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Analysis

  • max time kernel
    122s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 8 IoCs

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 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
  • Drops desktop.ini file(s) 2 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
  • Drops file in Windows directory 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff36ed82db4fa8dad1e6a436b119761a_JaffaCakes118.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3960
    • 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:2712
      • 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:2604
      • 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:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/2236-38-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2236-30-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2236-29-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2236-27-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2604-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2604-18-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/2604-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2604-16-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2604-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2712-8-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-9-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-23-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-26-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-7-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-6-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3960-21-0x0000000075562000-0x0000000075563000-memory.dmp

    Filesize

    4KB

  • memory/3960-22-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3960-25-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3960-0-0x0000000075562000-0x0000000075563000-memory.dmp

    Filesize

    4KB

  • memory/3960-2-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB

  • memory/3960-1-0x0000000075560000-0x0000000075B11000-memory.dmp

    Filesize

    5.7MB