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Analysis

  • max time kernel
    61s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 12:15

General

  • Target

    8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe

  • Size

    197KB

  • MD5

    8eb57da4194cd7a0e76fdd5d951da8fa

  • SHA1

    b872e0055e1193f48a48717784482bae6171c7b2

  • SHA256

    4c57481feb4b640b57864d74c24697b911565447bfe9f229585a5d17dea2769f

  • SHA512

    dca04b87656899a35f68ab5a02ca4c8f3be459a0a7b8fa8fc948488989faeffd1faa0821ae5f9aa7d4a0b29721c07e53bb34bd9d919d06ee6ce57ade7286f76c

  • SSDEEP

    3072:OF2SRGOYiDEah5u2606Tqa4esT/TCJCKEOcP5/9iIttyB2BSz:OF22ojRnqa3DkvOIiwR0

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.

  • Drops file in Windows directory 6 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.

  • 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\8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8eb57da4194cd7a0e76fdd5d951da8fa_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\Ewuraa.exe
      C:\Windows\Ewuraa.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Ewuraa.exe

    Filesize

    197KB

    MD5

    8eb57da4194cd7a0e76fdd5d951da8fa

    SHA1

    b872e0055e1193f48a48717784482bae6171c7b2

    SHA256

    4c57481feb4b640b57864d74c24697b911565447bfe9f229585a5d17dea2769f

    SHA512

    dca04b87656899a35f68ab5a02ca4c8f3be459a0a7b8fa8fc948488989faeffd1faa0821ae5f9aa7d4a0b29721c07e53bb34bd9d919d06ee6ce57ade7286f76c

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

    Filesize

    372B

    MD5

    775b060c32a145e3ef5fa9151526e8ab

    SHA1

    cf55062f5614efb7b1e819dd98e7d205fd3953fc

    SHA256

    de8028c09d74d671035f944b0f25bcb05e3c699f38b479386c76c6a9af43c7a6

    SHA512

    5c5f9b8d9b21ca7f5843e679153cb04db39798de9fb162e8db91c9d535042621660779e1ffd99487a1bee501f4ee92db4cfb3ee0eb3b53f362041f8d09951980

  • memory/812-22683-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22675-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22639-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-13-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/812-22647-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22672-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-18-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/812-22651-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22664-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-23-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/812-22691-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22676-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-48260-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/812-22689-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22687-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22685-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22681-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22680-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22640-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22677-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-16-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/812-22670-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22668-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22666-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22663-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22650-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22646-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22644-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22643-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/812-22641-0x0000000001FA0000-0x00000000020A0000-memory.dmp

    Filesize

    1024KB

  • memory/2504-3-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2504-0-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2504-48257-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2504-20-0x0000000000400000-0x000000000046C000-memory.dmp

    Filesize

    432KB

  • memory/2504-1-0x00000000008D0000-0x000000000093C000-memory.dmp

    Filesize

    432KB

  • memory/2504-12-0x0000000000520000-0x000000000058C000-memory.dmp

    Filesize

    432KB

  • memory/2504-2-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB