Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 19:43

General

  • Target

    43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe

  • Size

    780KB

  • MD5

    43153f4f79278075981dbb98b580d74f

  • SHA1

    2455e4217cb8fbd4ebfaa16330558dc128adda1e

  • SHA256

    fc87f79da45a9ffcf0a3284798c6d491d009372d5b3782dbdd6fd7f8be01a327

  • SHA512

    be2018eaf2a61211d85734faf0927f39486965d4cdce24e72ad81f2d0a9c82ea04c7753d16bd92b65a5ea92b4f0b54f43ab18e24f8c55b8a269d582c025af123

  • SSDEEP

    24576:wR/SQVi7i3JFLMEhQQDhoDl4uInnotriI:ci7qLjGmoDlV2g+I

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    25194e1936feD$

Signatures

  • HawkEye

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

  • Beds Protector Packer 1 IoCs

    Detects Beds Protector packer used to load .NET malware.

  • Detected Nirsoft tools 8 IoCs

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Users\Admin\AppData\Local\Temp\43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1532
      • 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:2328
      • 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⤵
          PID:4100

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\43153f4f79278075981dbb98b580d74f_JaffaCakes118.exe.log

      Filesize

      706B

      MD5

      2ef5ef69dadb8865b3d5b58c956077b8

      SHA1

      af2d869bac00685c745652bbd8b3fe82829a8998

      SHA256

      363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

      SHA512

      66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/832-0-0x000000007485E000-0x000000007485F000-memory.dmp

      Filesize

      4KB

    • memory/832-1-0x0000000000BA0000-0x0000000000C6A000-memory.dmp

      Filesize

      808KB

    • memory/832-2-0x0000000005C90000-0x0000000006234000-memory.dmp

      Filesize

      5.6MB

    • memory/832-3-0x0000000005630000-0x00000000056C2000-memory.dmp

      Filesize

      584KB

    • memory/832-5-0x0000000005840000-0x00000000058DC000-memory.dmp

      Filesize

      624KB

    • memory/832-4-0x00000000056E0000-0x0000000005798000-memory.dmp

      Filesize

      736KB

    • memory/832-6-0x0000000005620000-0x0000000005636000-memory.dmp

      Filesize

      88KB

    • memory/832-7-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/832-30-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-17-0x00000000070D0000-0x0000000007136000-memory.dmp

      Filesize

      408KB

    • memory/1532-8-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/1532-14-0x00000000050D0000-0x0000000005126000-memory.dmp

      Filesize

      344KB

    • memory/1532-12-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-20-0x0000000007770000-0x0000000007778000-memory.dmp

      Filesize

      32KB

    • memory/1532-40-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-13-0x0000000005060000-0x000000000506A000-memory.dmp

      Filesize

      40KB

    • memory/1532-39-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1532-11-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/2328-21-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2328-23-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2328-24-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4100-27-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4100-37-0x0000000000460000-0x0000000000529000-memory.dmp

      Filesize

      804KB

    • memory/4100-38-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4100-31-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4100-29-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB