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Analysis

  • max time kernel
    133s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 11:38

General

  • Target

    19f9225e57aa4380b83adbdd0ff71d6d_JaffaCakes118.exe

  • Size

    117KB

  • MD5

    19f9225e57aa4380b83adbdd0ff71d6d

  • SHA1

    1faee1e51eabfb9734ef8347ace38c0904444a3b

  • SHA256

    287e2c8578ec98e1f8d00e63be4cb296f52873e627e5ad0235b10935a10b804e

  • SHA512

    586a0bf6146addb08b430aa7b5956926f0fffc00681f1f2d847205d9b7bce1df09b1b6560636b608e4e1605cafbf1c49ab7289adc5b05f9a5df1e5a5499ae566

  • SSDEEP

    1536:ocNjQlsWjcd+xzl7SM+Gn824eo6KcR4mjD9r823Fo:bjr87S7Gnzbo6KcWmjRrz3+

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19f9225e57aa4380b83adbdd0ff71d6d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\19f9225e57aa4380b83adbdd0ff71d6d_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:4428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

    Filesize

    441KB

    MD5

    f61193bb6b72d64e1137118ad41fb5e2

    SHA1

    4c246578bf01336cc92c14b7ef03fedeb521e592

    SHA256

    ba48aa0f1a59743b4860f92ba3daa1fdbb94aca0b0d942cae98b3c143ac637ce

    SHA512

    d6ac8abd1212788de091ea1faaebc1ed26729a1d0ddd2b0266a3e6da887d12eca29a35babd0d3a46492f98221ccb54782a94db63cc860f79660766b3b767b4ff

  • C:\Users\Admin\AppData\Local\Temp\0wHKHTYQaWfLt1X.exe

    Filesize

    117KB

    MD5

    a09c9b05360d390c9f2ad0f04f11c248

    SHA1

    74a1f07aac450670d3a0b26464a419d197537d04

    SHA256

    0d325945338ba7103c49bf4c58fb21d9bf33c57c09e3fe00be0fd798ad782040

    SHA512

    5218e94aab5e7ea4d22261de9e1037f5af238d33c99ca74d0b28140a08558179339237b68542d9cf73b4f9eb98354c64dbf1996add0cc6438caefed46eac90a0

  • C:\Windows\CTS.exe

    Filesize

    117KB

    MD5

    90560322e00c64a66ef2099f55ff1f09

    SHA1

    1404109a21e4656daa9dc570c32e6385b6634344

    SHA256

    69346cf100b44fce4b64c433efc47601922b255c5d4182f4ecf1fcff1ca05bf4

    SHA512

    164e6e7654b55727940b212d56df47043f11e612b04cdfbc4c33ad455bbb5b1cece3882acc944cd526f3c5dcd519bcd1d01a3d796e95902bfc680f51dfe74f61

  • memory/2432-0-0x0000000000A30000-0x0000000000A47000-memory.dmp

    Filesize

    92KB

  • memory/2432-8-0x0000000000A30000-0x0000000000A47000-memory.dmp

    Filesize

    92KB

  • memory/4428-9-0x0000000000FA0000-0x0000000000FB7000-memory.dmp

    Filesize

    92KB