Analysis

  • max time kernel
    141s
  • max time network
    81s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 11:24

General

  • Target

    38ea5ac4d7bf5b538c9adfb4d440d80c_JaffaCakes118.exe

  • Size

    194KB

  • MD5

    38ea5ac4d7bf5b538c9adfb4d440d80c

  • SHA1

    0119c634455b42a6cef843ec92ca9f83ca099177

  • SHA256

    574ee54d313b22dd0a96997415cc7d7c68050c7adf8f25ddb292b02437fe74a9

  • SHA512

    614a90866944ba06b444ba6a84be4ec8047065a16f1883120ebc73d2610628b9d64d9bb761ff41ac3856291d963388311ff2a3da9ade6a95ad9976d04fde82c0

  • SSDEEP

    3072:aeDPxjFjuGTlscyR07UVtIdcCFiRZst0EuH8kvs0RRUXjk+G:akPpV3TlLWtI1iIt0Euc50RaXQ

Score
7/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 6 IoCs

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

  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38ea5ac4d7bf5b538c9adfb4d440d80c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38ea5ac4d7bf5b538c9adfb4d440d80c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\net.exe
      net stop SharedAccess
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop SharedAccess
        3⤵
          PID:1716
      • C:\Arquivos de programas\WindowsUpdate\Update.exe
        "C:\Arquivos de programas\WindowsUpdate\Update.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Windows\SysWOW64\net.exe
          net stop SharedAccess
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SharedAccess
            4⤵
              PID:1196
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 560
            3⤵
            • Loads dropped DLL
            • Program crash
            PID:2756

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • \Arquivos de Programas\WindowsUpdate\Update.exe

        Filesize

        194KB

        MD5

        38ea5ac4d7bf5b538c9adfb4d440d80c

        SHA1

        0119c634455b42a6cef843ec92ca9f83ca099177

        SHA256

        574ee54d313b22dd0a96997415cc7d7c68050c7adf8f25ddb292b02437fe74a9

        SHA512

        614a90866944ba06b444ba6a84be4ec8047065a16f1883120ebc73d2610628b9d64d9bb761ff41ac3856291d963388311ff2a3da9ade6a95ad9976d04fde82c0

      • memory/2064-0-0x0000000000400000-0x0000000000487000-memory.dmp

        Filesize

        540KB

      • memory/2064-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/2064-5-0x0000000001E70000-0x0000000001EF7000-memory.dmp

        Filesize

        540KB

      • memory/2064-8-0x0000000000400000-0x0000000000487000-memory.dmp

        Filesize

        540KB

      • memory/2104-11-0x0000000000400000-0x0000000000487000-memory.dmp

        Filesize

        540KB

      • memory/2104-15-0x0000000000300000-0x0000000000387000-memory.dmp

        Filesize

        540KB

      • memory/2104-16-0x0000000000300000-0x0000000000387000-memory.dmp

        Filesize

        540KB

      • memory/2104-21-0x0000000000400000-0x0000000000487000-memory.dmp

        Filesize

        540KB

      • memory/2104-23-0x0000000000300000-0x0000000000387000-memory.dmp

        Filesize

        540KB

      • memory/2104-24-0x0000000000300000-0x0000000000387000-memory.dmp

        Filesize

        540KB