Analysis

  • max time kernel
    228s
  • max time network
    314s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:46

General

  • Target

    86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe

  • Size

    76KB

  • MD5

    07510ddcb4612db4de92501fc7cc8d0b

  • SHA1

    86215d22b27c92a16e06ac1889036f755c376485

  • SHA256

    86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603

  • SHA512

    dca3d5ef2c705fc26843fd5a4b661c42b42060393b7ce60224d3405e2837012b0ea23f667d6d1fc4ca50afd35f5bbbbd653d64fb19ce7166acf9cf7d764bffc7

  • SSDEEP

    768:bUHa+nv1F4Ik/jtAvHzL2bX6jeNCNCTD/uhg/yXYGH9pwjEgyfLwAqiw1iXCLT9A:mFFmjqvP22jeANCXMAyX70IDvwOU9ggm

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe
    "C:\Users\Admin\AppData\Local\Temp\86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\864106~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1564
  • C:\Windows\dolvki.exe
    C:\Windows\dolvki.exe
    1⤵
    • Executes dropped EXE
    PID:432

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\dolvki.exe

    Filesize

    76KB

    MD5

    07510ddcb4612db4de92501fc7cc8d0b

    SHA1

    86215d22b27c92a16e06ac1889036f755c376485

    SHA256

    86410648ca0cf27bbf6980cf8eedc6bde2af72fbef12276ae66eb39c23eec603

    SHA512

    dca3d5ef2c705fc26843fd5a4b661c42b42060393b7ce60224d3405e2837012b0ea23f667d6d1fc4ca50afd35f5bbbbd653d64fb19ce7166acf9cf7d764bffc7

  • memory/1192-54-0x00000000763D1000-0x00000000763D3000-memory.dmp

    Filesize

    8KB

  • memory/1564-57-0x0000000000000000-mapping.dmp