Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
24/03/2024, 02:48
General
- Target b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe
- Size 2.0MB
- Sample240324-datwgagh26
- SHA256 b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e
Malware Config
Extracted
-
socks5systemz
-
http://dltmore.info/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c4e7909232
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe"C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-MFFGP.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp"C:\Users\Admin\AppData\Local\Temp\is-MFFGP.tmp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp" /SL5="$80094,1722205,54272,C:\Users\Admin\AppData\Local\Temp\b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe"C:\Users\Admin\AppData\Local\MarkDownPad\markdownpad32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
b42c724af5c05849434bb0c34cabbd138201a7f6b6b56faadbc150885cfd0a2e.tmp
memory/1000-80-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-84-0x0000000000700000-0x00000000007A2000-memory.dmp
memory/1000-103-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-100-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-96-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-93-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-90-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-52-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-87-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-83-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-55-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-75-0x0000000000700000-0x00000000007A2000-memory.dmp
memory/1000-59-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-60-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-63-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-66-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-69-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1000-70-0x0000000000700000-0x00000000007A2000-memory.dmp
memory/1000-74-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/1492-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2096-49-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2096-48-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2096-45-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/2096-44-0x0000000000400000-0x00000000005D4000-memory.dmp
memory/4432-56-0x0000000002240000-0x0000000002241000-memory.dmp
memory/4432-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/4432-54-0x0000000000400000-0x00000000004B8000-memory.dmp