Analysis

  • max time kernel
    62s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:43

General

  • Target
    Bank-Deposit-Slip.exe
  • Size 851KB
  • Sample201109-7x3twmay92
  • SHA256 17c7aa7df0ffa47ac142bcf82edb465eedabcc7a307e8726eb12c92698302e16
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.professionals.biz.pk

  • Port

    587

  • Password

    5HP&k4*z8jpf

Signatures

  • HawkEye

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank-Deposit-Slip.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank-Deposit-Slip.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Xgnyhy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7BA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4148
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3092
      • 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⤵
          PID:4000
        • 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⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4444

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/3092-2-0x0000000000400000-0x0000000000488000-memory.dmp

          memory/4000-4-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4000-6-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/4444-7-0x0000000000400000-0x0000000000458000-memory.dmp

          memory/4444-9-0x0000000000400000-0x0000000000458000-memory.dmp