Analysis

  • max time kernel
    151s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    07-07-2020 18:09

General

  • Target

    Order07JUL2020-5-40HQ.exe

  • Size

    909KB

  • MD5

    e003ceeef6a45f3fe2d6b652d77816c8

  • SHA1

    96fbeecc72ace768f544b7e574b996171b8d02a0

  • SHA256

    8d8236eed9973c50c80b31c7aed1bab0a46dfdcc9b1f1ce749aa7d88963abe1b

  • SHA512

    e61fe04a71d50903e78f0b7dcbb8a01ea25b6424c32464e068d5bc38b60d008ce340b26137b15b25e652d108440a78d335367f83f273c8cdd9c6c5d5a55a3a50

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.tos-thailand.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    P@ssw0rd

Signatures

  • Suspicious use of SetThreadContext 4 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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.

  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • UPX packed file 5 IoCs

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

  • Deletes itself 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Loads dropped DLL 8 IoCs
  • Executes dropped EXE 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order07JUL2020-5-40HQ.exe
    "C:\Users\Admin\AppData\Local\Temp\Order07JUL2020-5-40HQ.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Users\Admin\AppData\Local\Temp\Order07JUL2020-5-40HQ.exe
      "C:\Users\Admin\AppData\Local\Temp\Order07JUL2020-5-40HQ.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:1432
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        • Loads dropped DLL
        • Executes dropped EXE
        PID:1508
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Adds Run entry to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          • Loads dropped DLL
          • Executes dropped EXE
          PID:1768
          • 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:1948
            • 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⤵
                PID:1952

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

      • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

      • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • \Users\Admin\AppData\Roaming\Windows Update.exe

      • memory/1432-2-0x0000000000400000-0x000000000051D000-memory.dmp

        Filesize

        1.1MB

      • memory/1432-4-0x0000000001E60000-0x0000000001EE8000-memory.dmp

        Filesize

        544KB

      • memory/1432-6-0x0000000000300000-0x0000000000383000-memory.dmp

        Filesize

        524KB

      • memory/1432-1-0x000000000051B520-mapping.dmp

      • memory/1432-0-0x0000000000400000-0x000000000051D000-memory.dmp

        Filesize

        1.1MB

      • memory/1432-5-0x00000000002F2000-0x00000000002F3000-memory.dmp

        Filesize

        4KB

      • memory/1432-3-0x0000000000400000-0x000000000051D000-memory.dmp

        Filesize

        1.1MB

      • memory/1508-9-0x0000000000000000-mapping.dmp

      • memory/1768-23-0x0000000000400000-0x000000000051D000-memory.dmp

        Filesize

        1.1MB

      • memory/1768-25-0x0000000000B60000-0x0000000000BE8000-memory.dmp

        Filesize

        544KB

      • memory/1768-26-0x0000000000C82000-0x0000000000C83000-memory.dmp

        Filesize

        4KB

      • memory/1768-24-0x0000000000400000-0x000000000051D000-memory.dmp

        Filesize

        1.1MB

      • memory/1768-17-0x000000000051B520-mapping.dmp

      • memory/1948-30-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1948-31-0x0000000000411654-mapping.dmp

      • memory/1948-32-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1952-33-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1952-34-0x0000000000442628-mapping.dmp

      • memory/1952-35-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB