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Analysis

  • max time kernel
    15s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 05:56

General

  • Target

    c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe

  • Size

    103KB

  • MD5

    ccd03b78d966692f4d195cdb627539e0

  • SHA1

    0e0b2d354d3b5658b0c5cb890cd408e1bc2cfe44

  • SHA256

    c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458f

  • SHA512

    2e09affae5cdb9934f1a53c1751748e5a342c84eebd0d368249aa3405a1d181150522f166aebf1c5eaff1316fdf503a5ba38bf62272b392c880d88bbd6ff61fe

  • SSDEEP

    3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQOcqbCxLX:GjYKlAhUBVB3pQOpCLX

Malware Config

Signatures

  • Executes dropped EXE 1 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
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
    "C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.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:1016
    • 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:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\UX3PnSqi1dnrNb8.exe

    Filesize

    103KB

    MD5

    79d66ced438eda8a008153fc034a9a72

    SHA1

    730f97ab239215d287b1ff5092a0ec016414add7

    SHA256

    68a0c6d85bb5ed7f2b45d8086e29c2e02fefa1c994e0561975fe80d7c7dd5d5f

    SHA512

    5a0deda39b061d90f8649c51c7ca32076791abd72979138f36b2e299f9fa23070e68d20241c1e644e3232434b4af1b4d807050ec93585d059b830cc7edd16cfb

  • C:\Windows\CTS.exe

    Filesize

    86KB

    MD5

    0f736d30fbdaebed364c4cd9f084e500

    SHA1

    d7e96b736463af4b3edacd5cc5525cb70c593334

    SHA256

    431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

    SHA512

    570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566