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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:37

General

  • Target

    NEAS.bed672a2ff681d2008c259a539797250.exe

  • Size

    1.6MB

  • MD5

    bed672a2ff681d2008c259a539797250

  • SHA1

    4f225af6ff36b5737079cfe01dea27b523c7f867

  • SHA256

    ff5a0ec4bb1c182979751492b309bde9dd17cebe47f077bb62a9ac0a6584f380

  • SHA512

    241862b53cfac54160c5c65cdf1c9391f7adc93dd8c660c1989410337df6c8d4eef80e5c2fb99972b270e5fcb8a7017be42c2d95f106e7b0349dafb0945dcdc9

  • SSDEEP

    24576:rLILY8Xu/3y8UsG2BgYLicwnkjCHdebUKyZURQ1TgjTH:cYrC8UsGuTw2CHdeQKyZURQ1EjTH

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.bed672a2ff681d2008c259a539797250.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.bed672a2ff681d2008c259a539797250.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:320
    • 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\NEAS.bed672a2ff681d2008c259a539797250.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:2008
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\239218425.tmp

      Filesize

      1.6MB

      MD5

      bed672a2ff681d2008c259a539797250

      SHA1

      4f225af6ff36b5737079cfe01dea27b523c7f867

      SHA256

      ff5a0ec4bb1c182979751492b309bde9dd17cebe47f077bb62a9ac0a6584f380

      SHA512

      241862b53cfac54160c5c65cdf1c9391f7adc93dd8c660c1989410337df6c8d4eef80e5c2fb99972b270e5fcb8a7017be42c2d95f106e7b0349dafb0945dcdc9

    • C:\Users\Admin\AppData\Local\Temp\NEAS.bed672a2ff681d2008c259a539797250.doc

      Filesize

      64KB

      MD5

      3be36d7dd77e5b74dcae094cf50133fc

      SHA1

      8a44586e9ee453f2cac0187465a0288ef671a676

      SHA256

      db1bd3e372125886cbe1261c0e1d020565a09ac8f7431091e8b989e056371380

      SHA512

      12f5c3c0f19cdeb1964d8471c07c3cfd3ffe80c9180f5f3011fa8935e355d52f594f285174f3fee135d8267cbdafbc8ef9202bfeb07b4f7431590ab9741e3d86

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      dec93fb540afd1ba9a7aa493ebaaba3e

      SHA1

      b4c2e5b2d37efbff700aafe175dcc0385dcddb37

      SHA256

      12bcb5cc4f7fca98d2218224384e9922d8794ee34201b3f1fe600b60dda05906

      SHA512

      45edea2be8c9dfadf05f69d02a3e9748d2b624e8c4c12a0ba765fa2c7ff1883af1506243e27402ebc57a156ae889e916f370e69f3ebcf4d0e8fe62c3aea340a9

    • memory/2008-10-0x000000002F811000-0x000000002F812000-memory.dmp

      Filesize

      4KB

    • memory/2008-11-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2008-12-0x000000007113D000-0x0000000071148000-memory.dmp

      Filesize

      44KB

    • memory/2008-21-0x000000007113D000-0x0000000071148000-memory.dmp

      Filesize

      44KB

    • memory/2008-37-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2008-38-0x000000007113D000-0x0000000071148000-memory.dmp

      Filesize

      44KB