Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 01:00
General
- Target 13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.exe
- Size 1.9MB
- Sample240325-bc51eabf92
- SHA256 13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d
Malware Config
Extracted
-
socks5systemz
-
http://bwaobli.com/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c2e790983e
-
http://bwaobli.com/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12eab517aa5c96bd86e99d8e45855a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949939c56a9413
Signatures
- Detect Socks5Systemz Payload 4 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- 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\13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.exe"C:\Users\Admin\AppData\Local\Temp\13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-UEF7C.tmp\13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.tmp"C:\Users\Admin\AppData\Local\Temp\is-UEF7C.tmp\13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.tmp" /SL5="$B005E,1676256,54272,C:\Users\Admin\AppData\Local\Temp\13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.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
Loading Replay Monitor...
Downloads
markdownpad32.exe
_iscrypt.dll
_isdecmp.dll
13054d2dd86e9d9b7920a0172e9b40ee0409f4e21412ace7ce16160394b6e87d.tmp
memory/60-82-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-86-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-104-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-101-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-97-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/60-96-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/60-95-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-52-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-92-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-89-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-55-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-83-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/60-59-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-60-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-63-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-66-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-69-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-72-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/60-73-0x00000000007A0000-0x0000000000842000-memory.dmp
memory/60-79-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/752-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/752-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/752-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3376-56-0x0000000002340000-0x0000000002341000-memory.dmp
memory/3376-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/3376-54-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3984-49-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/3984-48-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/3984-45-0x0000000000400000-0x00000000005CA000-memory.dmp
memory/3984-44-0x0000000000400000-0x00000000005CA000-memory.dmp