Analysis

  • max time kernel
    91s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2023 14:57

General

  • Target

    95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll

  • Size

    219KB

  • MD5

    9485be02b5a5edb57665cabdcf53b0a4

  • SHA1

    373f54a7d2d7098a0be89af463d82d496b6612df

  • SHA256

    95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b

  • SHA512

    44ab01ce9529f2c85be9f8fd01ef8f66463596a020d5bb5036169be45b06568b1d1f600fc9fe00a654e781283c3b3eedcdfa40ff98a68884143de4da00c0b1f3

  • SSDEEP

    3072:i0EUEDB4BgEqaKOLFoonhHcyWgGKb/fMT2JYhJlC3upskOuyPoccIPS3tMHZ7Nah:uUEeK5aTLF7cBK8FsPuyPdxiMHPzXO

Score
10/10

Malware Config

Extracted

Family

systembc

C2

45.63.66.10:443

Signatures

  • SystemBC

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\95357abd84854c615bf87a93312ebdae6c9c5ea0f6e4103e537535b0f204c08b.dll,#1
      2⤵
        PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 628
          3⤵
          • Program crash
          PID:852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1808 -ip 1808
      1⤵
        PID:5104

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1808-0-0x00000000027F0000-0x00000000027F6000-memory.dmp

        Filesize

        24KB

      • memory/1808-1-0x0000000002810000-0x0000000002817000-memory.dmp

        Filesize

        28KB

      • memory/1808-2-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/1808-3-0x00000000027F0000-0x00000000027F6000-memory.dmp

        Filesize

        24KB