Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 23:11

General

  • Target

    fb603a119a5714bf2fa79e64f67dceda_JaffaCakes118.exe

  • Size

    332KB

  • MD5

    fb603a119a5714bf2fa79e64f67dceda

  • SHA1

    2b7372dccc857bb55d571f2dd95c54fa7e8e1e66

  • SHA256

    7d8f26dcaa7aaa7fb02680772ab17380e88aadb06dc3033bd06658856ef0272d

  • SHA512

    3712b43a2f90188fb75a6893125b9f9ea4ed3ff969c787353c6c73086cf45eb02dde6d3914436ab0b521cfdfa5efe8d9ba0bfc462d307eefd5688692f7623439

  • SSDEEP

    6144:/itlyU+eCLtUT2HdPe/5xag5BaNvSGh1L7oTVyGqol:4P0e2cBxa6aNaGT7oTVx

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • 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\fb603a119a5714bf2fa79e64f67dceda_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb603a119a5714bf2fa79e64f67dceda_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:1364
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {6FB5DBE2-5BF9-49F8-8B1D-424117B80C34} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\PROGRA~3\Mozilla\anhxrcb.exe
      C:\PROGRA~3\Mozilla\anhxrcb.exe -wxojhrj
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\anhxrcb.exe

    Filesize

    332KB

    MD5

    f435669dde8b6c06a0ccec9cf2364a7a

    SHA1

    97cd992f1cb2a1b9ca4a157ba5f08ce8e91093ab

    SHA256

    741e141aa83de413edb7187fd9af1c6d01575605d08c47bbfc4dc4e2f094432d

    SHA512

    e68f7fe4caec1c442a0e84366793b39a93ad4e6e752950e7dd6378bee7d5b440b89831d17352418fd2081cf9e824bbd61aec007b76436c6b8218c684bd8a6dff

  • memory/1364-1-0x00000000002E0000-0x000000000033C000-memory.dmp

    Filesize

    368KB

  • memory/1364-0-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/1364-2-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1364-4-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/1364-5-0x00000000002E0000-0x000000000033C000-memory.dmp

    Filesize

    368KB

  • memory/2868-8-0x00000000008C0000-0x000000000091C000-memory.dmp

    Filesize

    368KB

  • memory/2868-9-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2868-11-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2868-12-0x00000000008C0000-0x000000000091C000-memory.dmp

    Filesize

    368KB