Analysis

  • max time kernel
    139s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 07:46

General

  • Target

    4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe

  • Size

    959KB

  • MD5

    4a0fcda50ccb462074bb348ddaa031d2

  • SHA1

    3bc64f01699074912862f42d6b1d8d44524790a6

  • SHA256

    fb7257b29decf0a2438a8236599ce1f4210fe1325f390b89a5b59158ff0d3c2f

  • SHA512

    6b25665582405abd38c18b38501bc5e7e42a8fc91b5a5af327a9a375c407c11fb258d03451129e572419b545f6e2eed6d439dc5dd293cdb9a9820b3f33edb227

  • SSDEEP

    24576:wQCRRRRRRRRRRRRRRRRRRRRt6perrOUj6k7ZqC30xggliabfCqBpp2dzMhK:wQCRRRRRRRRRRRRRRRRRRRRtWk7Zx0gI

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3616
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe JcUdDQOiAJDdHEPAgDM
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        - CmdLine Args
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Mail.txt"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:3308
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Web.txt"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDM

    Filesize

    38KB

    MD5

    0c668eba5ed6fc26844763821af34654

    SHA1

    e5e159bd52a9446cfb4d9c837bc218da16007704

    SHA256

    3faa2cd150586a2a986bae173ab74d20e1835b32ddd64efbf099febfea48ff0e

    SHA512

    28a9ece2ada1bf96d09cf0bbc0849fa85b887761df870ab5921d38cd78a0aac3716d5612cd579109c76a7108cd5d13909faac7b0ff10a071887f619b28b48eea

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe

    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NPbKQaRKEEPX

    Filesize

    474KB

    MD5

    325f1db3b15588b5c2e86fb75d49fbae

    SHA1

    9bd5d9b8621386dad756efd76f0e28b902e53942

    SHA256

    07184cc3c4ac910066ad2ea6b32775b99a3944480aff717bedeb3b53b2e1683d

    SHA512

    a6d3ef2ee97c69e215541dbe408b2f3a44c24d5346372d364a9836fdc6bb6851cf982484682400157a788945d5ca8fe757a668dde411229906831a3e4c1516a5

  • C:\Users\Admin\AppData\Local\Temp\Web.txt

    Filesize

    3KB

    MD5

    b9daf88205e7429feaceda806bd561d2

    SHA1

    1893c80e74cfea9914343c6e4213393804a92dd1

    SHA256

    efa03262d4c3f5a46ab526946b8c7450d37eff4b5f8d53b43468655eea8cc027

    SHA512

    649ba70698611bd66aa91e40aaa81327a60efc098c1705729f9eb316c18e9bcca6af2363b24f8ac4aea5d25f12303833aedaada6fd26f1eebb86711a4e9baaf1

  • memory/404-17-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

    Filesize

    4KB

  • memory/968-24-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/968-23-0x0000000073DE2000-0x0000000073DE3000-memory.dmp

    Filesize

    4KB

  • memory/968-28-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/968-29-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/968-49-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/968-48-0x0000000073DE0000-0x0000000074391000-memory.dmp

    Filesize

    5.7MB

  • memory/968-47-0x0000000073DE2000-0x0000000073DE3000-memory.dmp

    Filesize

    4KB

  • memory/968-18-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/1960-45-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/1960-39-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1960-38-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1960-46-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/3308-36-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3308-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3308-32-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB