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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2025, 15:17

General

  • Target

    JaffaCakes118_0639b299da5714182eaedac2777ce747.exe

  • Size

    754KB

  • MD5

    0639b299da5714182eaedac2777ce747

  • SHA1

    de1cfaddd2249b4bacdf923436a6bb215daacb5a

  • SHA256

    84109b60260a022874eb5ae6b9c2fb0d5a91e03d43d0c0d3264a948fa4ff5328

  • SHA512

    3e3b3b647d54bb39fad63c8453dfd7a4f2bc1a0f1fd417fde340cb86cb8fd2dcf8a3b7873c7d4f661d60ebfbef9d46bd5e7cd8451210a6691e0b42fc1353aab2

  • SSDEEP

    12288:2fufAbgEdQI8cot7GKLv7vUpUe093Rdk+BTEySTlA/7E6o3xHlv727baTsBnQxfo:2f2X//AU/O0EDIGnkr

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 7 IoCs

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • 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
  • Suspicious use of SetThreadContext 4 IoCs
  • UPX packed file 5 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3012
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2964
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
          4⤵
            PID:2428
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0639b299da5714182eaedac2777ce747.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
            4⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:1644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1644-58-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1644-50-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1644-53-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1644-54-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1644-46-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1644-55-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1732-1-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1732-2-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1732-3-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1732-15-0x00000000741A0000-0x000000007474B000-memory.dmp

      Filesize

      5.7MB

    • memory/1732-0-0x00000000741A1000-0x00000000741A2000-memory.dmp

      Filesize

      4KB

    • memory/2720-4-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2720-59-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2720-6-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2720-8-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2720-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2720-12-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2720-14-0x0000000000400000-0x0000000000470000-memory.dmp

      Filesize

      448KB

    • memory/2964-43-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2964-41-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2964-45-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2964-57-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2964-37-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/3012-22-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-24-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-26-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-28-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-51-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-36-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-35-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-20-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-18-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-34-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-44-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/3012-30-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB