Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    24-06-2020 15:10

General

  • Target

    Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.EXE

  • Size

    1.8MB

  • MD5

    cc5e307e68ccb5b363a1d8125e0edfb1

  • SHA1

    0937747b83e0624bec024daadeaf5c7effdbcb36

  • SHA256

    82ffa88d2b058317fcbc1af1c6fe06d7927be41ee28c7473a397f3db42670ca5

  • SHA512

    ac464272963a2208cf7061e22c75d2ae5b9c76ade74cd1c21aeb28690d2d2ccee45c2cfafe09ad588a56a802f438dfc9a56e60792f87e483db727b8286968815

Malware Config

Signatures

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • HawkEye

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

  • Adds Run entry 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 WriteProcessMemory 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Drops startup file 1 IoCs
  • 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\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.EXE
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.EXE"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Drops startup file
    PID:792
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Adds Run entry to start application
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: EnumeratesProcesses
      PID:1172
      • 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:1356
        • 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:1032

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Install Root Certificate

      1
      T1130

      Modify Registry

      2
      T1112

      Scripting

      1
      T1064

      Credential Access

      Credentials in Files

      1
      T1081

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      • memory/1032-7-0x0000000000442628-mapping.dmp
      • memory/1032-6-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1032-8-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1172-0-0x0000000000400000-0x0000000000488000-memory.dmp
        Filesize

        544KB

      • memory/1172-1-0x0000000000480C6E-mapping.dmp
      • memory/1172-2-0x0000000000400000-0x0000000000488000-memory.dmp
        Filesize

        544KB

      • memory/1356-3-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1356-4-0x0000000000411654-mapping.dmp
      • memory/1356-5-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB