Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 01:31

General

  • Target
    fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.exe
  • Size 6.6MB
  • Sample240602-bxlr9seh53
  • SHA256 fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 17 IoCs
  • 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\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.exe
    "C:\Users\Admin\AppData\Local\Temp\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\is-0S9JU.tmp\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-0S9JU.tmp\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.tmp" /SL5="$E0058,6626097,54272,C:\Users\Admin\AppData\Local\Temp\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4436
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        berryplayer.exe

        • Path C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        • Size 5.2MB
        • SHA256 48c0d7de96ff41b0b1cf1ec36efaeb961269935ea5e893c8852d108c2ea1f197
        • MD5 SHA1 SHA512 SSDEEP

        fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-0S9JU.tmp\fe66709abfc8ebc81d937807326ec8919af8da242aac4c76562a98011c239929.tmp
        • Size 680KB
        • SHA256 8dcb0851c97099ae63a077dc7d51a9510bce2351134710f00a0805b6f488a0d4
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-0U7C0.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        memory/216-16-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/216-69-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/896-68-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/896-3-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/896-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/1552-95-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-89-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-67-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-116-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-113-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-70-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-73-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-76-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-79-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-82-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-85-0x0000000000B00000-0x0000000000BA2000-memory.dmp

        memory/1552-109-0x0000000000B00000-0x0000000000BA2000-memory.dmp

        memory/1552-92-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-108-0x0000000000B00000-0x0000000000BA2000-memory.dmp

        memory/1552-98-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-101-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-104-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/1552-107-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/4436-59-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/4436-64-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/4436-61-0x0000000000400000-0x000000000093C000-memory.dmp

        memory/4436-60-0x0000000000400000-0x000000000093C000-memory.dmp