Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 14:09

General

  • Target
    664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.exe
  • Size 6.4MB
  • Sample240603-rf848sad52
  • SHA256 664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9
  • 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\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.exe
    "C:\Users\Admin\AppData\Local\Temp\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Users\Admin\AppData\Local\Temp\is-8F9JU.tmp\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-8F9JU.tmp\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.tmp" /SL5="$50218,6504324,54272,C:\Users\Admin\AppData\Local\Temp\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1280
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4528
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:644

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        berryplayer32.exe

        • Path C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        • Size 5.1MB
        • SHA256 22d1fa9f371799da7eff416ebedd5f714316956b7704175ecff58c3eacec534a
        • MD5 SHA1 SHA512 SSDEEP

        664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-8F9JU.tmp\664d2edaef8eca8e5cc1755c448c354846265af1548fb7bc5cfa1c782546fad9.tmp
        • Size 680KB
        • SHA256 279ee27cf8ac98c8c1d1535136abdd8b14a681f05dbd74a9308f62836cc3df58
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\is-L65V5.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        memory/644-96-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-80-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-117-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-114-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-110-0x0000000000B30000-0x0000000000BD2000-memory.dmp

        memory/644-109-0x0000000000B30000-0x0000000000BD2000-memory.dmp

        memory/644-108-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-68-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-105-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-102-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-71-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-74-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-77-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-99-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-83-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-85-0x0000000000B30000-0x0000000000BD2000-memory.dmp

        memory/644-88-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/644-93-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/1280-16-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/1280-70-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2848-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2848-69-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2848-3-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/4528-65-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/4528-63-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/4528-60-0x0000000000400000-0x0000000000925000-memory.dmp

        memory/4528-59-0x0000000000400000-0x0000000000925000-memory.dmp