Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • 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 use of WriteProcessMemory 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • UPX packed file 3 IoCs

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

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\oc3243546.exe
    "C:\Users\Admin\AppData\Local\Temp\oc3243546.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:1184
    • C:\Users\Admin\AppData\Local\Temp\oc3243546.exe
      "C:\Users\Admin\AppData\Local\Temp\oc3243546.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:316

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/316-0-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/316-2-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/316-3-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/316-4-0x0000000000280000-0x00000000002A2000-memory.dmp

        memory/316-5-0x00000000005B2000-0x00000000005B3000-memory.dmp

        memory/316-6-0x0000000000230000-0x000000000024C000-memory.dmp