Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
31/03/2024, 11:41
General
- Target 27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.exe
- Size 1.8MB
- Sample240331-ntjvqaag2y
- SHA256 27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b
Malware Config
Extracted
-
socks5systemz
-
http://bhkiawh.com/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c8ea969f39
-
http://bhkiawh.com/search/?q=67e28dd8685ff32d4309f94d7c27d78406abdd88be4b12eab517aa5c96bd86e894824d835a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949233c86c9314
Signatures
- Detect Socks5Systemz Payload 4 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 WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.exe"C:\Users\Admin\AppData\Local\Temp\27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-6Q536.tmp\27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.tmp"C:\Users\Admin\AppData\Local\Temp\is-6Q536.tmp\27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.tmp" /SL5="$B002C,1538910,54272,C:\Users\Admin\AppData\Local\Temp\27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe"C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe"C:\Users\Admin\AppData\Local\Audio Record Plugin\audiorecordplugin.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audiorecordplugin.exe
27ad9677b1866634ae0afb9eeee055b2ccd85d02d5262ecf071f58628ad8577b.tmp
_iscrypt.dll
memory/1056-79-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/1056-63-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-98-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-95-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-91-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/1056-90-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/1056-89-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-46-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-86-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-83-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-49-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-57-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-53-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-54-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-60-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-76-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-80-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-66-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/1056-67-0x0000000000920000-0x00000000009C2000-memory.dmp
memory/1056-73-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/3492-7-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3492-52-0x0000000002240000-0x0000000002241000-memory.dmp
memory/3492-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3612-42-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/3612-43-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/3612-39-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/3612-38-0x0000000000400000-0x00000000005BC000-memory.dmp
memory/4836-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4836-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4836-2-0x0000000000400000-0x0000000000414000-memory.dmp