Analysis
- max time kernel
300s - max time network
255s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
20/06/2024, 23:29
General
- Target de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe
- Size 4.5MB
- Sample240620-3gpmrssdpb
- SHA256 de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833
Malware Config
Extracted
-
socks5systemz
-
dtrnmfo.info
-
http://dtrnmfo.info/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2e997983e
Signatures
- Detect Socks5Systemz Payload 1 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\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe"C:\Users\Admin\AppData\Local\Temp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-DT9LJ.tmp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp"C:\Users\Admin\AppData\Local\Temp\is-DT9LJ.tmp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp" /SL5="$50224,4415939,54272,C:\Users\Admin\AppData\Local\Temp\de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.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
de49a7ee152ac6bdc43bee28b707ed152f9d6754884a405abd3efc5845bdd833.tmp
_iscrypt.dll
memory/1576-60-0x0000000000400000-0x000000000069E000-memory.dmp
memory/1576-62-0x0000000000400000-0x000000000069E000-memory.dmp
memory/1576-63-0x0000000000400000-0x000000000069E000-memory.dmp
memory/1964-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1964-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1964-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4112-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4112-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4772-77-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-96-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-74-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-68-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-80-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-81-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/4772-85-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-90-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-93-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-71-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-99-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-102-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-105-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-109-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-112-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-115-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-118-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-121-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-124-0x0000000000400000-0x000000000069E000-memory.dmp
memory/4772-129-0x0000000000400000-0x000000000069E000-memory.dmp