Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 04:19

General

  • Target

    f74034c7a999fa3af990ab36edffd130_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    f74034c7a999fa3af990ab36edffd130

  • SHA1

    37a3172fc6703bbfb7f87ad40694fb1eac44588c

  • SHA256

    d314580b45a5004f75bf4538b47ce5cf84392986e385463c24e418cdb7c30de3

  • SHA512

    70a119c4d33823e6c02333ae487898134452f1390d51384f83cbd73a5b375f4c03648b16477f1985dab46b26a0a8e9feb632ca6b41bf503cf8827bec073be580

  • SSDEEP

    3072:aA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoto:azIqATVfQeV2FZalKq6jtGJWuTmd

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\f74034c7a999fa3af990ab36edffd130_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f74034c7a999fa3af990ab36edffd130_JaffaCakes118.dll,#1
      2⤵
        PID:4516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 688
          3⤵
          • Program crash
          PID:4348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4516 -ip 4516
      1⤵
        PID:3288

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4516-0-0x0000000000E10000-0x0000000000E16000-memory.dmp
        Filesize

        24KB

      • memory/4516-1-0x00000000755D0000-0x0000000075600000-memory.dmp
        Filesize

        192KB

      • memory/4516-3-0x0000000000E10000-0x0000000000E16000-memory.dmp
        Filesize

        24KB