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Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 19:01

General

  • Target

    0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe

  • Size

    115KB

  • MD5

    0702a47469fb24097101aae1c6c6cdb2

  • SHA1

    2651e587be799449519e6007d0e8022a242523be

  • SHA256

    11d37c2ae5f056560a6f90a6d6fbd554763a08ef5453ee914e301dfc7b4644b0

  • SHA512

    5cb1a224517f2944208df39a031337755ca9a9282e2d548f326d6685adeff9693f5422ed8ca8e30f2287a838e14e1ae66b9152487495f8fd93de10558aad149d

  • SSDEEP

    3072:SKcWmjRrz3ZKcWmjRrz31BJEGY075ySUy7ohgBsLHy1W:hGyGRdYU7UAqy8

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in Windows directory 2 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0702a47469fb24097101aae1c6c6cdb2_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Users\Admin\AppData\Local\Temp\R5BlN4gj69VqRrf.exe
      C:\Users\Admin\AppData\Local\Temp\R5BlN4gj69VqRrf.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 812
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3176
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2976

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

    382KB

    MD5

    ca01b90bb63e0e68f25845b13ffe9c41

    SHA1

    1bb6e4b014a7780785bf010f9d0f24d0f949b3b4

    SHA256

    ae7724f835c848719fdb251b9f6a5778e9bf05c9f50af22345a52e08921b6450

    SHA512

    97ed6bf15e09ffe369a9c66a17e5bcc0a7b4217c8849a55a0771fc4891502872e23fb005a38f6c4e06f72e7a0ed6a474691203c7e48ca3b71204f769decac283

  • C:\Users\Admin\AppData\Local\Temp\R5BlN4gj69VqRrf.exe

    Filesize

    56KB

    MD5

    e115521ba14b75f53dcdff087ec6898f

    SHA1

    87103a892bb514a93d485fba221bacb9da3aae25

    SHA256

    59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

    SHA512

    ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

  • C:\Windows\CTS.exe

    Filesize

    59KB

    MD5

    5efd390d5f95c8191f5ac33c4db4b143

    SHA1

    42d81b118815361daa3007f1a40f1576e9a9e0bc

    SHA256

    6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

    SHA512

    720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

  • memory/1856-0-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/1856-9-0x0000000000040000-0x0000000000057000-memory.dmp

    Filesize

    92KB

  • memory/2976-7-0x0000000000380000-0x0000000000397000-memory.dmp

    Filesize

    92KB

  • memory/2976-40-0x0000000000380000-0x0000000000397000-memory.dmp

    Filesize

    92KB

  • memory/3548-24-0x00007FFCB1735000-0x00007FFCB1736000-memory.dmp

    Filesize

    4KB

  • memory/3548-27-0x00007FFCB1480000-0x00007FFCB1E21000-memory.dmp

    Filesize

    9.6MB

  • memory/3548-28-0x00007FFCB1480000-0x00007FFCB1E21000-memory.dmp

    Filesize

    9.6MB

  • memory/3548-35-0x00007FFCB1480000-0x00007FFCB1E21000-memory.dmp

    Filesize

    9.6MB