Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 17:17

General

  • Target

    e22fdeb84f0434c76d095f0fb3228391.dll

  • Size

    188KB

  • MD5

    e22fdeb84f0434c76d095f0fb3228391

  • SHA1

    19ed955bda6f287917d7c3308b561e466fe2b34a

  • SHA256

    1cf1310269493163b26652c6f7d71552f235e0702ee46fe2aed99334cffdf465

  • SHA512

    8abbbaed8b8adb433d09524735a7c3c7fea13ef41567886e78de2a1fc32c7c4baa483801847b0fb94662b8f966f8863b832957aba7f08f279ff4bb4ff90ca90b

  • SSDEEP

    3072:VA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAodo:VzIqATVfQeV2FZalKq6jtGJWuTmd

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\e22fdeb84f0434c76d095f0fb3228391.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e22fdeb84f0434c76d095f0fb3228391.dll,#1
      2⤵
        PID:1028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 692
          3⤵
          • Program crash
          PID:3148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 1028 -ip 1028
      1⤵
        PID:2680
      • 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=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1020

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1028-0-0x0000000000DC0000-0x0000000000DC6000-memory.dmp
          Filesize

          24KB

        • memory/1028-1-0x0000000074D10000-0x0000000074D40000-memory.dmp
          Filesize

          192KB

        • memory/1028-3-0x0000000000DC0000-0x0000000000DC6000-memory.dmp
          Filesize

          24KB