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Analysis

  • max time kernel
    153s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 16:40

General

  • Target

    e7d75ad3b658cb8faab816e12e996f201d9d945018e12ddaa9f84e656632d9bc.exe

  • Size

    232KB

  • MD5

    71e269f176c9876d39ec73357a73a6a1

  • SHA1

    1c43e83457755f2d8beb1a0d40187a1dce65b567

  • SHA256

    e7d75ad3b658cb8faab816e12e996f201d9d945018e12ddaa9f84e656632d9bc

  • SHA512

    b729ffd742ae66e3fb8c6fb20f1cc2d00c5bc84bbd14526b558bbaea7fe79898c8b081d8197d18211807d26420baaee966be149b33355aaffe85c6d244107fe9

  • SSDEEP

    3072:jbhBhlcIxu9WxT0VHUxCCiUzv/RqBuJxT0VH9Ymtm+Jln5O8iIYojkNZ6e7vMIRv:RM7HU7xwHdt575OnmkNN7EId/

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7d75ad3b658cb8faab816e12e996f201d9d945018e12ddaa9f84e656632d9bc.exe
    "C:\Users\Admin\AppData\Local\Temp\e7d75ad3b658cb8faab816e12e996f201d9d945018e12ddaa9f84e656632d9bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Roaming\011790\0147C8.exe
      "C:\Users\Admin\AppData\Roaming\011790\0147C8.exe" -launcher
      2⤵
      • Executes dropped EXE
      PID:1612
    • 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\e7d75ad3b658cb8faab816e12e996f201d9d945018e12ddaa9f84e656632d9bc.exe--.doc"
      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:1128
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1288

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\011790\0147C8.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • C:\Users\Admin\AppData\Roaming\011790\0147C8.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\011790\0147C8.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\011790\0147C8.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\011790\0147C8.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • memory/1128-63-0x000000006FD41000-0x000000006FD43000-memory.dmp

      Filesize

      8KB

    • memory/1128-62-0x00000000722C1000-0x00000000722C4000-memory.dmp

      Filesize

      12KB

    • memory/1128-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1128-65-0x0000000070D2D000-0x0000000070D38000-memory.dmp

      Filesize

      44KB

    • memory/1128-67-0x0000000070D2D000-0x0000000070D38000-memory.dmp

      Filesize

      44KB

    • memory/1288-69-0x000007FEFB7D1000-0x000007FEFB7D3000-memory.dmp

      Filesize

      8KB

    • memory/1584-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

      Filesize

      8KB