Analysis
- max time kernel
147s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 03:11
General
- Target 8899be32b819ad74907939e904221dbe.exe
- Size 4.1MB
- Sample240407-dplhmsbf2s
- SHA256 280705276e5ab2ee6c95796e53f3336b90ec767f629531cf47dc04a545ff23ed
Malware Config
Extracted
-
socks5systemz
-
http://bduijjo.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd15c5e6909832
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 FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8899be32b819ad74907939e904221dbe.exe"C:\Users\Admin\AppData\Local\Temp\8899be32b819ad74907939e904221dbe.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-FPB1O.tmp\8899be32b819ad74907939e904221dbe.tmp"C:\Users\Admin\AppData\Local\Temp\is-FPB1O.tmp\8899be32b819ad74907939e904221dbe.tmp" /SL5="$60164,3975997,54272,C:\Users\Admin\AppData\Local\Temp\8899be32b819ad74907939e904221dbe.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe"C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe"C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
8899be32b819ad74907939e904221dbe.tmp
wobplayer32.exe
memory/536-47-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-77-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-97-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-90-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-87-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-84-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-81-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-68-0x00000000008D0000-0x0000000000972000-memory.dmp
memory/536-78-0x00000000008D0000-0x0000000000972000-memory.dmp
memory/536-94-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-50-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-74-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-54-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-55-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-58-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-61-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-64-0x0000000000400000-0x0000000000696000-memory.dmp
memory/536-67-0x0000000000400000-0x0000000000696000-memory.dmp
memory/964-51-0x0000000000690000-0x0000000000691000-memory.dmp
memory/964-49-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/964-7-0x0000000000690000-0x0000000000691000-memory.dmp
memory/1324-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1324-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1324-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4628-44-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4628-43-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4628-40-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4628-39-0x0000000000400000-0x0000000000696000-memory.dmp