Analysis

  • max time kernel
    3s
  • max time network
    3s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 11:30

Errors

Reason
Machine shutdown

General

  • Target

    Ransomware PowerPoint.exe

  • Size

    136KB

  • MD5

    70108103a53123201ceb2e921fcfe83c

  • SHA1

    c71799a6a6d09ee758b04cdf90a4ab76fbd2a7e3

  • SHA256

    9c3f8df80193c085912c9950c58051ae77c321975784cc069ceacd4f57d5861d

  • SHA512

    996701c65eee7f781c2d22dce63f4a95900f36b97a99dcf833045bce239a08b3c2f6326b3a808431cdab92d59161dd80763e44126578e160d79b7095175d276b

  • SSDEEP

    1536:3VrdxBvcGdDHHtWv8udA1JYREgJ/qEOpsChnU4V1lyqHv4vAmOG9HSDKRppppp5B:1H5D0dSgo7ppTV1lyqPOAmOG9HSOD

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ransomware PowerPoint.exe
    "C:\Users\Admin\AppData\Local\Temp\Ransomware PowerPoint.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\sys3.exe
      C:\Users\Admin\AppData\Local\Temp\\sys3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of AdjustPrivilegeToken
      PID:2140
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2696
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2476

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Defense Evasion

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\systm.txt
        Filesize

        59B

        MD5

        214748056d47a2418b469bf7520556f2

        SHA1

        93c561cac44213ad6de3ccf0e6b6dcb0a39cb09e

        SHA256

        5ecbf39656b95ffa447f42cace84eb2c01fd5af713c9fd0e33e78b9d138ef42f

        SHA512

        55fb4805bcbed7fcd437a4bfb1de6a1b233cc2294a5082a8e1f782673f62061c9714547cd2853f5c6cb77882f7e560bcfc1db7eb0526f6eb967565c979f78017

      • \Users\Admin\AppData\Local\Temp\sys3.exe
        Filesize

        136KB

        MD5

        70108103a53123201ceb2e921fcfe83c

        SHA1

        c71799a6a6d09ee758b04cdf90a4ab76fbd2a7e3

        SHA256

        9c3f8df80193c085912c9950c58051ae77c321975784cc069ceacd4f57d5861d

        SHA512

        996701c65eee7f781c2d22dce63f4a95900f36b97a99dcf833045bce239a08b3c2f6326b3a808431cdab92d59161dd80763e44126578e160d79b7095175d276b

      • memory/2368-0-0x000000002AA00000-0x000000002AA24000-memory.dmp
        Filesize

        144KB

      • memory/2368-9-0x000000002AA00000-0x000000002AA24000-memory.dmp
        Filesize

        144KB

      • memory/2476-13-0x0000000002AA0000-0x0000000002AA1000-memory.dmp
        Filesize

        4KB

      • memory/2696-12-0x0000000002D90000-0x0000000002D91000-memory.dmp
        Filesize

        4KB