Analysis
- max time kernel
142s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
30/05/2024, 14:57
General
- Target eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.exe
- Size 4.9MB
- Sample240530-sblc2sdd69
- SHA256 eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d
Malware Config
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\eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.exe"C:\Users\Admin\AppData\Local\Temp\eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NCCF4.tmp\eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.tmp"C:\Users\Admin\AppData\Local\Temp\is-NCCF4.tmp\eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.tmp" /SL5="$600EA,4890189,54272,C:\Users\Admin\AppData\Local\Temp\eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5kplayer32.exe
_iscrypt.dll
eb378956585ba3a0ea528c936570a539a8ca6d9f4256fcc39c6c01d8836f7b7d.tmp
memory/1100-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1100-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1100-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2356-59-0x0000000000400000-0x000000000076D000-memory.dmp
memory/2356-63-0x0000000000400000-0x000000000076D000-memory.dmp
memory/2356-65-0x0000000000400000-0x000000000076D000-memory.dmp
memory/2356-60-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4596-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4596-71-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4844-76-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-89-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/4844-72-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-75-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-67-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-79-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-82-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-85-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-88-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-69-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-95-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-98-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-101-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-104-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-107-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-110-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-111-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/4844-112-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/4844-116-0x0000000000400000-0x000000000076D000-memory.dmp
memory/4844-119-0x0000000000400000-0x000000000076D000-memory.dmp