Analysis

  • max time kernel
    148s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 15:18

General

  • Target

    JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080.exe

  • Size

    540KB

  • MD5

    7a66563172ad5bc98de4a9d9a8d80080

  • SHA1

    0574d74511f4bca882d93c27d80f1e9a1f4f0f4b

  • SHA256

    3f782deb0bb75af920032b4af83463ccba0e7b45e45895873a0b9b4398df67ee

  • SHA512

    6de416d142c5368a4bfdcc02d78188f44840681ced8ea29a2c868b3bf8ca24a6eedbc91efce03548a68c6bcc6f09246b8030300fb20bd120c0bf24cfcf7e51e1

  • SSDEEP

    12288:Ghxc3TIlqGJs1jpqttRiOsopj8X8TsWELBpGkjrkgbPp2UJSVEtoPC:ucoCyb6aIMTsWAfGONUkgEWP

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 4 IoCs
  • Isrstealer family
  • Detected Nirsoft tools 3 IoCs

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a66563172ad5bc98de4a9d9a8d80080.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2496
      • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
        "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2736
        • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
          "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2596
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Gathers network information
            PID:2004
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\TNGMT.bat" "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1480
              • C:\Windows\SysWOW64\reg.exe
                REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "nvidia" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe" /f
                7⤵
                • Adds Run key to start application
                • System Location Discovery: System Language Discovery
                PID:320
        • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
          "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2336
          • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
            "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2452
            • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
              "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2588
            • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
              "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2988
            • C:\Users\Admin\AppData\Roaming\invidia\invidia.exe
              "C:\Users\Admin\AppData\Roaming\invidia\invidia.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
              6⤵
              • Executes dropped EXE
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\TNGMT.bat

    Filesize

    143B

    MD5

    51308cba7cf80ad730df3b2958c300ca

    SHA1

    0450e6d4a0810d0bd35a52ad39607732e428c71f

    SHA256

    bfa3c7a13642621615c90ffb60e173aaf0b64666e7030115646059fc03d5bbbd

    SHA512

    5c9fb61979df5db1797767e6d1a1b7ff3c06a94a14b43e4131b4260fed436c942e99b5fda321690d783760a4c382ae1a3de8ceef323af37acb5e6ffc9fb3d616

  • \Users\Admin\AppData\Roaming\invidia\invidia.exe

    Filesize

    540KB

    MD5

    2eff3fee49f7455384f61ecbb427fd7b

    SHA1

    d661e9306c5a9e6a65e4a8a77ec8baf8331f356c

    SHA256

    4fff2e66241bbafb86de067cb1c1303a00889caa230d4a7e4a733bbcd53030d5

    SHA512

    bf6606f4bea422280b21629158aefc2266ea096c08e573584e6f8baa3940624b3caa72bbc4f847e310fcda236798f844f63553be62a0f7115128b9b87f824ac6

  • memory/2336-140-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2336-57-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2336-62-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2336-67-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2336-60-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2336-75-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2452-86-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-84-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-98-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-88-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-80-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-90-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-94-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-82-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-97-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-96-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-78-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2452-122-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2496-7-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2496-19-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-17-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-15-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-42-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-5-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-13-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2496-9-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2588-100-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/2596-141-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2736-99-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2736-45-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2932-16-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2932-2-0x000000000047D000-0x000000000047E000-memory.dmp

    Filesize

    4KB

  • memory/2932-4-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2932-3-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2952-121-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2952-147-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2988-112-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-127-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-105-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-108-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB