Analysis

  • max time kernel
    99s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 04:27

General

  • Target

    549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625.exe

  • Size

    1005KB

  • MD5

    d84eb15977825d460358b69daa264677

  • SHA1

    9bddee35822552ba80d311445913b818f1857d0f

  • SHA256

    549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625

  • SHA512

    fd4c56a6d4961455d7ddf8cbe17fd872f23c9b8bd7abb1eaf3f914b92583ad25bf07b4e7a65b0c4466800b1d6c20f0981b50cca0121f71fe67a187e9d81feebd

  • SSDEEP

    12288:nnAiyMZ8oPEVzTEnUycspBKugd7uDjde1sKcilllPqwHiZEIUbWSDz45ohOk0csk:nAdMZHDp6dge1sKgwHMExe53csPM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    waterly123

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 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 2 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625.exe
    "C:\Users\Admin\AppData\Local\Temp\549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Windows\SysWOW64\CMD.exe
      "CMD"
      2⤵
        PID:1604
      • C:\Windows\SysWOW64\CMD.exe
        "CMD"
        2⤵
          PID:1328
        • C:\Users\Admin\AppData\Local\Temp\549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625.exe
          "C:\Users\Admin\AppData\Local\Temp\549fb298edd559b7d7a06c185fb78daa65a15eb9d30a8886775a1a8827bdf625.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2732
          • 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:1060
          • 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:1688

      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

        3KB

        MD5

        f94dc819ca773f1e3cb27abbc9e7fa27

        SHA1

        9a7700efadc5ea09ab288544ef1e3cd876255086

        SHA256

        a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

        SHA512

        72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

      • memory/1060-288-0x0000000000000000-mapping.dmp
      • memory/1060-289-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1060-291-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1060-294-0x0000000000400000-0x000000000041B000-memory.dmp
        Filesize

        108KB

      • memory/1328-277-0x0000000000000000-mapping.dmp
      • memory/1604-276-0x0000000000000000-mapping.dmp
      • memory/1688-307-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1688-308-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1688-305-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/1688-304-0x0000000000000000-mapping.dmp
      • memory/1688-310-0x0000000000400000-0x0000000000458000-memory.dmp
        Filesize

        352KB

      • memory/2732-302-0x00000000747D0000-0x0000000074D81000-memory.dmp
        Filesize

        5.7MB

      • memory/2732-282-0x00000000747D0000-0x0000000074D81000-memory.dmp
        Filesize

        5.7MB

      • memory/2732-280-0x0000000000400000-0x0000000000484000-memory.dmp
        Filesize

        528KB

      • memory/2732-279-0x0000000000000000-mapping.dmp
      • memory/4420-231-0x0000000001711000-0x0000000001713000-memory.dmp
        Filesize

        8KB

      • memory/4420-260-0x000000000170D000-0x000000000170F000-memory.dmp
        Filesize

        8KB

      • memory/4420-145-0x000000000171B000-0x000000000171D000-memory.dmp
        Filesize

        8KB

      • memory/4420-146-0x000000000171E000-0x0000000001721000-memory.dmp
        Filesize

        12KB

      • memory/4420-147-0x000000000170C000-0x000000000170E000-memory.dmp
        Filesize

        8KB

      • memory/4420-148-0x000000000170D000-0x000000000170F000-memory.dmp
        Filesize

        8KB

      • memory/4420-149-0x0000000001720000-0x0000000001722000-memory.dmp
        Filesize

        8KB

      • memory/4420-150-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-151-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-152-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-153-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-154-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-156-0x0000000001721000-0x0000000001723000-memory.dmp
        Filesize

        8KB

      • memory/4420-155-0x0000000001720000-0x0000000001722000-memory.dmp
        Filesize

        8KB

      • memory/4420-157-0x000000000172C000-0x000000000172E000-memory.dmp
        Filesize

        8KB

      • memory/4420-158-0x000000000172B000-0x000000000172D000-memory.dmp
        Filesize

        8KB

      • memory/4420-159-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-160-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-161-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-162-0x000000000172A000-0x000000000172F000-memory.dmp
        Filesize

        20KB

      • memory/4420-168-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-178-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-188-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-198-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-210-0x00000000747D0000-0x0000000074D81000-memory.dmp
        Filesize

        5.7MB

      • memory/4420-211-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-212-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-221-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-143-0x000000000171B000-0x000000000171D000-memory.dmp
        Filesize

        8KB

      • memory/4420-232-0x0000000001715000-0x0000000001717000-memory.dmp
        Filesize

        8KB

      • memory/4420-233-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-235-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-246-0x000000000171B000-0x000000000171D000-memory.dmp
        Filesize

        8KB

      • memory/4420-245-0x0000000001716000-0x0000000001718000-memory.dmp
        Filesize

        8KB

      • memory/4420-247-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-249-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-250-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-144-0x0000000001716000-0x0000000001718000-memory.dmp
        Filesize

        8KB

      • memory/4420-261-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-262-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-271-0x0000000001721000-0x0000000001723000-memory.dmp
        Filesize

        8KB

      • memory/4420-270-0x0000000001720000-0x0000000001722000-memory.dmp
        Filesize

        8KB

      • memory/4420-273-0x000000000172B000-0x000000000172D000-memory.dmp
        Filesize

        8KB

      • memory/4420-274-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-275-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-272-0x000000000172C000-0x000000000172E000-memory.dmp
        Filesize

        8KB

      • memory/4420-278-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-281-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-283-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-284-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-285-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-286-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-287-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-141-0x0000000001711000-0x0000000001713000-memory.dmp
        Filesize

        8KB

      • memory/4420-142-0x0000000001715000-0x0000000001717000-memory.dmp
        Filesize

        8KB

      • memory/4420-140-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-292-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-293-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-139-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-295-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-296-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-297-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-299-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-298-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-300-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-301-0x0000000006C90000-0x0000000006D90000-memory.dmp
        Filesize

        1024KB

      • memory/4420-138-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-303-0x00000000747D0000-0x0000000074D81000-memory.dmp
        Filesize

        5.7MB

      • memory/4420-137-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-136-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-134-0x00000000747D0000-0x0000000074D81000-memory.dmp
        Filesize

        5.7MB

      • memory/4420-135-0x0000000001711000-0x0000000001715000-memory.dmp
        Filesize

        16KB

      • memory/4420-133-0x00000000016EC000-0x00000000016F5000-memory.dmp
        Filesize

        36KB

      • memory/4420-132-0x00000000016EC000-0x00000000016F5000-memory.dmp
        Filesize

        36KB