Analysis

  • max time kernel
    150s
  • 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
    29/02/2024, 20:11

General

  • Target
    af5d6a295c5c0d0a85d742b242fabc74.dll
  • Size 2.8MB
  • Sample240229-yyc8vabf64
  • SHA256 dd6d62bdd243bbbe0c6c64c4b504bdd67f920b2144c11828beacdd5739bb6d70
  • 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.

  • 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\af5d6a295c5c0d0a85d742b242fabc74.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3504
  • C:\Windows\system32\MoUsoCoreWorker.exe
    C:\Windows\system32\MoUsoCoreWorker.exe
    1⤵
      PID:1196
    • C:\Users\Admin\AppData\Local\EFFzsG\MoUsoCoreWorker.exe
      C:\Users\Admin\AppData\Local\EFFzsG\MoUsoCoreWorker.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2236
    • C:\Windows\system32\DmNotificationBroker.exe
      C:\Windows\system32\DmNotificationBroker.exe
      1⤵
        PID:3312
      • C:\Users\Admin\AppData\Local\NiM\DmNotificationBroker.exe
        C:\Users\Admin\AppData\Local\NiM\DmNotificationBroker.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:532
      • C:\Windows\system32\isoburn.exe
        C:\Windows\system32\isoburn.exe
        1⤵
          PID:4720
        • C:\Users\Admin\AppData\Local\Ciy5XS3pZ\isoburn.exe
          C:\Users\Admin\AppData\Local\Ciy5XS3pZ\isoburn.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3088

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              UxTheme.dll

              • Path C:\Users\Admin\AppData\Local\Ciy5XS3pZ\UxTheme.dll
              • Size 2.8MB
              • SHA256 a97dd028361ce985d38a79beec1fdd20a3148fba641a4f7841c5ecea3b22e81c
              • MD5 SHA1 SHA512 SSDEEP

              isoburn.exe

              • Path C:\Users\Admin\AppData\Local\Ciy5XS3pZ\isoburn.exe
              • Size 119KB
              • SHA256 9478c095afe212bce91d2de1a3c3647109f2d54e46b9bf70843e839324458567
              • MD5 SHA1 SHA512 SSDEEP

              MoUsoCoreWorker.exe

              • Path C:\Users\Admin\AppData\Local\EFFzsG\MoUsoCoreWorker.exe
              • Size 1.6MB
              • SHA256 cbccb642725edb42e749e26ded68a16b3aa20e291a1a7793a2d4efebb75f99c0
              • MD5 SHA1 SHA512 SSDEEP

              XmlLite.dll

              • Path C:\Users\Admin\AppData\Local\EFFzsG\XmlLite.dll
              • Size 2.8MB
              • SHA256 944c14a922c4173b0b755e49175b6a9d69343aee3d585d89549c73b42fb04076
              • MD5 SHA1 SHA512 SSDEEP

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\NiM\DUI70.dll
              • Size 3.1MB
              • SHA256 e01da4c968d7d115bb48d20db02bf493df268969ad6153fd867c7c108b9b1d99
              • MD5 SHA1 SHA512 SSDEEP

              DmNotificationBroker.exe

              • Path C:\Users\Admin\AppData\Local\NiM\DmNotificationBroker.exe
              • Size 32KB
              • SHA256 f87537e5f26193a2273380f86cc9ac16d977f65b0eff2435e40be830fd99f7b5
              • MD5 SHA1 SHA512 SSDEEP

              Xkmqd.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Xkmqd.lnk
              • Size 1KB
              • SHA256 f8849159a8fee08a7fabf0bddbeab0328b31074f9d39d4282434afaf043238af
              • MD5 SHA1 SHA512

              memory/532-92-0x0000000140000000-0x0000000140314000-memory.dmp

              memory/532-86-0x0000000140000000-0x0000000140314000-memory.dmp

              memory/532-89-0x00000220A9190000-0x00000220A9197000-memory.dmp

              memory/2236-74-0x0000000140000000-0x00000001402CF000-memory.dmp

              memory/2236-68-0x0000000140000000-0x00000001402CF000-memory.dmp

              memory/2236-69-0x000001C3B1D60000-0x000001C3B1D67000-memory.dmp

              memory/3088-104-0x000001C019BE0000-0x000001C019BE7000-memory.dmp

              memory/3088-109-0x0000000140000000-0x00000001402CF000-memory.dmp

              memory/3480-17-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-40-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-20-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-21-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-22-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-24-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-25-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-26-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-27-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-28-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-29-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-23-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-30-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-31-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-33-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-34-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-35-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-32-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-37-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-36-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-38-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-19-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-39-0x00000000008F0000-0x00000000008F7000-memory.dmp

              memory/3480-47-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-48-0x00007FF8113A0000-0x00007FF8113B0000-memory.dmp

              memory/3480-57-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-59-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-18-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-5-0x00007FF80FCCA000-0x00007FF80FCCB000-memory.dmp

              memory/3480-16-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-15-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-14-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-13-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-12-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-11-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-10-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-9-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-7-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3480-4-0x0000000002400000-0x0000000002401000-memory.dmp

              memory/3504-8-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3504-1-0x0000000140000000-0x00000001402CE000-memory.dmp

              memory/3504-0-0x00000000014C0000-0x00000000014C7000-memory.dmp