Analysis

  • max time kernel
    112s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    13-11-2021 08:33

General

  • Target

    s5.exe

  • Size

    185KB

  • MD5

    2207d926147a8ff6327a728a32f0365f

  • SHA1

    f7222a178adf853494700d6375d42adca3289c30

  • SHA256

    ef464ed72b73590e6f1fe174116e925258d742e2de02a7684aa841015db767e6

  • SHA512

    cc5be59c9ad4426c6cac4f5421e6f4b1335e8cc62f8bf771526394dd2ada7520c77763bc948ad7f2e6600fb6ee13a65a86c160973911a39ffee31904123d3f80

Score
10/10

Malware Config

Extracted

Family

systembc

C2

178.20.41.173:4001

Signatures

  • SystemBC

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

  • Drops file in Windows directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\s5.exe
    "C:\Users\Admin\AppData\Local\Temp\s5.exe"
    1⤵
    • Drops file in Windows directory
    PID:2808
  • C:\Users\Admin\AppData\Local\Temp\s5.exe
    C:\Users\Admin\AppData\Local\Temp\s5.exe start
    1⤵
      PID:3608

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2808-116-0x0000000002160000-0x0000000002165000-memory.dmp

      Filesize

      20KB

    • memory/2808-115-0x0000000002150000-0x0000000002156000-memory.dmp

      Filesize

      24KB

    • memory/2808-117-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3608-119-0x0000000000440000-0x000000000058A000-memory.dmp

      Filesize

      1.3MB

    • memory/3608-118-0x0000000000440000-0x000000000058A000-memory.dmp

      Filesize

      1.3MB

    • memory/3608-120-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB