Analysis

  • max time kernel
    96s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2022 03:28

General

  • Target

    5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc.exe

  • Size

    836KB

  • MD5

    24d7e953e0e46be83259ee83168f7088

  • SHA1

    b36eb7432248d008797aa3d45bdc0df6e15b6862

  • SHA256

    5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc

  • SHA512

    246136880d077ed6c7fde2ee491f644954e6640c518cf6324d2fe4a4750db5121a324f763559ac6714410506c1dc2ad31d719cba7369ed8b2d1113a8becc6a55

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 10 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 9 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 14 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 2 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc.exe
    "C:\Users\Admin\AppData\Local\Temp\5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc.exe" "C:\Users\Admin\Documents\Project111.exe"
      2⤵
        PID:1972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\Documents\Project111.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:952
        • C:\Users\Admin\Documents\Project111.exe
          "C:\Users\Admin\Documents\Project111.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1804
          • C:\Users\Admin\Documents\Project111.exe
            "C:\Users\Admin\Documents\Project111.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1836
            • 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⤵
              • Accesses Microsoft Outlook accounts
              PID:1916
            • 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:764

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Scripting

      1
      T1064

      Modify Registry

      1
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        2B

        MD5

        f3b25701fe362ec84616a93a45ce9998

        SHA1

        d62636d8caec13f04e28442a0a6fa1afeb024bbb

        SHA256

        b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

        SHA512

        98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

      • C:\Users\Admin\Documents\Project111.exe
        Filesize

        836KB

        MD5

        24d7e953e0e46be83259ee83168f7088

        SHA1

        b36eb7432248d008797aa3d45bdc0df6e15b6862

        SHA256

        5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc

        SHA512

        246136880d077ed6c7fde2ee491f644954e6640c518cf6324d2fe4a4750db5121a324f763559ac6714410506c1dc2ad31d719cba7369ed8b2d1113a8becc6a55

      • C:\Users\Admin\Documents\Project111.exe
        Filesize

        836KB

        MD5

        24d7e953e0e46be83259ee83168f7088

        SHA1

        b36eb7432248d008797aa3d45bdc0df6e15b6862

        SHA256

        5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc

        SHA512

        246136880d077ed6c7fde2ee491f644954e6640c518cf6324d2fe4a4750db5121a324f763559ac6714410506c1dc2ad31d719cba7369ed8b2d1113a8becc6a55

      • C:\Users\Admin\Documents\Project111.exe
        Filesize

        836KB

        MD5

        24d7e953e0e46be83259ee83168f7088

        SHA1

        b36eb7432248d008797aa3d45bdc0df6e15b6862

        SHA256

        5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc

        SHA512

        246136880d077ed6c7fde2ee491f644954e6640c518cf6324d2fe4a4750db5121a324f763559ac6714410506c1dc2ad31d719cba7369ed8b2d1113a8becc6a55

      • \Users\Admin\Documents\Project111.exe
        Filesize

        836KB

        MD5

        24d7e953e0e46be83259ee83168f7088

        SHA1

        b36eb7432248d008797aa3d45bdc0df6e15b6862

        SHA256

        5a770772b4d547660b1c784c094f08ce7547d6bcea38b31056397506461371fc

        SHA512

        246136880d077ed6c7fde2ee491f644954e6640c518cf6324d2fe4a4750db5121a324f763559ac6714410506c1dc2ad31d719cba7369ed8b2d1113a8becc6a55

      • memory/764-95-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/764-90-0x0000000000442628-mapping.dmp
      • memory/764-93-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/764-89-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/952-59-0x0000000000000000-mapping.dmp
      • memory/1048-57-0x0000000075511000-0x0000000075513000-memory.dmp
        Filesize

        8KB

      • memory/1048-56-0x00000000003E0000-0x0000000000400000-memory.dmp
        Filesize

        128KB

      • memory/1048-55-0x0000000004C00000-0x0000000004CF4000-memory.dmp
        Filesize

        976KB

      • memory/1048-54-0x0000000001350000-0x000000000142A000-memory.dmp
        Filesize

        872KB

      • memory/1804-62-0x0000000000000000-mapping.dmp
      • memory/1804-64-0x0000000000060000-0x000000000013A000-memory.dmp
        Filesize

        872KB

      • memory/1804-65-0x0000000007000000-0x00000000070F4000-memory.dmp
        Filesize

        976KB

      • memory/1836-70-0x0000000000160000-0x00000000001E4000-memory.dmp
        Filesize

        528KB

      • memory/1836-75-0x0000000000160000-0x00000000001E4000-memory.dmp
        Filesize

        528KB

      • memory/1836-81-0x0000000000710000-0x0000000000718000-memory.dmp
        Filesize

        32KB

      • memory/1836-96-0x0000000004D75000-0x0000000004D86000-memory.dmp
        Filesize

        68KB

      • memory/1836-80-0x0000000004D75000-0x0000000004D86000-memory.dmp
        Filesize

        68KB

      • memory/1836-68-0x000000000047EA7E-mapping.dmp
      • memory/1836-71-0x0000000000160000-0x00000000001E4000-memory.dmp
        Filesize

        528KB

      • memory/1836-78-0x0000000000160000-0x00000000001E4000-memory.dmp
        Filesize

        528KB

      • memory/1916-83-0x0000000000411654-mapping.dmp
      • memory/1916-88-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1916-87-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1916-86-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1916-82-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1972-58-0x0000000000000000-mapping.dmp