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Analysis

  • max time kernel
    139s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 01:23

General

  • Target

    88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe

  • Size

    30KB

  • MD5

    88717db803bbd281ef85add676ae4fa3

  • SHA1

    55e1102e17cfbc05ea15111ab59a1a7674e1d110

  • SHA256

    2cee0c529de216937ee9c1533024d09a86871e6d9b2bccf57b0cee0409ca0257

  • SHA512

    c90d03f21d5de0167b4e35dfb3d74db32d15153d6921aa224fa6aa1157cf9f926cf866765691b35eb796164a07968720db98e5a949654f8cb0e32c515087aff0

  • SSDEEP

    768:Q4BRQpmyPUalY4hZvrQHiv60uwdkrwWPmv:pRl4hZv4iv69wZW6

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 6 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe ,Activate
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3224
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\88717db803bbd281ef85add676ae4fa3_JaffaCakes118.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:1692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\removalfile.bat

      Filesize

      43B

      MD5

      9a7ef09167a6f4433681b94351509043

      SHA1

      259b1375ed8e84943ca1d42646bb416325c89e12

      SHA256

      d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

      SHA512

      96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

    • C:\Windows\SysWOW64\nnnmjhi.dll

      Filesize

      26KB

      MD5

      3fb9c472ff08eb22bae1b0a8f913d6d5

      SHA1

      1186f3b30f57883ffec0e2bb764763ac25dbe21a

      SHA256

      af7aee7a7d6a5e27d9d0ff7f61274dda54f38ce8733dce4aef63d9480662be8f

      SHA512

      a6a8adec15b707b9de28f0ff2070f81c4acd02ec31a6677a385696991ea83ca6524c352b58e8643884574fddf2bfdaed1fcfa776b7a4e6a9c2792e3ec6bb3c07

    • memory/1240-0-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/1240-4-0x0000000010000000-0x0000000010015000-memory.dmp

      Filesize

      84KB

    • memory/1240-7-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB

    • memory/1240-8-0x0000000010000000-0x0000000010015000-memory.dmp

      Filesize

      84KB

    • memory/1240-14-0x0000000000400000-0x0000000000411000-memory.dmp

      Filesize

      68KB