Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 15:27

General

  • Target

    2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    2a9f5b79b166343955c18b39cfbe30f1

  • SHA1

    11040908c5770a7f2f554394343f66a1c6f10d53

  • SHA256

    a9bc02e6bd44e459dc818e10551c0948d49989768daa1c33913247f328f47742

  • SHA512

    57b30683234527d4b5c8aae69b3dbe648f18ea9e32520b54a1005b0eaf925d6cc5bab93980332b6a14b8af42f5e460266445616d03e7b8615931238181dfe3c6

  • SSDEEP

    24576:Lu6J33O0c+JY5UZ+XC0kGso6Fak0KuP5/3sj7Ogd+TBR2EjDUOPNWY:lu0c++OCvkGs9FaHDUOgY

Malware Config

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 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2a9f5b79b166343955c18b39cfbe30f1_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2496
      • 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:2392
      • 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:1700

    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/1700-30-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1700-26-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1700-25-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1700-23-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1924-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

      Filesize

      4KB

    • memory/2392-18-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2392-16-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2392-20-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2392-22-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2496-11-0x00000000744A2000-0x00000000744A4000-memory.dmp

      Filesize

      8KB

    • memory/2496-19-0x00000000744A0000-0x0000000074A4B000-memory.dmp

      Filesize

      5.7MB

    • memory/2496-9-0x0000000000090000-0x0000000000118000-memory.dmp

      Filesize

      544KB

    • memory/2496-10-0x0000000000090000-0x0000000000118000-memory.dmp

      Filesize

      544KB

    • memory/2496-3-0x0000000000090000-0x0000000000118000-memory.dmp

      Filesize

      544KB

    • memory/2496-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2496-1-0x0000000000090000-0x0000000000118000-memory.dmp

      Filesize

      544KB

    • memory/2496-32-0x00000000744A2000-0x00000000744A4000-memory.dmp

      Filesize

      8KB

    • memory/2496-33-0x00000000744A0000-0x0000000074A4B000-memory.dmp

      Filesize

      5.7MB