Analysis

  • max time kernel
    144s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 01:00

General

  • Target
    0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.exe
  • Size 6.3MB
  • Sample240602-bc1qpadc5x
  • SHA256 0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Detects executables packed with VMProtect. 16 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.exe
    "C:\Users\Admin\AppData\Local\Temp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Users\Admin\AppData\Local\Temp\is-7VU6N.tmp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7VU6N.tmp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.tmp" /SL5="$4010A,6386951,54272,C:\Users\Admin\AppData\Local\Temp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2784
      • C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        "C:\Users\Admin\AppData\Local\Berry Player\berryplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        berryplayer32.exe

        • Path \Users\Admin\AppData\Local\Berry Player\berryplayer32.exe
        • Size 5.0MB
        • SHA256 47c1dd19c09c1dd4196bac4ffc58208dcd227ccb1296bb90c198e5be32c42b95
        • MD5 SHA1 SHA512 SSDEEP

        0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.tmp

        • Path \Users\Admin\AppData\Local\Temp\is-7VU6N.tmp\0551d5b1e252916fa78d6d35dcf39f21ecebfd3c4997997daaa33e55daab7f91.tmp
        • Size 680KB
        • SHA256 279ee27cf8ac98c8c1d1535136abdd8b14a681f05dbd74a9308f62836cc3df58
        • MD5 SHA1 SHA512 SSDEEP

        _iscrypt.dll

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

        _shfoldr.dll

        • Path \Users\Admin\AppData\Local\Temp\is-SJKBS.tmp\_isetup\_shfoldr.dll
        • Size 22KB
        • SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
        • MD5 SHA1 SHA512 SSDEEP

        memory/2236-12-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2236-64-0x0000000005A30000-0x0000000005F37000-memory.dmp

        memory/2236-78-0x0000000005A30000-0x0000000005F37000-memory.dmp

        memory/2236-74-0x0000000000400000-0x00000000004BA000-memory.dmp

        memory/2424-73-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2424-0-0x0000000000400000-0x0000000000414000-memory.dmp

        memory/2424-3-0x0000000000401000-0x000000000040B000-memory.dmp

        memory/2668-75-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-91-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-120-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-117-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-113-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-79-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-82-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-85-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-88-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-71-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-92-0x0000000002830000-0x00000000028D2000-memory.dmp

        memory/2668-98-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-101-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-104-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-107-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2668-110-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2784-65-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2784-66-0x0000000000400000-0x0000000000907000-memory.dmp

        memory/2784-69-0x0000000000400000-0x0000000000907000-memory.dmp