Analysis

  • max time kernel
    153s
  • max time network
    191s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 09:17

General

  • Target

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02.exe

  • Size

    697KB

  • MD5

    343c326e824393b35e3bff033c097a0f

  • SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

  • SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

  • SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

  • SSDEEP

    12288:Ic4zJ7hNsViyCPCE2OZtYPIUR1eDGPTja2x6AeL7J:IrJti4PCKEIAIKru2x6AK7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Confirmed1

Signatures

  • HawkEye

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

  • NirSoft MailPassView 12 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 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 3 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 behavior: EnumeratesProcesses 64 IoCs
  • 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\a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02.exe
    "C:\Users\Admin\AppData\Local\Temp\a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:792
    • C:\Users\Admin\AppData\Local\Temp\a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02.exe
      "C:\Users\Admin\AppData\Local\Temp\a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:892
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1956
          • 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:1052

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\SysInfo.txt
    Filesize

    102B

    MD5

    af05f065e77521d5b2478c39369b1441

    SHA1

    f38175fd13f3cec255fc00885f6b4b1f0d24c2a4

    SHA256

    cb591bf738d39544be82ec7e64618d879bfbe94afd9dd95fb2359725cbd8773e

    SHA512

    3b0c0c49fdec99ce9aca3602092e99ea9a10d273c783001c840f25375750c7bf93f98e08275f8f5e31da23851b632a68bee83af35308079b903ef0b993954e7a

  • C:\Users\Admin\AppData\Roaming\Microsoft\VAIO Update.exe
    Filesize

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

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

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

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

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

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

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

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

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

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

    697KB

    MD5

    343c326e824393b35e3bff033c097a0f

    SHA1

    6d7319e0ccdff67f9811a7a65ad0dacc6867162e

    SHA256

    a89fe721aae8f6516789b934c8f055e5ef81a7ab6aa7ceebd79c4105ba75aa02

    SHA512

    16cfa14a92eba2cf20f7e1d01138a8bbcc305361db80fbf5782d3fe8db0e8fcbcbdd4ba39e33855e51a2763f5daae820b465a21ae2488db58229561aa02e0824

  • memory/792-68-0x0000000074300000-0x00000000748AB000-memory.dmp
    Filesize

    5.7MB

  • memory/792-55-0x0000000074300000-0x00000000748AB000-memory.dmp
    Filesize

    5.7MB

  • memory/792-54-0x0000000074E01000-0x0000000074E03000-memory.dmp
    Filesize

    8KB

  • memory/892-87-0x0000000074300000-0x00000000748AB000-memory.dmp
    Filesize

    5.7MB

  • memory/892-70-0x0000000000000000-mapping.dmp
  • memory/892-75-0x0000000074300000-0x00000000748AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1052-95-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1052-101-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1052-100-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1052-99-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1052-96-0x0000000000411654-mapping.dmp
  • memory/1088-60-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-66-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-59-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-57-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-56-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-61-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1088-74-0x0000000074300000-0x00000000748AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1088-62-0x000000000047E91E-mapping.dmp
  • memory/1088-64-0x0000000000400000-0x0000000000484000-memory.dmp
    Filesize

    528KB

  • memory/1956-92-0x0000000074290000-0x000000007483B000-memory.dmp
    Filesize

    5.7MB

  • memory/1956-94-0x0000000074290000-0x000000007483B000-memory.dmp
    Filesize

    5.7MB

  • memory/1956-83-0x000000000047E91E-mapping.dmp