Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2022 02:06

General

  • Target

    4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3.exe

  • Size

    958KB

  • MD5

    ad5dc6ea0f64a5a16fe225a011c2a023

  • SHA1

    ccaa2ede5a16f03cf7982250d934c521c08042c4

  • SHA256

    4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3

  • SHA512

    b2c35f8e6b05bc2636136a045d75aebbc1fe3940caec3c73f4c06e6db9a6e3d099943d95edf7223e1045b8a990cff7499200241157f192d0cd1d7a98dcb22109

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3.exe
    "C:\Users\Admin\AppData\Local\Temp\4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3.exe
      C:\Users\Admin\AppData\Local\Temp\4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:376
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2908
          • 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:3660

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    102B

    MD5

    ab77ce8f3f627cc26d8d39590db498ea

    SHA1

    0e4f5991102ad8e45513fac5ab8099664ec913ed

    SHA256

    675468643dceea5dc5d5f9b927fd7f97442d591ad1723f8d3865cd69bee6cd7a

    SHA512

    1487ca588e8bc990f1c53d9241071aa3998f78158765297782f0c47d104526eab00ccb7b64e305cb22744651476308d9f4bd5ac8ec0f025b297038d3b54a16bc

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

    Filesize

    958KB

    MD5

    ad5dc6ea0f64a5a16fe225a011c2a023

    SHA1

    ccaa2ede5a16f03cf7982250d934c521c08042c4

    SHA256

    4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3

    SHA512

    b2c35f8e6b05bc2636136a045d75aebbc1fe3940caec3c73f4c06e6db9a6e3d099943d95edf7223e1045b8a990cff7499200241157f192d0cd1d7a98dcb22109

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

    Filesize

    958KB

    MD5

    ad5dc6ea0f64a5a16fe225a011c2a023

    SHA1

    ccaa2ede5a16f03cf7982250d934c521c08042c4

    SHA256

    4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3

    SHA512

    b2c35f8e6b05bc2636136a045d75aebbc1fe3940caec3c73f4c06e6db9a6e3d099943d95edf7223e1045b8a990cff7499200241157f192d0cd1d7a98dcb22109

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

    Filesize

    958KB

    MD5

    ad5dc6ea0f64a5a16fe225a011c2a023

    SHA1

    ccaa2ede5a16f03cf7982250d934c521c08042c4

    SHA256

    4f6c7376d1d8f4a053cd1012979a89234754a83176949bea931ca5772ff720c3

    SHA512

    b2c35f8e6b05bc2636136a045d75aebbc1fe3940caec3c73f4c06e6db9a6e3d099943d95edf7223e1045b8a990cff7499200241157f192d0cd1d7a98dcb22109

  • memory/376-155-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2864-152-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/2864-135-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2864-144-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2864-141-0x0000000002140000-0x00000000021D0000-memory.dmp

    Filesize

    576KB

  • memory/2864-138-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/2864-151-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2864-145-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/2908-169-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/2908-161-0x0000000006AE0000-0x0000000006B70000-memory.dmp

    Filesize

    576KB

  • memory/2908-164-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2908-165-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2908-166-0x0000000074FA0000-0x0000000075551000-memory.dmp

    Filesize

    5.7MB

  • memory/2908-168-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2988-134-0x0000000077930000-0x0000000077AD3000-memory.dmp

    Filesize

    1.6MB

  • memory/2988-132-0x0000000000820000-0x0000000000827000-memory.dmp

    Filesize

    28KB

  • memory/3660-171-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3660-173-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3660-174-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB