Analysis

  • max time kernel
    82s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2022, 03:57

General

  • Target

    cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe

  • Size

    322KB

  • MD5

    8850b7c96abf365df3fd542cb17755c5

  • SHA1

    90e77265727ab091e9ee48e82df170b8929998b4

  • SHA256

    cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5

  • SHA512

    d9645e871ba53be9617fb591cbd2dd7cb1c67b5a6ac4a4c2872e48a114808d55ec98fdfbdeee38fb1aad72138b690ccca8fcf03143f24b7054d6581cd8b5f933

  • SSDEEP

    3072:cV8upnowD9Ec5Mk36eiPdBCG6hDuiBwMASzkazLz/o5tYVggjcGkNIVqIZ:K8upD2ny0PR6hDuKZzkaHzgi7ITsq4

Score
10/10

Malware Config

Extracted

Family

systembc

C2

45.15.156.48:4254

146.70.53.169:4254

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\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe
    "C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe"
    1⤵
    • Drops file in Windows directory
    PID:1672
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {18BC3B0D-879D-41B4-9057-326FFE2AEB07} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe
      C:\Users\Admin\AppData\Local\Temp\cf93000b1ae58e02666a9c6e29002bdddd0d8c7e03a1a14ae1f3a1b8f62b14c5.exe start
      2⤵
        PID:624

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/624-60-0x0000000002E0B000-0x0000000002E21000-memory.dmp

            Filesize

            88KB

          • memory/624-61-0x0000000000400000-0x0000000002C3E000-memory.dmp

            Filesize

            40.2MB

          • memory/624-62-0x0000000002E0B000-0x0000000002E21000-memory.dmp

            Filesize

            88KB

          • memory/1672-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

            Filesize

            8KB

          • memory/1672-56-0x00000000001B0000-0x00000000001B5000-memory.dmp

            Filesize

            20KB

          • memory/1672-55-0x00000000002EB000-0x0000000000301000-memory.dmp

            Filesize

            88KB

          • memory/1672-57-0x0000000000400000-0x0000000002C3E000-memory.dmp

            Filesize

            40.2MB