Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/05/2024, 01:37

General

  • Target
    1a284e601d4b39b13a2c1ea67fe0433b_JaffaCakes118.dll
  • Size 986KB
  • Sample240506-b2cedsfh27
  • SHA256 3b7790a2520c63e35ddae8ac5a3aed6c09b16a1a3506d414c6aedfc65cba9b34
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a284e601d4b39b13a2c1ea67fe0433b_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4616
  • C:\Windows\system32\SystemSettingsAdminFlows.exe
    C:\Windows\system32\SystemSettingsAdminFlows.exe
    1⤵
      PID:2104
    • C:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exe
      C:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:5768
    • C:\Windows\system32\rdpshell.exe
      C:\Windows\system32\rdpshell.exe
      1⤵
        PID:3736
      • C:\Users\Admin\AppData\Local\GmB\rdpshell.exe
        C:\Users\Admin\AppData\Local\GmB\rdpshell.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:5724
      • C:\Windows\system32\SppExtComObj.Exe
        C:\Windows\system32\SppExtComObj.Exe
        1⤵
          PID:1636
        • C:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.Exe
          C:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.Exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4524

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              ACTIVEDS.dll

              • Path C:\Users\Admin\AppData\Local\C2Yex\ACTIVEDS.dll
              • Size 987KB
              • SHA256 e530ac70cbc608133caabfd769b324da2a2fc7d8ebcd45635086ad7371be6222
              • MD5 SHA1 SHA512 SSDEEP

              SppExtComObj.Exe

              • Path C:\Users\Admin\AppData\Local\C2Yex\SppExtComObj.Exe
              • Size 559KB
              • SHA256 2a6581576305771044f07ea0fef27f77859996dbf66c2017e938f90bfc1e010c
              • MD5 SHA1 SHA512 SSDEEP

              dwmapi.dll

              • Path C:\Users\Admin\AppData\Local\GmB\dwmapi.dll
              • Size 988KB
              • SHA256 244ded450ab1cf7fcb3342cef2d2a73b6266f4feb2ea580de7ad11bfbb618fc9
              • MD5 SHA1 SHA512 SSDEEP

              rdpshell.exe

              • Path C:\Users\Admin\AppData\Local\GmB\rdpshell.exe
              • Size 468KB
              • SHA256 da6c395a2018d3439ad580a19e6a1ca5ff29ef9074411ee9f9f1b0a6365dfebd
              • MD5 SHA1 SHA512 SSDEEP

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\Sso8n7qgT\DUI70.dll
              • Size 1.2MB
              • SHA256 89e723cbcd985df46a7da056cbe94511c508963bbefb475ef56c230025ea63e3
              • MD5 SHA1 SHA512 SSDEEP

              SystemSettingsAdminFlows.exe

              • Path C:\Users\Admin\AppData\Local\Sso8n7qgT\SystemSettingsAdminFlows.exe
              • Size 506KB
              • SHA256 a7a2e7122d27308df37b7ab718ef3ac239e4216669f51331e34e205f59fb0aec
              • MD5 SHA1 SHA512 SSDEEP

              Puokv.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Puokv.lnk
              • Size 1KB
              • SHA256 5c43863cef09f9e651743ed346db5036614177da32d2e254c41f3b952da18940
              • MD5 SHA1 SHA512

              memory/3436-7-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-33-0x00007FF8E3910000-0x00007FF8E3920000-memory.dmp

              memory/3436-11-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-10-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-9-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-8-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-14-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-4-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

              memory/3436-34-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-6-0x00007FF8E308A000-0x00007FF8E308B000-memory.dmp

              memory/3436-32-0x0000000000780000-0x0000000000787000-memory.dmp

              memory/3436-12-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-13-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/3436-23-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/4524-83-0x0000000140000000-0x00000001400FD000-memory.dmp

              memory/4616-37-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/4616-0-0x000001ABF6A80000-0x000001ABF6A87000-memory.dmp

              memory/4616-1-0x0000000140000000-0x00000001400FC000-memory.dmp

              memory/5724-64-0x000001757C100000-0x000001757C107000-memory.dmp

              memory/5724-61-0x0000000140000000-0x00000001400FD000-memory.dmp

              memory/5724-67-0x0000000140000000-0x00000001400FD000-memory.dmp

              memory/5768-50-0x0000000140000000-0x0000000140142000-memory.dmp

              memory/5768-47-0x000002D4E9B00000-0x000002D4E9B07000-memory.dmp

              memory/5768-44-0x0000000140000000-0x0000000140142000-memory.dmp