Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    08/02/2022, 16:55

General

  • Target

    b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe

  • Size

    750KB

  • MD5

    d1df4c1bac9aa943c9ecd985cb27701d

  • SHA1

    1a37e5905469cea9ddb8ef0132fbab97ffe053fc

  • SHA256

    b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404

  • SHA512

    02821ba49634d31f7180de49f4be7dc396f95b6ea23b5fc9fe579e3d3d272bbac8e53ba886bc39e42a2ddb569c0f20e745dce54156dbff4a30d14a6f8907f613

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe
    "C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2BE2.bat C:\Users\Admin\AppData\Local\Temp\b9e7ab65230fea95a7e5ef46aee7a89c888d8f8d75aa7bd94a8ae613a31ab404.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Users\Admin\AppData\Local\Temp\2BD1.tmp\2.exe
        2.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        PID:1220

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1688-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

          Filesize

          8KB