Analysis
- max time kernel
292s - max time network
299s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
13/06/2024, 22:50
General
- Target 4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.exe
- Size 4.9MB
- Sample240613-2smrwatepf
- SHA256 4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c
Malware Config
Extracted
-
socks5systemz
-
bbniduy.com
-
http://bbniduy.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff712c1e6949b3a
-
http://bbniduy.com/search/?q=67e28dd86d5ff028450dff177c27d78406abdd88be4b12eab517aa5c96bd86e991814b845a8bbc896c58e713bc90c91936b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9d993ac46e9717
Signatures
- Detect Socks5Systemz Payload 2 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\4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.exe"C:\Users\Admin\AppData\Local\Temp\4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BA49M.tmp\4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.tmp"C:\Users\Admin\AppData\Local\Temp\is-BA49M.tmp\4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.tmp" /SL5="$50202,4852555,54272,C:\Users\Admin\AppData\Local\Temp\4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
freeaudioconverter.exe
4ac714c2eb6793310a0b35ab5f29ba26e7f14dc3d793971704daaabccdc6277c.tmp
_iscrypt.dll
memory/4184-59-0x0000000000400000-0x0000000000720000-memory.dmp
memory/4184-63-0x0000000000400000-0x0000000000720000-memory.dmp
memory/4184-60-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-81-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-91-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-129-0x00000000025A0000-0x0000000002642000-memory.dmp
memory/5012-66-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-128-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-125-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-69-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-72-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-75-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-78-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-122-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-84-0x00000000025A0000-0x0000000002642000-memory.dmp
memory/5012-86-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-119-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-94-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-97-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-100-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-103-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-106-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-109-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-113-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5012-116-0x0000000000400000-0x0000000000720000-memory.dmp
memory/5020-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5020-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/5116-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5116-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/5116-2-0x0000000000401000-0x000000000040B000-memory.dmp