Analysis

  • max time kernel
    102s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 23:49

General

  • Target

    1e5e6ad563929c8266f8d1eff2d3e440N.dll

  • Size

    184KB

  • MD5

    1e5e6ad563929c8266f8d1eff2d3e440

  • SHA1

    9bec47bdbd9f957135e4242a970a6b3a32ef9251

  • SHA256

    9e15d34bafc5ac424f779e23c20563661ce9e3c39f588b90151bbc9aa06ccb6b

  • SHA512

    26fa7931e74697a62253f6886ae56e0fff518b541d5ca16bdc3b25aa6b2a59758b3876b7ef1e3aa922393701f67f116dd07fd7b9035d3650c10c633f37483287

  • SSDEEP

    3072:ogkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgrdA4l:NPFkq6zOe5ilSanOUd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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\1e5e6ad563929c8266f8d1eff2d3e440N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1e5e6ad563929c8266f8d1eff2d3e440N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 620
        3⤵
        • Program crash
        PID:3908
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1872 -ip 1872
    1⤵
      PID:2820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1872-0-0x00000000758F0000-0x0000000075920000-memory.dmp

      Filesize

      192KB

    • memory/1872-2-0x0000000002C60000-0x0000000002C66000-memory.dmp

      Filesize

      24KB