Analysis
- max time kernel
292s - max time network
301s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
20/06/2024, 22:52
General
- Target 7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.exe
- Size 4.4MB
- Sample240620-2twfea1erg
- SHA256 7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b
Malware Config
Extracted
-
socks5systemz
-
aquheih.ru
-
http://aquheih.ru/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb959e3f
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\7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.exe"C:\Users\Admin\AppData\Local\Temp\7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-E0EAE.tmp\7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.tmp"C:\Users\Admin\AppData\Local\Temp\is-E0EAE.tmp\7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.tmp" /SL5="$50208,4393110,54272,C:\Users\Admin\AppData\Local\Temp\7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\fanplayercloudfree.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
fanplayercloudfree.exe
7e3ef634f1419db8daf4da8fff8ee0bd8375448adf1978addc76e8ee9176550b.tmp
_iscrypt.dll
memory/2100-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2100-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2100-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2860-99-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-93-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-129-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-124-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-121-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-68-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-71-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-74-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-77-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-80-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-81-0x00000000007F0000-0x0000000000892000-memory.dmp
memory/2860-85-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-90-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-118-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-96-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-115-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-102-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-105-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-109-0x0000000000400000-0x000000000063E000-memory.dmp
memory/2860-112-0x0000000000400000-0x000000000063E000-memory.dmp
memory/4100-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4100-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4512-61-0x0000000000400000-0x000000000063E000-memory.dmp
memory/4512-59-0x0000000000400000-0x000000000063E000-memory.dmp
memory/4512-63-0x0000000000400000-0x000000000063E000-memory.dmp