Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 00:48

General

  • Target

    f4b153eaca19724c4fd00ec603c105ee_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    f4b153eaca19724c4fd00ec603c105ee

  • SHA1

    f74fdecce8686714e420cc1f506421f466421ea7

  • SHA256

    abf59cf9aaa4a972ef30e056c91511392352c41f5c65cbf1f7afba2d4c5321a4

  • SHA512

    514f25a5dc08f5c762f63e872e94cdbbe178ed386d5efc6dd1ccf7675ecb4aa147387f9c4e08c2c69f42f47ef096f89ced48a8969ca309f3e70761f12cc542db

  • SSDEEP

    3072:3A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo1o:3zIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b153eaca19724c4fd00ec603c105ee_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4b153eaca19724c4fd00ec603c105ee_JaffaCakes118.dll,#1
      2⤵
        PID:4608
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 688
          3⤵
          • Program crash
          PID:3988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4608 -ip 4608
      1⤵
        PID:4192

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4608-1-0x0000000000990000-0x0000000000996000-memory.dmp
        Filesize

        24KB

      • memory/4608-0-0x00000000752E0000-0x0000000075310000-memory.dmp
        Filesize

        192KB