Overview

overview

10

Static

static

3

b4afdb095a...45.dll

windows7-x64

10

b4afdb095a...45.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 12:23

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General

  • Target
    b4afdb095a2ad31eb1bf3ce3838d9f45.dll
  • Size 188KB
  • Sample240305-pkth8sfd48
  • SHA256 0b137c41d288b50363f5a2067d03ab2ca1b076e07296c62a1e21cb687400ec46
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dridex22201botnetloader

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.

    botnetdridex
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4afdb095a2ad31eb1bf3ce3838d9f45.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4afdb095a2ad31eb1bf3ce3838d9f45.dll,#1
      2⤵
        PID:3804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 688
          3⤵
          • Program crash
          PID:5032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3804 -ip 3804
      1⤵
        PID:4452
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3724 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4168

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/3804-0-0x00000000013B0000-0x00000000013B6000-memory.dmp
              Download

              memory/3804-1-0x00000000750D0000-0x0000000075100000-memory.dmp
              Download

              memory/3804-4-0x00000000013B0000-0x00000000013B6000-memory.dmp
              Download