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Analysis

  • max time kernel
    120s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 12:00

General

  • Target

    cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991.exe

  • Size

    164KB

  • MD5

    6fd06e6f59f7b3abd446fdff0ff88905

  • SHA1

    446ad09e8dc7704945cd078b03d99d45b145826b

  • SHA256

    cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991

  • SHA512

    f2e141e4d90f581ae00d7c3d82631e140fe9cb93ef4f2b8694e8a7528873fda5d475b1de9c6c4ff7bd7eb370313d36ad437e685f49f9b536223bbdd05c3b0a0d

  • SSDEEP

    3072:jbhBhlcIxu9WxT0VHUxCCiUzv/RqBuJxT0VH0mefI+xHu7:RM7HU7xwHbgI+xO7

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 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991.exe
    "C:\Users\Admin\AppData\Local\Temp\cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Roaming\030650\017B90.exe
      "C:\Users\Admin\AppData\Roaming\030650\017B90.exe" -launcher
      2⤵
      • Executes dropped EXE
      PID:964
    • 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\cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991.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:832
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2008

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\cc2a0c17394eb22ae5f018873ccb79229894960337261aeb0eb190d01fef7991.exe--.doc

      Filesize

      29KB

      MD5

      8a199f8edfd7cde77aefa4cffc2609ad

      SHA1

      384f4497bd830c688509076de1084744b65e26b9

      SHA256

      184dee67806f9988b12d8d993be7437a6b70123598eb43eb34afd44ac87262a3

      SHA512

      56d7a0c59f67acb42ccfb429eb558ae51e93d469bd4c2a5e844eca7e9f1f997b5db79d5720521a99fdc5e0320f1e6d439fbbaf57b44fe9623ad321d9e1491c7e

    • C:\Users\Admin\AppData\Roaming\030650\017B90.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • C:\Users\Admin\AppData\Roaming\030650\017B90.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\030650\017B90.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\030650\017B90.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • \Users\Admin\AppData\Roaming\030650\017B90.exe

      Filesize

      107KB

      MD5

      e2a144637fe481358bf61e46fc9e0c8d

      SHA1

      4ad36a8444557d248d79b6ecf486c213a1762048

      SHA256

      a4a7601cc9a1530edfa9dfa8aaed77508cb089c35f180ff1e960167d2425f3cd

      SHA512

      8613c06ee5319a2d812f6a882f95bcfa4c791c7c7050a87b218db92283600b732dd31e3bf83961ad8d119ade3052664b93dbe0a94b19d8e3f80982e10dd06a75

    • memory/832-62-0x0000000072B11000-0x0000000072B14000-memory.dmp

      Filesize

      12KB

    • memory/832-63-0x0000000070591000-0x0000000070593000-memory.dmp

      Filesize

      8KB

    • memory/832-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/832-66-0x000000007157D000-0x0000000071588000-memory.dmp

      Filesize

      44KB

    • memory/832-70-0x000000007157D000-0x0000000071588000-memory.dmp

      Filesize

      44KB

    • memory/832-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1844-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

      Filesize

      8KB

    • memory/2008-69-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

      Filesize

      8KB