Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14/08/2024, 13:14

General

  • Target

    963dc8315211daf1f382daacba1ceca3_JaffaCakes118.exe

  • Size

    41KB

  • MD5

    963dc8315211daf1f382daacba1ceca3

  • SHA1

    58e8e8f762059c953f6955583136263fcf240dfe

  • SHA256

    63d31bd766528766f5aa2184fafeb6c2471a5d6ded50263f8e4688539bd6dec4

  • SHA512

    f40774408b5f5ec02059e951057ca4bc8eeb2bd89cbed0c9a9a053acde5e643327181d034d6497581966053b582b8aa28456a9da430b93a5f92bfbe1f2f20361

  • SSDEEP

    768:crRdRkb7H7l1Yfli85RmHFjfKxSeWdNmFwszbIi25AX8:aRdw7QffXmHx6W/gNze

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 2 IoCs
  • Drops file in Drivers directory 64 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 7 IoCs

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

  • Modifies WinLogon 2 TTPs 8 IoCs
  • Drops file in System32 directory 7 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\963dc8315211daf1f382daacba1ceca3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\963dc8315211daf1f382daacba1ceca3_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe sbfxi.dll,sbfxi C:\Users\Admin\AppData\Local\Temp\963dc8315211daf1f382daacba1ceca3_JaffaCakes118.exe
      2⤵
      • Modifies firewall policy service
      • Drops file in Drivers directory
      • Deletes itself
      • Impair Defenses: Safe Mode Boot
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: LoadsDriver
      • Suspicious use of SetWindowsHookEx
      PID:1136

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\drivers\adp94xx.sys

          Filesize

          8KB

          MD5

          d3fc181630ad425cd7680464f7dbc16a

          SHA1

          7b9ebd6e415586495f4bb9a0b9b5fac93a40f0da

          SHA256

          1a374b5cbdd91bd355645431d52f8b32556360f9f7de9e498ddaf6cb47b9b1c9

          SHA512

          0f9d8e63d5a883cf3710b2165a5fd260eabbdefd3b81f52267ac4a40eda0375083826516aa0f62c6be0e9426129fea1a1ba22ef0ed0f419e0bfba36b27e23f3d

        • \Windows\SysWOW64\sbfxi.dll

          Filesize

          23KB

          MD5

          2c54eec77b79845463813db2b3755bc1

          SHA1

          382adec59348e317d2b3344067d9b54557d914c1

          SHA256

          051c6215d2ac977ac9c8708d5ce356879580f268646576eb56b1d94d68b89427

          SHA512

          f7e0e346259907471fe7777e1faa71214d2b88e6dcfe312fe4cd29d53a878bfe809ef7c10e41bf68e55b4a9402c2ef010e97cc3f54bb3ee4b9c698d7eda57dd8

        • memory/1136-14-0x0000000010000000-0x0000000010041000-memory.dmp

          Filesize

          260KB

        • memory/1136-225-0x0000000010000000-0x0000000010041000-memory.dmp

          Filesize

          260KB

        • memory/2996-0-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2996-8-0x0000000010000000-0x0000000010041000-memory.dmp

          Filesize

          260KB

        • memory/2996-15-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2996-16-0x0000000010000000-0x0000000010041000-memory.dmp

          Filesize

          260KB