Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19-08-2024 04:10

General

  • Target

    a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe

  • Size

    63KB

  • MD5

    a9882ca9f29376841c49f8a91ae86587

  • SHA1

    9e96d6cca40be887a6c80d989ba10c30aefe28f6

  • SHA256

    4781180a4d0419f1b9ce5c0f2598dfd08082585da5493ec6978e7bd3e0de8bd0

  • SHA512

    2e29619773abfa3dfb7922c167a1e79e1855bc2cbd41d81b984ce7952f76775db676f743147019ea49ac4e788dd46f2921f75402e231f348e0d76d24668454b5

  • SSDEEP

    1536:Pg7vBBJpwzRmfpCxQLMc8zvG8oaPJ7TFf0pobN8a:Pg7vBjpwzRKtAVTRjZTWpobX

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Program Files (x86)\Common Files\notepad.exe
      "C:\Program Files (x86)\Common Files\notepad.exe" C:\Users\Admin\AppData\Local\Temp\a9882ca9f29376841c49f8a91ae86587_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\EE16.tmp" "8A'+  [=[SCMR'8[=' U"
        3⤵
        • Server Software Component: Terminal Services DLL
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:2896
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\EE16.tmp

    Filesize

    102KB

    MD5

    b8c1a0a0b6e5482bdc459e854534631d

    SHA1

    5ce40a94901e2b74cb5cbf46485bd5502ec73d00

    SHA256

    e672d709bb5a8da3e7a0c3b6fdee2bc658354dd14fb7a229d3594e3eca2ac71f

    SHA512

    5cce16e4d605412c295b9778ad7db2846804f542af4bb06a8e84a8874b493d9973cdab1bd69469c2fb9f38aa8a3f9023277c14464efb593bb2bdddda87d4e2c8

  • \Program Files (x86)\Common Files\notepad.exe

    Filesize

    63KB

    MD5

    a9882ca9f29376841c49f8a91ae86587

    SHA1

    9e96d6cca40be887a6c80d989ba10c30aefe28f6

    SHA256

    4781180a4d0419f1b9ce5c0f2598dfd08082585da5493ec6978e7bd3e0de8bd0

    SHA512

    2e29619773abfa3dfb7922c167a1e79e1855bc2cbd41d81b984ce7952f76775db676f743147019ea49ac4e788dd46f2921f75402e231f348e0d76d24668454b5

  • memory/2328-15-0x0000000000400000-0x000000000043ABF1-memory.dmp

    Filesize

    234KB

  • memory/2328-16-0x0000000000400000-0x000000000043ABF1-memory.dmp

    Filesize

    234KB

  • memory/2896-27-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/2896-21-0x00000000001B0000-0x00000000001CF000-memory.dmp

    Filesize

    124KB

  • memory/2920-28-0x0000000000100000-0x000000000011F000-memory.dmp

    Filesize

    124KB

  • memory/2920-26-0x0000000000100000-0x000000000011F000-memory.dmp

    Filesize

    124KB

  • memory/2992-6-0x0000000001EC0000-0x0000000001EFB000-memory.dmp

    Filesize

    236KB

  • memory/2992-18-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2992-17-0x0000000000400000-0x000000000043ABF1-memory.dmp

    Filesize

    234KB

  • memory/2992-11-0x0000000001EC0000-0x0000000001EFB000-memory.dmp

    Filesize

    236KB

  • memory/2992-0-0x0000000000400000-0x000000000043ABF1-memory.dmp

    Filesize

    234KB

  • memory/2992-1-0x0000000000400000-0x000000000043ABF1-memory.dmp

    Filesize

    234KB

  • memory/2992-2-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB