Analysis

  • max time kernel
    98s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 15:20

General

  • Target

    2f4d59a9a979b2bcf9a8408d54af6f32d5d7c59a1e93b8fe2827f4afdf2593ec.exe

  • Size

    211KB

  • MD5

    28e7bf52c035e1c6a7f7657f9c246d90

  • SHA1

    e022dad67870e4afa88f6cb1c98e1d6b2ec5c178

  • SHA256

    2f4d59a9a979b2bcf9a8408d54af6f32d5d7c59a1e93b8fe2827f4afdf2593ec

  • SHA512

    1f24935f8a6700cad5d2c96551c3502a9f7ace2a05f4132270514cd62a3ef1a5d9beb98dbed2d15b11e45f15ce41677887d3ca0b50854b0e85470cce39061e59

  • SSDEEP

    6144:Q21eiVrl1fo0As4KpxxbxDxxxx155nZxs1UoK4:z7Wts4KxxbxDxxxx15VZxa

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\2f4d59a9a979b2bcf9a8408d54af6f32d5d7c59a1e93b8fe2827f4afdf2593ec.exe
    "C:\Users\Admin\AppData\Local\Temp\2f4d59a9a979b2bcf9a8408d54af6f32d5d7c59a1e93b8fe2827f4afdf2593ec.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:1364
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {2C433CDB-8788-42D0-9C5A-7B7232631F55} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\PROGRA~3\Mozilla\jydekdj.exe
      C:\PROGRA~3\Mozilla\jydekdj.exe -vamlaul
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:1632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\jydekdj.exe

    Filesize

    211KB

    MD5

    ef570edb93ee14d022b7a37d2b5a2d77

    SHA1

    8f5a16e8777b614f83317dcd575cd7285cbff757

    SHA256

    81533ecc6954ed464e380213adc49b2882647391c5f5d8f798bcf32c2bb17a31

    SHA512

    3bc3da99dbe4b75db7b3e8140fa8373a4a27499a96d2b0c8fcb71131542cc96a6c81f6d8d3c2c297b0ee9a85dcaf21a61e35bd18ccaa472cde66ff742eae042d

  • C:\PROGRA~3\Mozilla\jydekdj.exe

    Filesize

    211KB

    MD5

    ef570edb93ee14d022b7a37d2b5a2d77

    SHA1

    8f5a16e8777b614f83317dcd575cd7285cbff757

    SHA256

    81533ecc6954ed464e380213adc49b2882647391c5f5d8f798bcf32c2bb17a31

    SHA512

    3bc3da99dbe4b75db7b3e8140fa8373a4a27499a96d2b0c8fcb71131542cc96a6c81f6d8d3c2c297b0ee9a85dcaf21a61e35bd18ccaa472cde66ff742eae042d

  • memory/1364-55-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1364-56-0x0000000000310000-0x000000000036B000-memory.dmp

    Filesize

    364KB

  • memory/1364-57-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1364-58-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1364-54-0x0000000075611000-0x0000000075613000-memory.dmp

    Filesize

    8KB

  • memory/1632-60-0x0000000000000000-mapping.dmp

  • memory/1632-63-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1632-64-0x0000000000460000-0x00000000004BB000-memory.dmp

    Filesize

    364KB

  • memory/1632-65-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1632-66-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1632-67-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB