Analysis

  • max time kernel
    31s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21/11/2022, 14:51

General

  • Target

    709d67eb1a7dc6bffa7cd50f978d261f06018af57e47fc4bf45574b1da043964.exe

  • Size

    223KB

  • MD5

    3093e6b47aaacbe13aa8b54f0bb55110

  • SHA1

    5cce706aa4f38ea811b2f34a7f6395332f5ccf69

  • SHA256

    709d67eb1a7dc6bffa7cd50f978d261f06018af57e47fc4bf45574b1da043964

  • SHA512

    56b02880750a5d5ca4a67b287369b35780fdb772d64e5739bebed5172bdda1a9e7117417e8a85110fcf95e5fde6cee2cef88c804d7ab8b3c2064ef983fb7675b

  • SSDEEP

    3072:d5+iiVM2EB1GG/66WXrAdyUFVdhxDdiht1wNyY9y74W:3FiVdI3S6EabFbiD11R0W

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies AppInit DLL entries 2 TTPs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\709d67eb1a7dc6bffa7cd50f978d261f06018af57e47fc4bf45574b1da043964.exe
    "C:\Users\Admin\AppData\Local\Temp\709d67eb1a7dc6bffa7cd50f978d261f06018af57e47fc4bf45574b1da043964.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:1764
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8E5672F4-4AF4-45A4-AAAD-9B911A4F460D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\PROGRA~3\Mozilla\vjvysqf.exe
      C:\PROGRA~3\Mozilla\vjvysqf.exe -swhqdtn
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\vjvysqf.exe

    Filesize

    223KB

    MD5

    76fc737ebee6009241d1bd37fd8d8568

    SHA1

    d4afd416f91e147d7eb3a5350d0e992a875ab38f

    SHA256

    c6f4f233f996a70ea7a6b5abbbd2c45f8217180cc689a067ab48f6408d479c4e

    SHA512

    3703f2227c1907f5a9fb697a2788ed9f049ffa038ac1d98641990cf60e0ed65fd3f3307575570351f9b5733454294955bef07405a42762eecaed0922f0502df0

  • C:\PROGRA~3\Mozilla\vjvysqf.exe

    Filesize

    223KB

    MD5

    76fc737ebee6009241d1bd37fd8d8568

    SHA1

    d4afd416f91e147d7eb3a5350d0e992a875ab38f

    SHA256

    c6f4f233f996a70ea7a6b5abbbd2c45f8217180cc689a067ab48f6408d479c4e

    SHA512

    3703f2227c1907f5a9fb697a2788ed9f049ffa038ac1d98641990cf60e0ed65fd3f3307575570351f9b5733454294955bef07405a42762eecaed0922f0502df0

  • memory/584-63-0x00000000008B0000-0x000000000090B000-memory.dmp

    Filesize

    364KB

  • memory/584-64-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/584-65-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1764-54-0x0000000075001000-0x0000000075003000-memory.dmp

    Filesize

    8KB

  • memory/1764-56-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1764-55-0x00000000002F0000-0x000000000034B000-memory.dmp

    Filesize

    364KB

  • memory/1764-57-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1764-58-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB