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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20250207-en
  • resource tags

    arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
  • submitted
    20/02/2025, 02:37

General

  • Target

    JaffaCakes118_092362ef67e69075208c724ae99293e7.exe

  • Size

    1.8MB

  • MD5

    092362ef67e69075208c724ae99293e7

  • SHA1

    5461580bd10ff1f995793c66033d12b53bf56f85

  • SHA256

    1076ec5e878c8e71d9430d078799dd0a4d775ad2a23120e38cd8bb93b37e4d70

  • SHA512

    53bd7ade262e421d1726ad79c636919507750ba9b0b7dc34cc7778165cc4fbd474cfb2dd4851f5d5ffc17bb69e53ac0ee557af22818fbb4cf220100974bf38f1

  • SSDEEP

    24576:MMWFK6ZlLOZ2j9cRTPSqANPah6ZFaBLOPZVKTsSxK7:coa9uSqAVa1Cs/K

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

C2

panzaknacka.hopto.org:1337

Mutex

MAC-7UVFFZ6

Attributes
  • InstallPath

    MSDCSC\sysdate.exe

  • gencode

    5KLmF0Xbpz15

  • install

    true

  • offline_keylogger

    true

  • password

    l0rn

  • persistence

    false

  • reg_key

    sysdate.exe

rc4.plain

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • ISR Stealer

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

  • ISR Stealer payload 4 IoCs
  • Isrstealer family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Detected Nirsoft tools 8 IoCs

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

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • UPX packed file 20 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 behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_092362ef67e69075208c724ae99293e7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_092362ef67e69075208c724ae99293e7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      2⤵
        PID:2856
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        2⤵
        • Modifies WinLogon for persistence
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\MSDCSC\sysdate.exe
          "C:\Windows\system32\MSDCSC\sysdate.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2644
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        2⤵
          PID:1856
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2900
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2940
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2552
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2072
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
              4⤵
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:3032

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\MSDCSC\sysdate.exe

        Filesize

        1.1MB

        MD5

        34aa912defa18c2c129f1e09d75c1d7e

        SHA1

        9c3046324657505a30ecd9b1fdb46c05bde7d470

        SHA256

        6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

        SHA512

        d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

      • memory/2072-77-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2072-66-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2072-67-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2072-62-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2072-65-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2072-68-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/2552-60-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/2552-87-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/2552-57-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/2552-61-0x0000000000400000-0x0000000000454000-memory.dmp

        Filesize

        336KB

      • memory/2780-25-0x00000000740C0000-0x000000007466B000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-2-0x00000000740C0000-0x000000007466B000-memory.dmp

        Filesize

        5.7MB

      • memory/2780-0-0x00000000740C1000-0x00000000740C2000-memory.dmp

        Filesize

        4KB

      • memory/2780-1-0x00000000740C0000-0x000000007466B000-memory.dmp

        Filesize

        5.7MB

      • memory/2828-11-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-24-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-27-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-29-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-28-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-26-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-7-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-82-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-12-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2828-10-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-6-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2828-3-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2900-17-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2900-13-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2900-15-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2900-84-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2900-21-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2900-23-0x0000000000400000-0x0000000000470000-memory.dmp

        Filesize

        448KB

      • memory/2940-42-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-79-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-44-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-40-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-73-0x0000000000460000-0x00000000004C7000-memory.dmp

        Filesize

        412KB

      • memory/2940-55-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-52-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-50-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-48-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-47-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2940-56-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/3032-74-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/3032-75-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/3032-78-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/3032-69-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB

      • memory/3032-90-0x0000000000400000-0x000000000041F000-memory.dmp

        Filesize

        124KB