Analysis
- max time kernel
142s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/04/2024, 01:36
General
- Target f9827a2a48b356c781478142c39eb801.exe
- Size 4.0MB
- Sample240409-bz9bcaac74
- SHA256 208f0af12ef5b3bc47e552804e7cf255b56044b025c88ffc2f6bba4cd3576362
Malware Config
Extracted
-
socks5systemz
-
http://bdobbao.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd17c2e993993b
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f9827a2a48b356c781478142c39eb801.exe"C:\Users\Admin\AppData\Local\Temp\f9827a2a48b356c781478142c39eb801.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-A7NNO.tmp\f9827a2a48b356c781478142c39eb801.tmp"C:\Users\Admin\AppData\Local\Temp\is-A7NNO.tmp\f9827a2a48b356c781478142c39eb801.tmp" /SL5="$D002C,3854568,54272,C:\Users\Admin\AppData\Local\Temp\f9827a2a48b356c781478142c39eb801.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe"C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe"C:\Users\Admin\AppData\Local\Sound Volume\soundvolume.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
soundvolume.exe
_iscrypt.dll
f9827a2a48b356c781478142c39eb801.tmp
memory/2968-39-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/2968-40-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/2968-43-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4500-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4500-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4500-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4512-50-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/4512-7-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/4512-48-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4760-53-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-67-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-46-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-54-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-57-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-60-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-63-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-66-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/4760-68-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/4760-49-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-74-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-77-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-78-0x0000000000960000-0x0000000000A02000-memory.dmp
memory/4760-81-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-84-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-87-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-90-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-94-0x0000000000400000-0x00000000006E0000-memory.dmp
memory/4760-97-0x0000000000400000-0x00000000006E0000-memory.dmp