Analysis

  • max time kernel
    30s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-04-2023 09:15

General

  • Target

    37887c9dce52b5f8926515cd07e14319.dll

  • Size

    1.5MB

  • MD5

    37887c9dce52b5f8926515cd07e14319

  • SHA1

    4d2e946233a43d028cde5b9f4a5dd032eb44b2c7

  • SHA256

    5bd7522d5fc9974eec5366697ee99480abb6910302d0250838022d6758024fa8

  • SHA512

    67e066d701b35ec1f60b5b4175f0fddb84ebf28ed243d1a4b83b5d50e861ae5876b6f451e5d3bc890dde36c4c267df2836dc6f3788ffcfc260c14f72392fb188

  • SSDEEP

    24576:f73hUyP/uQ00lVmJLWr6pOvcZwMgr3GRsFmAFjbc9IiLR7s9XP65HvefXN2wD:VUyWSZ6kUZeGRCjYI2R7If6e1

Score
10/10

Malware Config

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\37887c9dce52b5f8926515cd07e14319.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\37887c9dce52b5f8926515cd07e14319.dll,#1
      2⤵
        PID:1580

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1580-54-0x0000000010000000-0x0000000010179000-memory.dmp
      Filesize

      1.5MB

    • memory/1580-55-0x0000000010000000-0x0000000010179000-memory.dmp
      Filesize

      1.5MB

    • memory/1580-56-0x00000000008C0000-0x00000000009D3000-memory.dmp
      Filesize

      1.1MB

    • memory/1580-57-0x00000000001B0000-0x00000000001B4000-memory.dmp
      Filesize

      16KB

    • memory/1580-58-0x00000000001F0000-0x00000000001F1000-memory.dmp
      Filesize

      4KB

    • memory/1580-60-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1580-59-0x0000000000240000-0x0000000000241000-memory.dmp
      Filesize

      4KB

    • memory/1580-61-0x00000000001D0000-0x00000000001D5000-memory.dmp
      Filesize

      20KB

    • memory/1580-62-0x0000000000210000-0x0000000000212000-memory.dmp
      Filesize

      8KB