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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 14:08

General

  • Target

    b252cb3de743f519b3409c66d6a8e9f8.exe

  • Size

    38KB

  • MD5

    b252cb3de743f519b3409c66d6a8e9f8

  • SHA1

    8d7f53af5a7984016b262a4bf7b62289ee74f7e6

  • SHA256

    878e5871058ed5b52b82a37713ed64dea749c6744b866da1d725f2f54825d250

  • SHA512

    7ca81fa58d035ddc11564ea0b81ba87927eb33ab7b30a912fb6b4c2215c24b0b09251647289aee7d7e0991d860950dc64b5f0055b4ba816e5f0ce83548f4d4a0

  • SSDEEP

    768:Rs3WTnYMR+epEy3r6PGFjJ5H8uWxxKDw0sJd0IGyKJfWHEx5J:WGt5JWnKDw00SUKNFTJ

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b252cb3de743f519b3409c66d6a8e9f8.exe
    "C:\Users\Admin\AppData\Local\Temp\b252cb3de743f519b3409c66d6a8e9f8.exe"
    1⤵
    • Adds Run key to start application
    PID:2676
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:2600
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3936 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PL0BY74L\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • memory/2676-0-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB

    • memory/2676-1-0x0000000000400000-0x0000000000445000-memory.dmp

      Filesize

      276KB