Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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 13 IoCs

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

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 9 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 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:2948
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3036
      • 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:2440
      • 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:2996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/2440-28-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2440-32-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2440-30-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2440-40-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2948-19-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/2948-0-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

      Filesize

      4KB

    • memory/2948-4-0x00000000003E0000-0x00000000003F6000-memory.dmp

      Filesize

      88KB

    • memory/2948-3-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/2948-2-0x00000000042B0000-0x0000000004368000-memory.dmp

      Filesize

      736KB

    • memory/2948-1-0x0000000000AC0000-0x0000000000B8A000-memory.dmp

      Filesize

      808KB

    • memory/2996-48-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2996-37-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2996-35-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2996-33-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3036-21-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/3036-27-0x0000000000770000-0x0000000000778000-memory.dmp

      Filesize

      32KB

    • memory/3036-22-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/3036-6-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-8-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-31-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/3036-7-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3036-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-20-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-14-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-10-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/3036-49-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/3036-50-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB

    • memory/3036-51-0x0000000073D50000-0x000000007443E000-memory.dmp

      Filesize

      6.9MB