Analysis
- max time kernel
141s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
28/02/2024, 16:54
General
- Target 960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe
- Size 2.5MB
- Sample240228-velt4aha4s
- SHA256 960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26
Malware Config
Extracted
-
socks5systemz
-
http://ejrcbug.ua/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef610c3e6969b32
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 19 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe"C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3K8RJ.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp"C:\Users\Admin\AppData\Local\Temp\is-3K8RJ.tmp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp" /SL5="$D016C,2202326,56832,C:\Users\Admin\AppData\Local\Temp\960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe"C:\Users\Admin\AppData\Local\CD DVD Identifier\cddvdidentifier.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cddvdidentifier.exe
960dce369bf0ee060ce3f5c32589a081075b9ae9123a23ebf69490f4d52f1f26.tmp
_iscrypt.dll
_isdecmp.dll
memory/1764-52-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-84-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1764-103-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-96-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-93-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-90-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-87-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-51-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-75-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1764-100-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-83-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-55-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-80-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-59-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-60-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-63-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-66-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-69-0x0000000000400000-0x0000000000700000-memory.dmp
memory/1764-72-0x00000000009D0000-0x0000000000A72000-memory.dmp
memory/1764-73-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2348-44-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2348-48-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2348-47-0x0000000000400000-0x0000000000700000-memory.dmp
memory/2348-43-0x0000000000400000-0x0000000000700000-memory.dmp
memory/3448-56-0x0000000000660000-0x0000000000661000-memory.dmp
memory/3448-54-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3448-7-0x0000000000660000-0x0000000000661000-memory.dmp
memory/3804-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3804-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3804-2-0x0000000000400000-0x0000000000414000-memory.dmp