Analysis

  • max time kernel
    146s
  • 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
    20-03-2024 17:57

General

  • Target

    d972487c7a51c1fe60c2e9712e97c3f3.dll

  • Size

    184KB

  • MD5

    d972487c7a51c1fe60c2e9712e97c3f3

  • SHA1

    e57e7c3b2192ca3f776b7ce83588326b26f70235

  • SHA256

    65a678fcc84d35dcd7dc9ee09c76085cbb154a03ccc70d6af12e10e9ce739234

  • SHA512

    17a5a15c13f3f0c0ed678f9c4d2cc2a55384f43488801014856c20ef3b4fcd12d25fe5f79cbbe664b2cb4cb46bf8dba0d465ae0b90c4daed6641b8621ff15134

  • SSDEEP

    3072:Bhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JhVQcY:B3fOeIv54W6SFKfc9me9v9/JhV

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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\d972487c7a51c1fe60c2e9712e97c3f3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d972487c7a51c1fe60c2e9712e97c3f3.dll,#1
      2⤵
        PID:4388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 668
          3⤵
          • Program crash
          PID:5016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4388 -ip 4388
      1⤵
        PID:2612
      • 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=5124 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4384

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4388-0-0x00000000009C0000-0x00000000009C6000-memory.dmp
          Filesize

          24KB

        • memory/4388-1-0x00000000749A0000-0x00000000749D0000-memory.dmp
          Filesize

          192KB

        • memory/4388-4-0x00000000009C0000-0x00000000009C6000-memory.dmp
          Filesize

          24KB