Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 12:16

General

  • Target
    99677e47abb74a2bbed3fafc0a218608.dll
  • Size 2.9MB
  • Sample240213-pfppgsaf49
  • SHA256 796a138db0ea810d2a55aa52b67e343e2746d2b4cd07ad653d8d3ac06b214224
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\99677e47abb74a2bbed3fafc0a218608.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4384
  • C:\Windows\system32\EaseOfAccessDialog.exe
    C:\Windows\system32\EaseOfAccessDialog.exe
    1⤵
      PID:3156
    • C:\Users\Admin\AppData\Local\Hml\EaseOfAccessDialog.exe
      C:\Users\Admin\AppData\Local\Hml\EaseOfAccessDialog.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4196
    • C:\Windows\system32\rdpshell.exe
      C:\Windows\system32\rdpshell.exe
      1⤵
        PID:2920
      • C:\Users\Admin\AppData\Local\xGox\rdpshell.exe
        C:\Users\Admin\AppData\Local\xGox\rdpshell.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4212
      • C:\Windows\system32\MDMAppInstaller.exe
        C:\Windows\system32\MDMAppInstaller.exe
        1⤵
          PID:2348
        • C:\Users\Admin\AppData\Local\gOJmGOr\MDMAppInstaller.exe
          C:\Users\Admin\AppData\Local\gOJmGOr\MDMAppInstaller.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:5004

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              DUser.dll

              • Path C:\Users\Admin\AppData\Local\Hml\DUser.dll
              • Size 2.9MB
              • SHA256 636a26ef4ad989f43e4f97f02831f6f100c1cb73fd46a01ea0fcc00584a08a7b
              • MD5 SHA1 SHA512 SSDEEP

              EaseOfAccessDialog.exe

              • Path C:\Users\Admin\AppData\Local\Hml\EaseOfAccessDialog.exe
              • Size 123KB
              • SHA256 0b1731562413eaa972b373cd7388c644a3059940ce67eb89668e4073f3e068dc
              • MD5 SHA1 SHA512 SSDEEP

              MDMAppInstaller.exe

              • Path C:\Users\Admin\AppData\Local\gOJmGOr\MDMAppInstaller.exe
              • Size 151KB
              • SHA256 dc821931f63117962e2266acd3266e86bf8116d4a14b3adbebfade1d40b84766
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\gOJmGOr\WTSAPI32.dll
              • Size 2.9MB
              • SHA256 34bc74df173f695726db0d93039941c4fcf8048729b4a48153d701b7b6554389
              • MD5 SHA1 SHA512 SSDEEP

              dwmapi.dll

              • Path C:\Users\Admin\AppData\Local\xGox\dwmapi.dll
              • Size 2.9MB
              • SHA256 94fd9ddbbd017ed4c5b26d0950de37722595069442c060437db05d014c5bbaaa
              • MD5 SHA1 SHA512 SSDEEP

              rdpshell.exe

              • Path C:\Users\Admin\AppData\Local\xGox\rdpshell.exe
              • Size 468KB
              • SHA256 da6c395a2018d3439ad580a19e6a1ca5ff29ef9074411ee9f9f1b0a6365dfebd
              • MD5 SHA1 SHA512 SSDEEP

              Aqwbkkvq.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Aqwbkkvq.lnk
              • Size 1KB
              • SHA256 23d6ac1285aa8c469e437b5c534e2db6f73b0dcb47e3448c5d7c30984a1c96de
              • MD5 SHA1 SHA512

              memory/3392-42-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-48-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-15-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-16-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-45-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-18-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-20-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-19-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-21-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-23-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-22-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-25-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-24-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-26-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-27-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-28-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-29-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-30-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-31-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-32-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-33-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-34-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-35-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-36-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-37-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-39-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-40-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-38-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-41-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-4-0x0000000002840000-0x0000000002841000-memory.dmp

              memory/3392-43-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-44-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-17-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-14-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-6-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-46-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-50-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-51-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-52-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-49-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-54-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-55-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-56-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-57-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-58-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-53-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-60-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-61-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-63-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-62-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-59-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-64-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-65-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-75-0x0000000002240000-0x0000000002247000-memory.dmp

              memory/3392-82-0x00007FFB2BCE0000-0x00007FFB2BCF0000-memory.dmp

              memory/3392-13-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-8-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-47-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-12-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-10-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/3392-9-0x00007FFB2A8DA000-0x00007FFB2A8DB000-memory.dmp

              memory/3392-11-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/4196-103-0x00000182C8000000-0x00000182C8007000-memory.dmp

              memory/4212-120-0x0000028C23A60000-0x0000028C23A67000-memory.dmp

              memory/4384-1-0x00000000014F0000-0x00000000014F7000-memory.dmp

              memory/4384-0-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/4384-7-0x0000000140000000-0x00000001402E5000-memory.dmp

              memory/5004-137-0x000002AB2EAF0000-0x000002AB2EAF7000-memory.dmp