Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 12:29

General

  • Target

    c0ffc0537b08f2b8e752a75e940c3a004021cb7d18b0511014b28a98273a09a1.exe

  • Size

    229KB

  • MD5

    70eacd9f022d3229dd2ce201fc6c7391

  • SHA1

    7a5846082eb2404ca64cfeea5ebb2ed9a062d8fe

  • SHA256

    c0ffc0537b08f2b8e752a75e940c3a004021cb7d18b0511014b28a98273a09a1

  • SHA512

    f51e5e2d12eabb8e25f7e41d3f73d401e7384a6cde8d473f27116ac7858cada614664e7f20732cefdf71e6170b306b78a8e47e684db5e1c05888f9701122a5e6

  • SSDEEP

    3072:URtnaxdjv3SoCrKdKUUTNHY5Snf8TvHTxK3STrOdHa5S2jbxWGqJsS:dj8rKdKUUhHYE0T7ciXOdHa5SbGqJx

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0ffc0537b08f2b8e752a75e940c3a004021cb7d18b0511014b28a98273a09a1.exe
    "C:\Users\Admin\AppData\Local\Temp\c0ffc0537b08f2b8e752a75e940c3a004021cb7d18b0511014b28a98273a09a1.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    PID:2144
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {536E9526-578B-4673-97D0-BA253A57BA99} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\PROGRA~3\Mozilla\grzejjh.exe
      C:\PROGRA~3\Mozilla\grzejjh.exe -kaflank
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\PROGRA~3\Mozilla\grzejjh.exe

          Filesize

          229KB

          MD5

          8c98d2caf195282645b2792fcbc9a93b

          SHA1

          42e5635344d624c1eb8869ee1c1b1db65d180354

          SHA256

          ea5373f870aedec9f625afb56cf4e9ea19e3640ca39972d6a2013c5d7a176225

          SHA512

          65195f8b6ac7e07f5f5078e2059da3f275546d1bec7a406583806fa524a2bd15fa6ce0173b2be62fbc1795e4a6f17a673f6edaf29dec31c4eb61503cbc2c3cdd

        • memory/2112-8-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2112-9-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2112-10-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2112-12-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2144-2-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2144-1-0x0000000000280000-0x00000000002DC000-memory.dmp

          Filesize

          368KB

        • memory/2144-0-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2144-4-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2144-5-0x0000000000280000-0x00000000002DC000-memory.dmp

          Filesize

          368KB