Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/09/2026, 23:24

General

  • Target
    jaffacakes118__2a59e33525d393a3044014f8dac28abb.exe
  • Size 1.3MB
  • Sample260920-3dzzbsvvht
  • SHA256 5d9481413fd0bc0fe9d45936138901ab5d9272afb50886c8d6a37780ab7dbda8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detected Nirsoft tools 14 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

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 12 IoCs
  • 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
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 43 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).

  • Executes a command shell one-liner 1 TTPs 12 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 25 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2a59e33525d393a3044014f8dac28abb.exe
    "C:\Users\Admin\AppData\Local\Temp\jaffacakes118__2a59e33525d393a3044014f8dac28abb.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\1.exe /stext C:\iNST\PWS.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4152
      • C:\iNST\1.exe
        C:\iNST\1.exe /stext C:\iNST\PWS.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\3.exe /stext C:\iNST\PWS3.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1496
      • C:\iNST\3.exe
        C:\iNST\3.exe /stext C:\iNST\PWS3.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\4.exe /stext C:\iNST\PWS4.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5392
      • C:\iNST\4.exe
        C:\iNST\4.exe /stext C:\iNST\PWS4.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\5.exe /stext C:\iNST\PWS5.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5964
      • C:\iNST\5.exe
        C:\iNST\5.exe /stext C:\iNST\PWS5.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4860
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\6.exe /stext C:\iNST\PWS6.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\iNST\6.exe
        C:\iNST\6.exe /stext C:\iNST\PWS6.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5676
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\7.exe /stext C:\iNST\PWS7.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\iNST\7.exe
        C:\iNST\7.exe /stext C:\iNST\PWS7.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\8.exe /stext C:\iNST\PWS8.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\iNST\8.exe
        C:\iNST\8.exe /stext C:\iNST\PWS8.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4400
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\9.exe /stext C:\iNST\PWS9.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3120
      • C:\iNST\9.exe
        C:\iNST\9.exe /stext C:\iNST\PWS9.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\10.exe /stext C:\iNST\PWS10.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5836
      • C:\iNST\10.exe
        C:\iNST\10.exe /stext C:\iNST\PWS10.txt"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:3172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\11.exe /stext C:\iNST\PWS11.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5620
      • C:\iNST\11.exe
        C:\iNST\11.exe /stext C:\iNST\PWS11.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\12.exe /stext C:\iNST\PWS12.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5568
      • C:\iNST\12.exe
        C:\iNST\12.exe /stext C:\iNST\PWS12.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1724
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start C:\iNST\13.exe /stext C:\iNST\PWS13.txt"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\iNST\13.exe
        C:\iNST\13.exe /stext C:\iNST\PWS13.txt"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4688

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        1.exe

        • Path C:\iNST\1.exe
        • Size 314KB
        • SHA256 19b407a14e315608404342c7a663fcd1cfeb789c22001d7f2a37d950bed71c93
        • MD5 SHA1 SHA512 SSDEEP TLSH

        10.exe

        • Path C:\iNST\10.exe
        • Size 51KB
        • SHA256 861c43e6e2a1a82b25d018caa6994d858638006cc60775f09e02092264d7f772
        • MD5 SHA1 SHA512 SSDEEP TLSH

        11.exe

        • Path C:\iNST\11.exe
        • Size 51KB
        • SHA256 64788b6f74875aed53ca80669b06f407e132d7be49586925dbb3dcde56cbca9c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        12.exe

        • Path C:\iNST\12.exe
        • Size 47KB
        • SHA256 346fe9f64265e5a2c413531b7037e5507643241dcb82779cc1ed5384fe1fff48
        • MD5 SHA1 SHA512 SSDEEP TLSH

        13.exe

        • Path C:\iNST\13.exe
        • Size 41KB
        • SHA256 b0bbab534ff881c07b034c71cf7835be6bb94cd5cf25a7cea0b1198d2edd2a75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        3.exe

        • Path C:\iNST\3.exe
        • Size 44KB
        • SHA256 e4f5d1723c5df61d49494538db368d147c19b1aa6994fbc23c6a59672bd6b0a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        4.exe

        • Path C:\iNST\4.exe
        • Size 30KB
        • SHA256 ba5c4766fd2fbf9e0c76444f152b861b9977f1b23c963a9c8b8a6970c43bcde6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        5.exe

        • Path C:\iNST\5.exe
        • Size 32KB
        • SHA256 460fc0ae9b29b61d7a147b599eb02b70ea6a830df0f5cd16a317a95e466513c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        6.exe

        • Path C:\iNST\6.exe
        • Size 61KB
        • SHA256 3d878cb175c3ade6a0229b7bf016da04e798c8165eb3931be6d848314873beb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7.exe

        • Path C:\iNST\7.exe
        • Size 55KB
        • SHA256 f75a34ce31833e85c762c58cf6c3bc6aa61b1e2123615d4dbf19adae654182dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        8.exe

        • Path C:\iNST\8.exe
        • Size 34KB
        • SHA256 efbda9735bc0ea45de494d513224e0d297c1d389628284674ce19fca1f5fb952
        • MD5 SHA1 SHA512 SSDEEP TLSH

        9.exe

        • Path C:\iNST\9.exe
        • Size 65KB
        • SHA256 3f3c8484962b395f304a836ee5e8ee17beaafe982795c9747d8ee98cc6e4ca8f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1068-65-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1068-64-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/1724-72-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/1724-71-0x0000000000400000-0x000000000041D000-memory.dmp

        memory/1956-46-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1956-43-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2256-58-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2256-56-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/3172-68-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3172-67-0x0000000000400000-0x000000000041F000-memory.dmp

        memory/3796-3-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-77-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-87-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-62-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-83-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-82-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-2-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-86-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-84-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-85-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-1-0x0000000000595000-0x0000000000596000-memory.dmp

        memory/3796-0-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-76-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-88-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-78-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-79-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-80-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/3796-81-0x0000000000400000-0x0000000000596000-memory.dmp

        memory/4400-60-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4400-61-0x0000000000400000-0x0000000000415000-memory.dmp

        memory/4688-75-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4688-74-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4860-52-0x0000000000400000-0x0000000000416000-memory.dmp

        memory/4860-51-0x0000000000400000-0x0000000000416000-memory.dmp

        memory/5976-48-0x0000000000400000-0x0000000000415000-memory.dmp