Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:55

General

  • Target

    e568985688cde6ece09927298a84ec01_JaffaCakes118.exe

  • Size

    477KB

  • MD5

    e568985688cde6ece09927298a84ec01

  • SHA1

    10213f029178c06e68ea97f29d9dc4d37841c012

  • SHA256

    55d263a218f2ca5c687e4b0821916a75ca9600c8eab42d3fa86020edb3b4322f

  • SHA512

    1f12821ed7e66ea9c95a7b8d7532cfe3586710c5fa23e5d3e0ffec61f45d691d506f15cc7991ef6fc846d66c683e149f3178c22a4701ff6c3d677476166087c3

  • SSDEEP

    12288:h2LlVelDMjEZ6AhhAOfJ06eoajalEunBAu4m:h2LlVCDMjtHAJ061QI2uh

Malware Config

Signatures

  • Executes dropped EXE 2 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 5 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe
      C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe
      2⤵
      • Executes dropped EXE
      PID:3040
    • 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:4436

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

    352KB

    MD5

    b98734f6b5c3de9d7abbf11f6848c3db

    SHA1

    023733998a2892bae82f2b98f5a51f87eaa883f6

    SHA256

    078fa287ce258c877cea39d24ed156e8195a242a98646ae47bfe8b50cf5f2283

    SHA512

    81d3823cc13e1205b2d295cdec1470e91c36efd45cc58a1ef5f9435ddf424a3974918fb6a61e3ef8c1fca712213b5f386d8ff8280b97277bd675357c09471b12

  • C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe

    Filesize

    447KB

    MD5

    3f461ca3e3d9da036cf1a4a06ddf4fb4

    SHA1

    15395e4b656cee3a708bc50c1094e3fa0c46802e

    SHA256

    cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b

    SHA512

    d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • memory/2180-0-0x0000000000F20000-0x0000000000F37000-memory.dmp

    Filesize

    92KB

  • memory/2180-9-0x0000000000F20000-0x0000000000F37000-memory.dmp

    Filesize

    92KB

  • memory/4436-10-0x0000000000AC0000-0x0000000000AD7000-memory.dmp

    Filesize

    92KB