Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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 4 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:2192
    • 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:836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\xjNsM3ldyCwX5X4.exe

    Filesize

    71KB

    MD5

    e429a6f7ad9d4b17de6a3a4d99aaefa7

    SHA1

    10ae555eda14d5ad6bbbdb00040c77174de2b1de

    SHA256

    1c30c0af0c220de4efacc77faad32a161e65a329df6d898de84029be165fa7bf

    SHA512

    4c322ddf1907716d933b2547077d4e3ddebad1498044c7bd0b3140bcb34fb02c3a005ec069ead0059302379904e5a0d965084bce12c42c24460981f79172657c

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25