Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 20:35

General

  • Target

    dd442599802dce9770fdf13ff4db0e90N.dll

  • Size

    188KB

  • MD5

    dd442599802dce9770fdf13ff4db0e90

  • SHA1

    207bad5c360dd8906bc1eeabcd573ac17050dda1

  • SHA256

    9bca1a90a4a13d5754fb125f3b7b759f1e6d8d0b09b0fbb4be2895aa094567f4

  • SHA512

    dde90466aff5e713b55fee4925e12f81f1a7b145c1e54801b9149ec4819c22c197911e10a4550430803367c7eb80231416d1f880118f062937cf13013184781b

  • SSDEEP

    3072:CteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzN9qM:qq7fYIHBZkTB6DWruUCOwjt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd442599802dce9770fdf13ff4db0e90N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd442599802dce9770fdf13ff4db0e90N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 692
        3⤵
        • Program crash
        PID:1892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3424 -ip 3424
    1⤵
      PID:3748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3424-0-0x0000000074BB0000-0x0000000074BE0000-memory.dmp

      Filesize

      192KB

    • memory/3424-2-0x00000000009F0000-0x00000000009F6000-memory.dmp

      Filesize

      24KB