Analysis

  • max time kernel
    129s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-09-2024 19:24

General

  • Target

    ff36ed82db4fa8dad1e6a436b119761a_JaffaCakes118.exe

  • Size

    669KB

  • MD5

    ff36ed82db4fa8dad1e6a436b119761a

  • SHA1

    e1b241721d7f795d0523aab01a49bba0afc7fd18

  • SHA256

    cfdc1975246238cb2a1fa83d4e6e8ee4383d53fa8b4ed816f7efd2302cba8e26

  • SHA512

    49eb187d3a07fcb38ab77d6105fade7fc6a37888fe9b96a930212da269aa82c61d6e32e08de69b51ef8fe580e11156f55c9909bee6db6824cbd4e379f5710cd6

  • SSDEEP

    12288:KT3OX1MJk11fWa/rx9eK26gt5BK9VrOnTVvwaoL/Qf2x:KjOCkScx96ZfK9VSnTVo/82

Malware Config

Signatures

  • HawkEye

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

  • Detected Nirsoft tools 14 IoCs

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

  • NirSoft MailPassView 10 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 10 IoCs

    Password recovery tool for various web browsers

  • Reads user/profile data of web browsers 3 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_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:2640
    • C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_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:2632
      • 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:1664
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2904

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/1664-32-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1664-53-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1664-35-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1664-33-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2632-24-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2632-30-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2632-14-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-13-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-9-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-8-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-4-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-22-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2632-23-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2632-37-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2632-6-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-18-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-21-0x0000000000220000-0x00000000002A4000-memory.dmp

    Filesize

    528KB

  • memory/2632-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-34-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-29-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-36-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-0-0x0000000074951000-0x0000000074952000-memory.dmp

    Filesize

    4KB

  • memory/2640-2-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-1-0x0000000074950000-0x0000000074EFB000-memory.dmp

    Filesize

    5.7MB

  • memory/2904-38-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2904-42-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2904-40-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2904-50-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB