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Analysis

  • max time kernel
    36s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    14/07/2024, 10:25

General

  • Target

    45695329649f94b72b296d683939fccc_JaffaCakes118.exe

  • Size

    197KB

  • MD5

    45695329649f94b72b296d683939fccc

  • SHA1

    1abaecdae58a4ef4812e5a58cc9f9a8adc2d088a

  • SHA256

    24b5d2d5fe7c1fcbb93b2a28001b02297287beb39bdeb90dcc3e3900dc21277b

  • SHA512

    c3cb8ff45ac86f9e7ccee992ada46af2b5358c93eb97c7c67f8d9d0de353a219dea33bd3243198ba1b46e5d2f519b0b53a237a52d8ab19f2af8b0c6ded54fe43

  • SSDEEP

    3072:UF2SRGOYiDEah5u2606Tqa4esT/TCJCKEOcP5/9iIttyB2BSz:UF22ojRnqa3DkvOIiwR0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45695329649f94b72b296d683939fccc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45695329649f94b72b296d683939fccc_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\Rmejea.exe
      C:\Windows\Rmejea.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Rmejea.exe

    Filesize

    197KB

    MD5

    45695329649f94b72b296d683939fccc

    SHA1

    1abaecdae58a4ef4812e5a58cc9f9a8adc2d088a

    SHA256

    24b5d2d5fe7c1fcbb93b2a28001b02297287beb39bdeb90dcc3e3900dc21277b

    SHA512

    c3cb8ff45ac86f9e7ccee992ada46af2b5358c93eb97c7c67f8d9d0de353a219dea33bd3243198ba1b46e5d2f519b0b53a237a52d8ab19f2af8b0c6ded54fe43

  • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

    Filesize

    372B

    MD5

    3b15f899225dc9af9f6182ad62157d28

    SHA1

    dbd20f0f40679461603c928ca5b1b66ee1ff9afd

    SHA256

    b5de190647313140e841674619fe6e833049009f5a24ded611113acf18355196

    SHA512

    d6a560681b0c23732f55af7060ba170ad3fb1650aa6f4796855c733d377c6e574ca4250119fddd88aa51931bafe427cb8b6768719055c4de79ae095946c523f0

  • memory/1908-4-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-0-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1908-11-0x0000000000590000-0x00000000005FC000-memory.dmp

    Filesize

    432KB

  • memory/1908-2-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1908-18-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1908-1-0x0000000000230000-0x000000000029C000-memory.dmp

    Filesize

    432KB

  • memory/1908-27086-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1924-14-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1924-17-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1924-20-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1924-48191-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/1924-48256-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1924-48258-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB