Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    24/06/2020, 13:13

General

  • Target
    po22JUN2020.exe
  • Size 930KB
  • Sample200624-dhmdvnwpb6
  • SHA256 9d52b33e1184f121f9b086b0296e5e1bf8d224bd9887780d86b01f43da7c85eb
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • UPX packed file 3 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\po22JUN2020.exe
    "C:\Users\Admin\AppData\Local\Temp\po22JUN2020.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:3264
    • C:\Users\Admin\AppData\Local\Temp\po22JUN2020.exe
      "C:\Users\Admin\AppData\Local\Temp\po22JUN2020.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        PID:1872
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          • Deletes itself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Adds Run entry to start application
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          PID:2052
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
              PID:3976
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:696

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/696-22-0x0000000000400000-0x0000000000458000-memory.dmp

          memory/696-20-0x0000000000400000-0x0000000000458000-memory.dmp

          memory/1224-5-0x0000000002252000-0x0000000002253000-memory.dmp

          memory/1224-0-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/1224-4-0x00000000022F0000-0x0000000002378000-memory.dmp

          memory/1224-3-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/1224-2-0x0000000000400000-0x000000000051D000-memory.dmp

          memory/2052-14-0x0000000002280000-0x0000000002308000-memory.dmp

          memory/2052-15-0x0000000000A22000-0x0000000000A23000-memory.dmp

          memory/3976-17-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/3976-19-0x0000000000400000-0x000000000041B000-memory.dmp