Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 23:42

General

  • Target

    993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe

  • Size

    71KB

  • MD5

    2760418b3432067c2872bf64d585606b

  • SHA1

    23daab32a709c6bae525ba09c8f526934fc71c34

  • SHA256

    993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa

  • SHA512

    6e76e65b2aac5c6d67135e118950650c73c043990455d2c79790d7178876ba9ea4af55cd5b25aface157d9beb0ae002cf83820e12035c29fdc06bb2b2cafc69d

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTX:ZhpAyazIlyazTX

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\993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe
    "C:\Users\Admin\AppData\Local\Temp\993a491d0a6ade56021be52ae5ddcde52daeeb009389e5820e410ba3d173abfa.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • 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:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\M8S64oOxg7UoRRb.exe

    Filesize

    71KB

    MD5

    42a6e466693343a2bf761b139e5d1081

    SHA1

    6e070f7fb3f52674edd6f8f4ab3c0bb7d519f312

    SHA256

    ca0eda1255d46dd67a33557d1a34e9e63325c1c2fe4c45bf7cb189d5a288cc6a

    SHA512

    a5f4bb3c619e271442792a3518084855814480bcf9ebfff7b7fc515dab57f3212a42061994d921d870087900f642e28a3f7d74832ef4a5d129544d529d0c6a45

  • C:\Windows\CTS.exe

    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25