Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 21:20

General

  • Target

    397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe

  • Size

    110KB

  • MD5

    d286c6a3caf009d2d5219cda2cc9ea78

  • SHA1

    f18e9e5e9e736bc31f651ef5f06a4debba892160

  • SHA256

    397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f

  • SHA512

    ad09e87ecc4d1374ce47ac1e1f4f96835a4155414f996d6cda983129df047337361720872b4082964b0a59f4f89d2513beec61a7369e510c4f285b65d278aa88

  • SSDEEP

    3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQO6zTvPZid:GjYKlAhUBVB3pQOqg

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\397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.exe
    "C:\Users\Admin\AppData\Local\Temp\397e3dff9eee81b1d7ed2cccb04351afd61f2c7e50d5d987589b8d1a26e3599f.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:1868
    • 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:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2SYkAB88y2NThTI.exe

    Filesize

    110KB

    MD5

    f30c2111eada81ba97f56b9354d67d0b

    SHA1

    bfd6398a18dde3f73fc15d8cb47b635b5c1040e1

    SHA256

    7c50503755ba30b7e4679437866e2d4fc18f54f1a814f6ea85289bf8c55adf00

    SHA512

    c466241ebaf003df1cbbf7fdc8b47135a0851c0d0caa7cced384c4dc11e162da72677ecd91e7a9d3ab99c80adc0697d9b0117fec552794f6530d2982780c5586

  • C:\Windows\CTS.exe

    Filesize

    86KB

    MD5

    0f736d30fbdaebed364c4cd9f084e500

    SHA1

    d7e96b736463af4b3edacd5cc5525cb70c593334

    SHA256

    431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

    SHA512

    570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566