Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08-02-2022 05:48

General

  • Target

    550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919.exe

  • Size

    310KB

  • MD5

    455dea94a907225687474ee6e3206c0c

  • SHA1

    23f0a35eb339aa4d7ed9040082daf13ac1db4959

  • SHA256

    550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919

  • SHA512

    dbe42bcc911441ebd309c3df9340b000f35514d5bb6a5729a379ca770959c227fcc19d2c727dccaea23e47fcd5ee46290c055e249367aef37886f88102076b15

Score
10/10

Malware Config

Extracted

Family

systembc

C2

207.32.216.202:4211

192.53.123.202:4211

Signatures

  • SystemBC

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

  • Drops file in Windows directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919.exe
    "C:\Users\Admin\AppData\Local\Temp\550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919.exe"
    1⤵
    • Drops file in Windows directory
    PID:1288
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {3AD42A71-8FB6-4B85-9FB3-EA30733FB53E} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Users\Admin\AppData\Local\Temp\550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919.exe
      C:\Users\Admin\AppData\Local\Temp\550c8e114b13d07fe8fd7cd6e9915267996c6634c1e81f23ff9fe7da2ba74919.exe start
      2⤵
        PID:1168

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1168-59-0x0000000000580000-0x00000000005AD000-memory.dmp

      Filesize

      180KB

    • memory/1168-62-0x0000000000220000-0x0000000000225000-memory.dmp

      Filesize

      20KB

    • memory/1168-61-0x000000000059B000-0x00000000005AC000-memory.dmp

      Filesize

      68KB

    • memory/1168-63-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/1288-54-0x00000000004F0000-0x000000000051D000-memory.dmp

      Filesize

      180KB

    • memory/1288-55-0x000000000050B000-0x000000000051C000-memory.dmp

      Filesize

      68KB

    • memory/1288-56-0x00000000002A0000-0x00000000002A5000-memory.dmp

      Filesize

      20KB

    • memory/1288-57-0x0000000075D61000-0x0000000075D63000-memory.dmp

      Filesize

      8KB

    • memory/1288-58-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB