Analysis

  • max time kernel
    143s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    19/07/2020, 19:23

General

  • Target
    grabbot_0.1.5.3.vir.exe
  • Size 280KB
  • Sample200719-v38mlqlfrs
  • SHA256 6d9e623ecfe0a68e9240fb25a1b25d57b4c42dcf5dfcf0a73e414a1347046204
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of AdjustPrivilegeToken
    • Deletes itself
    • Suspicious use of SendNotifyMessage
    • Adds Run key to start application
    • Checks whether UAC is enabled
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.5.3.vir.exe
      "C:\Users\Admin\AppData\Local\Temp\grabbot_0.1.5.3.vir.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\system32\svchost.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1436

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1436-0-0x0000000010000000-0x0000000010022000-memory.dmp

        memory/1436-2-0x0000000010000000-0x0000000010022000-memory.dmp