Analysis

  • max time kernel
    232s
  • max time network
    240s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2022, 17:53

General

  • Target

    a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6.exe

  • Size

    2.2MB

  • MD5

    8cea9bc30046ce76a8d9d211206b9197

  • SHA1

    408b79f4b244be9e288efe7185dc915aaf4a9cbc

  • SHA256

    a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6

  • SHA512

    95d2b4117ec60f1b0d1611e742da358d77e1488a66e5f87105bb0b1e71ba016e3e153769d51701a47bd8ca85ada38150ee50e7edfc77e1a352a867399d27dcae

  • SSDEEP

    24576:gUHmsocCmYbx4wLMR+OXY0WvY0WvY0WvY0WvY0WvY0WvY0WvY0WPY0WvY0WvY0WI:xGkYbx4wLMR+d7c

Score
10/10

Malware Config

Extracted

Family

systembc

C2

spexblog17.xyz:4044

admstat45.xyz:4044

Signatures

  • SystemBC

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6.exe
    "C:\Users\Admin\AppData\Local\Temp\a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4488
  • C:\ProgramData\rilkusr\obkgcil.exe
    C:\ProgramData\rilkusr\obkgcil.exe start2
    1⤵
    • Executes dropped EXE
    PID:388

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\rilkusr\obkgcil.exe

          Filesize

          2.2MB

          MD5

          8cea9bc30046ce76a8d9d211206b9197

          SHA1

          408b79f4b244be9e288efe7185dc915aaf4a9cbc

          SHA256

          a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6

          SHA512

          95d2b4117ec60f1b0d1611e742da358d77e1488a66e5f87105bb0b1e71ba016e3e153769d51701a47bd8ca85ada38150ee50e7edfc77e1a352a867399d27dcae

        • C:\ProgramData\rilkusr\obkgcil.exe

          Filesize

          2.2MB

          MD5

          8cea9bc30046ce76a8d9d211206b9197

          SHA1

          408b79f4b244be9e288efe7185dc915aaf4a9cbc

          SHA256

          a8bf7dbcfe29c3c9c0bed1be3cd9cc2935e2bf60313c5721e37fbad5048f67c6

          SHA512

          95d2b4117ec60f1b0d1611e742da358d77e1488a66e5f87105bb0b1e71ba016e3e153769d51701a47bd8ca85ada38150ee50e7edfc77e1a352a867399d27dcae

        • memory/388-138-0x0000000000400000-0x0000000000664000-memory.dmp

          Filesize

          2.4MB

        • memory/388-139-0x0000000000950000-0x0000000000968000-memory.dmp

          Filesize

          96KB

        • memory/388-140-0x0000000000400000-0x0000000000664000-memory.dmp

          Filesize

          2.4MB

        • memory/388-141-0x0000000000950000-0x0000000000968000-memory.dmp

          Filesize

          96KB

        • memory/4488-133-0x0000000000400000-0x0000000000664000-memory.dmp

          Filesize

          2.4MB

        • memory/4488-134-0x0000000002430000-0x0000000002448000-memory.dmp

          Filesize

          96KB

        • memory/4488-135-0x0000000000400000-0x0000000000664000-memory.dmp

          Filesize

          2.4MB