0x0000000000400000-0x00000000005AC000-memory.dmp
memory/4928-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4928-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4928-47-0x0000000000400000-0x0000000000414000-memory.dmp