Analysis

  • max time kernel
    121s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2024 08:35

General

  • Target

    97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    97a3d8e5095f6a3498a52acd81e3d97c

  • SHA1

    71b3a0453e43eda875d0b1d82ad70657d6e98a47

  • SHA256

    7ef3e8ca1abdcae5850f5b4e821a677ff9f49fcc2719745dc16ed26454442870

  • SHA512

    980fcbf80ad28cbc179cb754dff9e3e3884a7e3b0846471b91f1beebea8c3db7d5ae51c27ad2c00cc3a8f8eeb790342e12efdee6a1c91b13faea1d23bb88dcda

  • SSDEEP

    12288:eKbl0PnKARVcLuENhwh1QsAjy11WZUfy07rTpGRO2uUWMky:eCUNcSEohusoyWZUz7rTpcO2z

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    myrecords1248

Signatures

  • HawkEye

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\97a3d8e5095f6a3498a52acd81e3d97c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2652
      • 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:2768
      • 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:1644

    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/620-6-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/620-2-0x00000000002F0000-0x000000000030A000-memory.dmp

      Filesize

      104KB

    • memory/620-3-0x0000000000320000-0x0000000000326000-memory.dmp

      Filesize

      24KB

    • memory/620-4-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/620-5-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/620-7-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/620-0-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/620-13-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/620-1-0x00000000012E0000-0x0000000001458000-memory.dmp

      Filesize

      1.5MB

    • memory/1644-30-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1644-25-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1644-26-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2652-10-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/2652-18-0x0000000000770000-0x0000000000778000-memory.dmp

      Filesize

      32KB

    • memory/2652-12-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/2652-8-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/2768-19-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2768-24-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2768-21-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2768-22-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB