Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 01:46

General

  • Target

    2016pdf.exe

  • Size

    965KB

  • MD5

    e289bcf6d77230d7fdb4d8a0bf126723

  • SHA1

    70880bcc5a8ac31df2dc6aa2e03f8f73965f7812

  • SHA256

    98c08e97f88fd09e81a8dc3e3234f89ceed282048a4275c7a2f1b9bc116db41f

  • SHA512

    a7883c1644d143c4d8a6384e7b9d0eeaf9e8ce51c76b3c35f2daf89c04944d77be99af095b31f5a1ba46c8bd271f89aa20d963d4d6a61176cb040e01288395eb

  • SSDEEP

    24576:pQu+IperrOUj6k7ZqC30kKoreoQSQS4kHHDJ1VnmjSd/EG:pQyk7ZxlK5oAkDJ1ZYSds

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.it
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Wako2j22#

Signatures

  • HawkEye

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 8 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Drops startup file 1 IoCs
  • Executes dropped EXE 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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2016pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\2016pdf.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe gYdCdIeaUTRhGRagFgD
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        - vbc
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2804
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:3332
        • 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"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CKMdCEEIZAPIeXJUdWYAR.exe

    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\IPNhDLAeKSic

    Filesize

    506KB

    MD5

    9d7857570d5fdf92e853c4c6cd65a81b

    SHA1

    472a8f79c31ea75738b2a07ada2fe10c4807ee93

    SHA256

    6134cd30e6e0d05553e771e263e8e7b24d71f086d87aa5a2f355e38101314536

    SHA512

    92918612b908fc6cf66070d9613f67d5fe8e56027bdc65ff1c491dbcccc445df98740c10ce9d2de4fa9234acdde86c3115f2aa7a8193273aa116f4104158c043

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\gYdCdIeaUTRhGRagFgD

    Filesize

    38KB

    MD5

    a39dcb345904dddc0c776139b729a243

    SHA1

    db77b63486f0f05c6e14f746bfca7d93b93b0a2a

    SHA256

    c2a31f858f17c64b7a5bd5fe22943733a26d70a89b065aa5b894574eee3ec6b4

    SHA512

    a4d0869d0f90941022e88cd0a71be1b59a467865d437c8253eedbee73becbce56ddda1fd907a88187edad16f3137bf65e8440a02a5123b6d12f89c2ef81696b4

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/740-49-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/740-48-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/740-42-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/740-41-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2804-40-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-39-0x0000000073812000-0x0000000073813000-memory.dmp

    Filesize

    4KB

  • memory/2804-31-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-28-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-27-0x0000000073810000-0x0000000073DC1000-memory.dmp

    Filesize

    5.7MB

  • memory/2804-25-0x0000000073812000-0x0000000073813000-memory.dmp

    Filesize

    4KB

  • memory/2804-18-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/2884-38-0x0000000002370000-0x0000000002371000-memory.dmp

    Filesize

    4KB

  • memory/2884-17-0x0000000002370000-0x0000000002371000-memory.dmp

    Filesize

    4KB

  • memory/3332-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3332-35-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3332-32-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3332-37-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB