Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27-08-2024 23:55

General

  • Target

    c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe

  • Size

    547KB

  • MD5

    c5f616f3c54dfca4225acfc3cc107773

  • SHA1

    6e503972eceea524302648f626384e75205e1511

  • SHA256

    61999ad1811489155367e1223b2ac5d24703a3701e9ceddaf1c6dd8958b282b5

  • SHA512

    d4261bcef895b628cf6b6f1a1b0f41c2ea7429200d4e3da251d691dbb01fe9637a0d15f40afb97b457afbbdf3e968125e975a7402d5576cea753b8eca472c0ff

  • SSDEEP

    12288:DllSxxQjrbsdmeTD7++mTPA2alviql7Y+SzVjlUMGU/KWjNuGFV:DTUN9TPSMXdi4mZlU0KWx

Malware Config

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 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

  • 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 3 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c5f616f3c54dfca4225acfc3cc107773_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2756
      • 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
        • System Location Discovery: System Language Discovery
        PID:816
      • 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⤵
        • System Location Discovery: System Language Discovery
        PID:2536
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 752
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • memory/816-29-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/816-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/816-30-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/816-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2432-17-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-2-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-1-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-3-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-23-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-22-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2432-0-0x0000000074301000-0x0000000074302000-memory.dmp

    Filesize

    4KB

  • memory/2536-46-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2536-38-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2536-36-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2536-39-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2756-19-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-26-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-18-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-14-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-16-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-32-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-31-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-6-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-35-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-9-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2756-12-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-8-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/2756-4-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB