Analysis

  • max time kernel
    95s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:29

General

  • Target

    purchase enquiry.exe

  • Size

    546KB

  • MD5

    5b77be057ea3410693cc26ae322c061e

  • SHA1

    e19c07c822b75d7a5c07f46e7cbae7f7793b0c71

  • SHA256

    c9baeb663cbaff9bf65fd9f54689c33501c7ad31f71d3ccca1f15ee6789f5fac

  • SHA512

    b8c7b7acc21dd641063f6456126a6c8ca460d52622fd78c2eb9f44ae96540b68ebd54be5f53341bf8d58d30cdf4f4a070b66f4aa07cc039269caff357c41024f

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase enquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase enquiry.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1808
    • C:\Windows\SysWOW64\netsh.exe
      "netsh" wlan show profile
      2⤵
        PID:1988

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1808-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

      Filesize

      8KB

    • memory/1808-55-0x0000000073F50000-0x00000000744FB000-memory.dmp

      Filesize

      5.7MB

    • memory/1808-56-0x0000000000A29000-0x0000000000A3A000-memory.dmp

      Filesize

      68KB

    • memory/1988-57-0x0000000000000000-mapping.dmp