Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2024 04:14

General

  • Target

    daa93b9eadf133d4386cabec9d9fb183.dll

  • Size

    188KB

  • MD5

    daa93b9eadf133d4386cabec9d9fb183

  • SHA1

    be01625db07ac62717bff1d1e51f10c48e403c96

  • SHA256

    5584176edee92010fae48d0b2ec9a837020c1bc7ccbd439ee332bccc8867a974

  • SHA512

    cdf2fdef129350a7566cef49d1d7efd3bebf44f915e4626813e191bf7b0ff4851c9c31d6342a2d886d8ad368b4c612f6a73c2c1634d01f1b46ce0bf1b054c541

  • SSDEEP

    3072:gH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViW47dU:gUua/Pv7YNhRIEZDeXVpAxtMsxK

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\daa93b9eadf133d4386cabec9d9fb183.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\daa93b9eadf133d4386cabec9d9fb183.dll,#1
      2⤵
        PID:5084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 688
          3⤵
          • Program crash
          PID:2224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5084 -ip 5084
      1⤵
        PID:1216
      • 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=3788 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4412

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5084-0-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

          Filesize

          24KB

        • memory/5084-1-0x0000000075860000-0x0000000075890000-memory.dmp

          Filesize

          192KB

        • memory/5084-2-0x0000000075860000-0x0000000075890000-memory.dmp

          Filesize

          192KB

        • memory/5084-3-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

          Filesize

          24KB