Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 16:08

General

  • Target

    f3d5b30933897c841a5a77d1e7122f50_JaffaCakes118.dll

  • Size

    188KB

  • MD5

    f3d5b30933897c841a5a77d1e7122f50

  • SHA1

    8d35542352da38e2320aa37dfd6d2618b7075493

  • SHA256

    f21c0b1c472f80aa843277ff5b27f50e47aacd85bf0a7ad1bf3296d9f194b70a

  • SHA512

    68852d52b090e284b0e1fcc9d7cda8118721f6e80385e730e04c7005753860b4af694f33bec8dc9e3b6fade81c07f0afad9650477ae776f8ee5ad393f0dd1839

  • SSDEEP

    3072:JA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:JzIqATVfQeV2FZalKq6jtGJWuTmd

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\f3d5b30933897c841a5a77d1e7122f50_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3d5b30933897c841a5a77d1e7122f50_JaffaCakes118.dll,#1
      2⤵
        PID:4564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 692
          3⤵
          • Program crash
          PID:1964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4564 -ip 4564
      1⤵
        PID:1232

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4564-0-0x0000000075040000-0x0000000075070000-memory.dmp
        Filesize

        192KB

      • memory/4564-1-0x0000000001160000-0x0000000001166000-memory.dmp
        Filesize

        24KB