Analysis

  • max time kernel
    159s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 10:51

General

  • Target

    bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe

  • Size

    301KB

  • MD5

    96086778cb2d52f4d7bb5d5ab742236f

  • SHA1

    90cdf322ba90a29f7fb214e57fa1b68ed3faa57a

  • SHA256

    bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c

  • SHA512

    db985644023dd878321b9e2c7d533e1ec32026268c74c8e791104d08e903f3847eb45cbed36e7616f7866af318322de3d30eeda7b0952d9a8a888a84342327a5

  • SSDEEP

    6144:zXC4vgmhbIxs3NBBNlRnjiP+s+yUAckHSp4gCcQZTM+eC19ZtbY:zXCNi9BJJj2QyURkHSp4XH9M+esZy

Malware Config

Signatures

  • 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 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe
    "C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:676
    • C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe
      "C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe
        "C:\Users\Admin\AppData\Local\Temp\bb9823fcebb1f19356ab1da89210d0c1a391d48d5c821429dc4866e55fa4b57c.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/676-54-0x0000000075711000-0x0000000075713000-memory.dmp

          Filesize

          8KB