Analysis

  • max time kernel
    143s
  • max time network
    58s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    13/07/2020, 06:55

General

  • Target
    oc3243546.exe
  • Size 804KB
  • Sample200713-yntvxancx2
  • SHA256 6e6aebc63f1d6bcaf1859b1d9d75ee79d82d9af4059fd2c1a53fd84021c6393b
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • 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.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\oc3243546.exe
    "C:\Users\Admin\AppData\Local\Temp\oc3243546.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:3824
    • C:\Users\Admin\AppData\Local\Temp\oc3243546.exe
      "C:\Users\Admin\AppData\Local\Temp\oc3243546.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:3180

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3180-0-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/3180-2-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/3180-3-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/3180-4-0x00000000006E0000-0x0000000000702000-memory.dmp