Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07/02/2022, 21:38

General

  • Target

    7f21a04122b0cd93c1f8ffa63482c9c9d79def2a01c9a664f79dd7323d010d0f.exe

  • Size

    1.9MB

  • MD5

    0be35b571c6279490eedca5e68f77e56

  • SHA1

    61f7734dd61dc1c5b113c5293cafa87fc4f2eea3

  • SHA256

    7f21a04122b0cd93c1f8ffa63482c9c9d79def2a01c9a664f79dd7323d010d0f

  • SHA512

    9f7bcf9931575278a9a86e67c83857902d3f822df589d346ef7050ed9c867a3747b82d1fc70d7eda069021daf10127767dce571a098aa6eb556a9f1d22f52231

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\7f21a04122b0cd93c1f8ffa63482c9c9d79def2a01c9a664f79dd7323d010d0f.exe
    "C:\Users\Admin\AppData\Local\Temp\7f21a04122b0cd93c1f8ffa63482c9c9d79def2a01c9a664f79dd7323d010d0f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\system32\cmd.exe
      "C:\Windows\sysnative\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\2AF7.tmp\2AF8.bat C:\Users\Admin\AppData\Local\Temp\7f21a04122b0cd93c1f8ffa63482c9c9d79def2a01c9a664f79dd7323d010d0f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Users\Admin\AppData\Local\Temp\2AF7.tmp\2.exe
        2.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: CmdExeWriteProcessMemorySpam
        PID:1208

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1532-55-0x0000000074F11000-0x0000000074F13000-memory.dmp

          Filesize

          8KB