Analysis

  • max time kernel
    115s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 03:39

General

  • Target

    b120b488d9e15ba792f7e4b43c3cf767.dll

  • Size

    188KB

  • MD5

    b120b488d9e15ba792f7e4b43c3cf767

  • SHA1

    4e780cd86890ac94492dd9bc95a82f5e77e611da

  • SHA256

    d8d318abb4daca458340003558695f4fe7a340393e14391e498ce3151d7e5c50

  • SHA512

    b684773ed03a9cbac733b325e476dfae76ca70e1ecfce3b7774531f21494d2db7283f9dbb8719990bb91c1f7a67af2ffe2429b30845507599730b6737accc895

  • SSDEEP

    3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoFo:FzIqATVfQeV2FZalKq6jtGJWuTmd

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\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b120b488d9e15ba792f7e4b43c3cf767.dll,#1
      2⤵
        PID:4580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 692
          3⤵
          • Program crash
          PID:2276
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4580 -ip 4580
      1⤵
        PID:3836
      • 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=4000 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1148

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4580-0-0x00000000757E0000-0x0000000075810000-memory.dmp

          Filesize

          192KB

        • memory/4580-1-0x0000000001150000-0x0000000001156000-memory.dmp

          Filesize

          24KB