Analysis

  • max time kernel
    123s
  • max time network
    134s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/06/2024, 02:25

General

  • Target
    c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.exe
  • Size 6.2MB
  • Sample240606-cwfqasff87
  • SHA256 c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 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\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.exe
    "C:\Users\Admin\AppData\Local\Temp\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\is-TTJC0.tmp\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TTJC0.tmp\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.tmp" /SL5="$50246,6212926,54272,C:\Users\Admin\AppData\Local\Temp\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
        "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4900
      • C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
        "C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3884

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        galaxymusicstudio32.exe

        • Path C:\Users\Admin\AppData\Local\Galaxy Music Studio\galaxymusicstudio32.exe
        • Size 4.9MB
        • SHA256 f26854619cea964e4e157b61589d38feb0ff54581931590bcb649756d4ae3d10
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-OQJIP.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-TTJC0.tmp\c86efde3aa4a0cf48220ba76e7eb0d4962507192920afb179654821785b1576d.tmp
        • Size 680KB
        • SHA256 0395db2b5a63eaed214bd1d2831931bfc5621f136567254c82fcc02821e26f30
        • MD5 SHA1 SHA512 SSDEEP

        memory/1400-70-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1400-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/1400-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3884-101-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-104-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-119-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-116-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-68-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-69-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-111-0x0000000000CD0000-0x0000000000D72000-memory.dmp

        memory/3884-112-0x0000000000CD0000-0x0000000000D72000-memory.dmp

        memory/3884-72-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-75-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-76-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-79-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-82-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-85-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-88-0x0000000000CD0000-0x0000000000D72000-memory.dmp

        memory/3884-90-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-95-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-98-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-110-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/3884-107-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/4740-16-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/4740-71-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/4900-59-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/4900-60-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/4900-64-0x0000000000400000-0x00000000008E9000-memory.dmp

        memory/4900-65-0x0000000000400000-0x00000000008E9000-memory.dmp