Analysis

  • max time kernel
    293s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/06/2024, 06:22

General

  • Target
    e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.exe
  • Size 6.4MB
  • Sample240603-g4y9tsff83
  • SHA256 e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d
  • 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\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.exe
    "C:\Users\Admin\AppData\Local\Temp\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Users\Admin\AppData\Local\Temp\is-7BIDQ.tmp\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7BIDQ.tmp\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.tmp" /SL5="$60204,6430377,54272,C:\Users\Admin\AppData\Local\Temp\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3888
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1888

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        berryplayer.exe

        • Path C:\Users\Admin\AppData\Local\Berry Player\berryplayer.exe
        • Size 5.0MB
        • SHA256 f30f753e8576ab459364de7eab558d79ceb69743ddbbd2db760faff42b05d88d
        • MD5 SHA1 SHA512 SSDEEP

        e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-7BIDQ.tmp\e139a43364b1b36c25c30818117acc0e32cbabd95b3942cdcfee36ccedf6618d.tmp
        • Size 680KB
        • SHA256 ce7965818b41312109b8d039362a6eb836839040e26b417baaf7f21c3b6869ea
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

        • Path \Users\Admin\AppData\Local\Temp\is-KUAP8.tmp\_isetup\_iscrypt.dll
        • Size 2KB
        • SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
        • MD5 SHA1 SHA512

        memory/1220-69-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/1220-10-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/1888-107-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-87-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-128-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-125-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-67-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-122-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-119-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-70-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-73-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-76-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-79-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-82-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-85-0x0000000002720000-0x00000000027C2000-memory.dmp

        memory/1888-116-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-92-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-95-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-98-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-101-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-104-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-113-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/1888-108-0x0000000002720000-0x00000000027C2000-memory.dmp

        memory/1888-109-0x0000000002720000-0x00000000027C2000-memory.dmp

        memory/3380-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3380-2-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/3380-68-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/3888-59-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/3888-64-0x0000000000400000-0x000000000090E000-memory.dmp

        memory/3888-60-0x0000000000400000-0x000000000090E000-memory.dmp