Analysis
- max time kernel
146s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
18/06/2024, 17:21
General
- Target 45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.exe
- Size 4.4MB
- Sample240618-vxfe2axbnk
- SHA256 45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af
Malware Config
Extracted
-
socks5systemz
-
bvtfuoi.com
-
http://bvtfuoi.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c3ee969d3c
-
http://bvtfuoi.com/search/?q=67e28dd86459a42c4009ab4e7c27d78406abdd88be4b12eab517aa5c96bd86ee9d8649845a8bbc896c58e713bc90c91836b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d38cc6c9111
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\45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.exe"C:\Users\Admin\AppData\Local\Temp\45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6DGGS.tmp\45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.tmp"C:\Users\Admin\AppData\Local\Temp\is-6DGGS.tmp\45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.tmp" /SL5="$40232,4393904,54272,C:\Users\Admin\AppData\Local\Temp\45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
playercloudfree32.exe
45b3c2b81b05a501b5c04db0cc8b8b0dcfffc5e5eaf4b69653ef9e29398c69af.tmp
_iscrypt.dll
memory/2120-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2120-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2120-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3732-97-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-100-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-118-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-115-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-68-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-110-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3732-111-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3732-71-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-74-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-77-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-80-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-83-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-86-0x0000000002540000-0x00000000025E2000-memory.dmp
memory/3732-88-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-94-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-109-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-106-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3732-103-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3884-61-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3884-59-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3884-65-0x0000000000400000-0x000000000069E000-memory.dmp
memory/3884-64-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4308-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4308-70-0x0000000000400000-0x00000000004BA000-memory.dmp