Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 02:14

General

  • Target

    a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe

  • Size

    71KB

  • MD5

    3db7fdd2465e950e96fb8c8db4011d2f

  • SHA1

    9b974d60f705ee3d96082feec0ca89bf1b38a87d

  • SHA256

    a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56

  • SHA512

    bfb4338415adcb755e23dc893fc86e8a36ab1d87b9fc6a36647083a8e47f5173e53865c3c6348fd5c9f87040e2f2b427e0588e1b4f6689d28d626968d395ace6

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT3i:ZhpAyazIlyazTS

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.

  • 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\a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe
    "C:\Users\Admin\AppData\Local\Temp\a690d50ae416687465f40064bcdc04ef19e9bd42e55b8b56f64d31851ad22e56.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3160
    • 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:4756

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

    394KB

    MD5

    769327ecd647deb4aefcddcd33b51184

    SHA1

    2bfd4690381efb09547b296a577fcf3789f9a6c1

    SHA256

    4e70cff34a6487f40333996f133d89eca176304dc122c699bcd95048e1c8ae9f

    SHA512

    153b341481ab93be7a1b1773f2ba185cdef0ce4437632b0575989b9a924891ec17ef6ca540fc0867d282fc4aa3335590ff9bc90562f374c917bc92f8a3ba4348

  • C:\Users\Admin\AppData\Local\Temp\hLQxfH1ascEREdO.exe

    Filesize

    71KB

    MD5

    797286bf85066b23f2da9bbbab49369d

    SHA1

    0aa0a84e35ddf12a785e5f78afe2d782a7746e4e

    SHA256

    4ba4e148b5e9b2f6a476002f1887779930cf863201ab88e73a004382506892c0

    SHA512

    dc12e657c9ab4de29995cb305176ea0cc0f9cc947ce19ba1334f2b2ca9bd2eac821ae1ae894ff2338901abb36b87455991b7f613f894dd123fd1dac5f583f2cf

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25