Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2024, 22:53

General

  • Target
    5f14fc79c9bce3df9e91f7fa1ebe55ff_JaffaCakes118.exe
  • Size 563KB
  • Sample241019-2vb36atfra
  • SHA256 cdd9667696f58e9b9d37f385f41fe88b0fbd84ec26c32ce4df3e3b74d19947d6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.gmail.com

  • Port

    587

  • Password

    beata1950

Signatures

  • Detected Nirsoft tools 11 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 8 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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • UPX packed file 24 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f14fc79c9bce3df9e91f7fa1ebe55ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5f14fc79c9bce3df9e91f7fa1ebe55ff_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\dialup.exe
      C:\Users\Admin\AppData\Local\Temp\dialup.exe /stext C:\Users\Admin\AppData\Local\Temp\data.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3012
    • C:\Users\Admin\AppData\Local\Temp\passwordfox.exe
      C:\Users\Admin\AppData\Local\Temp\passwordfox.exe /stext C:\Users\Admin\AppData\Local\Temp\firefox.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\mspass.exe
      C:\Users\Admin\AppData\Local\Temp\mspass.exe /stext C:\Users\Admin\AppData\Local\Temp\mess.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2604
    • C:\Users\Admin\AppData\Local\Temp\iepv.exe
      C:\Users\Admin\AppData\Local\Temp\iepv.exe /stext C:\Users\Admin\AppData\Local\Temp\iepv.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1980
    • C:\Users\Admin\AppData\Local\Temp\ChromePass.exe
      C:\Users\Admin\AppData\Local\Temp\ChromePass.exe /stext C:\Users\Admin\AppData\Local\Temp\ChromePass.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:692
    • C:\Users\Admin\AppData\Local\Temp\mailpv.exe
      C:\Users\Admin\AppData\Local\Temp\mailpv.exe /stext C:\Users\Admin\AppData\Local\Temp\mailpv.txt
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook accounts
      • System Location Discovery: System Language Discovery
      PID:1524
    • C:\Users\Admin\AppData\Local\Temp\produkey.exe
      C:\Users\Admin\AppData\Local\Temp\produkey.exe /stext C:\Users\Admin\AppData\Local\Temp\produkey.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1472
    • C:\Users\Admin\AppData\Local\Temp\OperaPassView.exe
      C:\Users\Admin\AppData\Local\Temp\OperaPassView.exe /stext C:\Users\Admin\AppData\Local\Temp\OperaPassView.txt
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2380

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ChromePass.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ChromePass.exe
        • Size 125KB
        • SHA256 dbfa10a7deeb6d1ac8fd95ffeb23b87adc58e6388e522812fabe7f710e3cdd89
        • MD5 SHA1 SHA512 SSDEEP

        OperaPassView.exe

        • Path C:\Users\Admin\AppData\Local\Temp\OperaPassView.exe
        • Size 38KB
        • SHA256 2cb9a3d9587f79a6b1cfa95020b81d7d0d3cf9aa6ebf992f3b5e4ecf19bca8a8
        • MD5 SHA1 SHA512 SSDEEP

        data.txt

        • Path C:\Users\Admin\AppData\Local\Temp\data.txt
        • Size 2B
        • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
        • MD5 SHA1 SHA512

        dialup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\dialup.exe
        • Size 37KB
        • SHA256 8f576d5191721f8fdb47bb22950f43fc8f2c9cc880fe067090ed96e6fcb07a97
        • MD5 SHA1 SHA512 SSDEEP

        iepv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\iepv.exe
        • Size 42KB
        • SHA256 dbc2216d5f31f5218e940e3d802998dee90eeb69af69cbeb063c69c6a5a3f1e1
        • MD5 SHA1 SHA512 SSDEEP

        mailpv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\mailpv.exe
        • Size 49KB
        • SHA256 dc64825cf0d635320d4f72e70695084faf548ded12e5daf7ebc335cad64bc1fd
        • MD5 SHA1 SHA512 SSDEEP

        mspass.exe

        • Path C:\Users\Admin\AppData\Local\Temp\mspass.exe
        • Size 63KB
        • SHA256 8898b138a3f238fa985992a9d0e48f6b5865dd2cc35e08b83fa326260c510ffe
        • MD5 SHA1 SHA512 SSDEEP

        passwordfox.exe

        • Path C:\Users\Admin\AppData\Local\Temp\passwordfox.exe
        • Size 37KB
        • SHA256 8a06acd1158060a54d67098f07c1ff7895f799bc5834179b8aae04d28fb60e17
        • MD5 SHA1 SHA512 SSDEEP

        produkey.exe

        • Path C:\Users\Admin\AppData\Local\Temp\produkey.exe
        • Size 35KB
        • SHA256 8e2373e94bff10ecb08e9e0cdeaa65ed57aec89f99312d3bbd90ab72de4f98f3
        • MD5 SHA1 SHA512 SSDEEP

        produkey.txt

        • Path C:\Users\Admin\AppData\Local\Temp\produkey.txt
        • Size 1KB
        • SHA256 1a44df299137ddb18020654c49b736ecafc5bced42559f4580e3d9e100cc00b9
        • MD5 SHA1 SHA512

        memory/692-51-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/692-47-0x0000000000400000-0x000000000043D000-memory.dmp

        memory/1472-67-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/1472-72-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/1524-60-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1524-58-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1980-37-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1980-40-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2380-78-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/2380-82-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/2576-87-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/2576-27-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/2604-28-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/2604-30-0x0000000000400000-0x0000000000425000-memory.dmp

        memory/2924-1-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-3-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-2-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-0-0x000007FEF646E000-0x000007FEF646F000-memory.dmp

        memory/2924-19-0x000007FEF646E000-0x000007FEF646F000-memory.dmp

        memory/2924-26-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-83-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-85-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/2924-38-0x000007FEF61B0000-0x000007FEF6B4D000-memory.dmp

        memory/3012-12-0x0000000000400000-0x0000000000418000-memory.dmp

        memory/3012-8-0x0000000000400000-0x0000000000418000-memory.dmp