Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 12:42

General

  • Target

    e1b12647f4e807bfe033d483a6a15d7b.dll

  • Size

    188KB

  • MD5

    e1b12647f4e807bfe033d483a6a15d7b

  • SHA1

    b37cdd70a58d7ac27b046feb63f01a715dee0661

  • SHA256

    5e230e23256c560fca20da7f661c40b6d54223f0ff71186f2849a1310aa27d3a

  • SHA512

    b1ff03565719ae98a028e75aa9bf5ea4cd265e356d5d85bfae7aa6d81ed56cd4895148707bc5ba7b5854ff98187564a1a81855460a35e91e014c5fc741745655

  • SSDEEP

    3072:mA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoCo:mzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 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\e1b12647f4e807bfe033d483a6a15d7b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1b12647f4e807bfe033d483a6a15d7b.dll,#1
      2⤵
        PID:4972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 688
          3⤵
          • Program crash
          PID:1360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4972 -ip 4972
      1⤵
        PID:4304
      • 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=992 --field-trial-handle=2264,i,7994609493164365963,13212734413040148104,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:2816

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4972-1-0x0000000075200000-0x0000000075230000-memory.dmp
          Filesize

          192KB

        • memory/4972-0-0x0000000000850000-0x0000000000856000-memory.dmp
          Filesize

          24KB

        • memory/4972-2-0x0000000075200000-0x0000000075230000-memory.dmp
          Filesize

          192KB