Analysis

  • max time kernel
    142s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    22/02/2022, 20:55

General

  • Target

    0b34a3b62a081aaf79b21e11c99e19cae47b59effa40361fb39d195997e92bc6.exe

  • Size

    520KB

  • MD5

    d88af359378d2afd51635420f0b1d817

  • SHA1

    1ae351776af8c551d9d5b4a905ead037b354dda9

  • SHA256

    0b34a3b62a081aaf79b21e11c99e19cae47b59effa40361fb39d195997e92bc6

  • SHA512

    76179ddf5700fe4827181f03e06ba3e135a5af42c1662f3c5fc43dbe6d5653ce5b031ee14fee02b16165d9b40f84da527941353e8be5ae7336a300c73f5fcdb4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @BlessAmerica12

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b34a3b62a081aaf79b21e11c99e19cae47b59effa40361fb39d195997e92bc6.exe
    "C:\Users\Admin\AppData\Local\Temp\0b34a3b62a081aaf79b21e11c99e19cae47b59effa40361fb39d195997e92bc6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Executes dropped EXE
      • Deletes itself
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:760
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1844
      • 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"
        3⤵
          PID:1492
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 452
          3⤵
          • Loads dropped DLL
          PID:1616

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/760-64-0x0000000001FF0000-0x0000000001FF1000-memory.dmp

            Filesize

            4KB

          • memory/760-63-0x0000000074851000-0x0000000074852000-memory.dmp

            Filesize

            4KB

          • memory/760-65-0x0000000074852000-0x0000000074854000-memory.dmp

            Filesize

            8KB

          • memory/760-66-0x0000000002006000-0x0000000002007000-memory.dmp

            Filesize

            4KB

          • memory/1212-57-0x0000000074852000-0x0000000074854000-memory.dmp

            Filesize

            8KB

          • memory/1212-54-0x0000000075891000-0x0000000075893000-memory.dmp

            Filesize

            8KB

          • memory/1212-55-0x0000000074851000-0x0000000074852000-memory.dmp

            Filesize

            4KB

          • memory/1212-56-0x0000000001F30000-0x0000000001F31000-memory.dmp

            Filesize

            4KB

          • memory/1492-70-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1492-72-0x0000000000400000-0x0000000000458000-memory.dmp

            Filesize

            352KB

          • memory/1616-76-0x0000000001E40000-0x0000000001E41000-memory.dmp

            Filesize

            4KB

          • memory/1844-67-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1844-69-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB