Analysis

  • max time kernel
    115s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 22:15

General

  • Target

    de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248.exe

  • Size

    112KB

  • MD5

    082a753add409e5872ca714d750fe0a0

  • SHA1

    47eb1650c8f41e7f855607b8aeca528c654c01a8

  • SHA256

    de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248

  • SHA512

    db5b0b5c6054780198439e2df2745d490489ba47e270d475fd35e89394fab2f65440fcdbd512ddec9b6a3dc732a496f736f2810a6b95712398d18a75572c4431

  • SSDEEP

    384:QfoTgyRy6neL6thoTzR/Iw1a94ziGbSrtMbjmeQW+YA:zbRyxL6za9+W+tMbjoz

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248.exe
    "C:\Users\Admin\AppData\Local\Temp\de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1564

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\de796778552dcb72a3e1704068620f3f8615e25dfcdcd57e2fbd5a5f8d5ad248.rtf

      Filesize

      5KB

      MD5

      409c015cea65938d5ca839566906678a

      SHA1

      b178759298c8ffcec647be824aecdc57fc64a6b4

      SHA256

      43f0a92edb5c73d83595fe13370f2c74343e87dcf9f675b80a804e83171b7548

      SHA512

      ebccb8a0c5907da7eb024965b6b486bbd3da616e2230821dd8a60bbc7e2ca3a571f5fde90e01c3973ba95914c4597ab2d2d4b8fc4309a10ce6780c8120006727

    • memory/1564-66-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

      Filesize

      8KB

    • memory/1768-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1768-58-0x0000000072701000-0x0000000072704000-memory.dmp

      Filesize

      12KB

    • memory/1768-59-0x0000000070181000-0x0000000070183000-memory.dmp

      Filesize

      8KB

    • memory/1768-62-0x000000007116D000-0x0000000071178000-memory.dmp

      Filesize

      44KB

    • memory/1768-64-0x000000007116D000-0x0000000071178000-memory.dmp

      Filesize

      44KB

    • memory/1768-67-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1768-68-0x000000007116D000-0x0000000071178000-memory.dmp

      Filesize

      44KB

    • memory/2032-54-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/2032-56-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/2032-55-0x0000000075201000-0x0000000075203000-memory.dmp

      Filesize

      8KB