Analysis
- max time kernel
293s - max time network
297s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
20/06/2024, 22:38
General
- Target 276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.exe
- Size 5.6MB
- Sample240620-2kf95avcnl
- SHA256 276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf
Malware Config
Extracted
-
socks5systemz
-
bobozvu.com
-
http://bobozvu.com/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec949c3b
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.
- 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\276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.exe"C:\Users\Admin\AppData\Local\Temp\276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-KISRO.tmp\276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.tmp"C:\Users\Admin\AppData\Local\Temp\is-KISRO.tmp\276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.tmp" /SL5="$901EC,5597600,54272,C:\Users\Admin\AppData\Local\Temp\276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe"C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
svomediaplayer32.exe
276cb74bea1dcd4e108e93a64ad03dbc02ecbd2e4516713fe05124c1ab4f7daf.tmp
_iscrypt.dll
_isdecmp.dll
memory/1320-75-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1320-19-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2424-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2424-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2424-74-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4172-65-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4172-66-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4172-70-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-85-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-107-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-79-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-82-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-72-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-88-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-91-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/4360-93-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-98-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-101-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-104-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-76-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-110-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-113-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-117-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-120-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-123-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-126-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-129-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-132-0x0000000000400000-0x0000000000747000-memory.dmp
memory/4360-137-0x0000000000400000-0x0000000000747000-memory.dmp