Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 21:33

General

  • Target
    b4021f10d2e2215d8af36f1bf63f20febedd4913c247b74cdc757bb6cc68330d.dll
  • Size 740KB
  • Sample240305-1egs2aaa2t
  • SHA256 b4021f10d2e2215d8af36f1bf63f20febedd4913c247b74cdc757bb6cc68330d
  • 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.

  • Dridex payload 11 IoCs

    Detects Dridex x64 core DLL in memory.

  • 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 4 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4021f10d2e2215d8af36f1bf63f20febedd4913c247b74cdc757bb6cc68330d.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:980
  • C:\Windows\system32\CameraSettingsUIHost.exe
    C:\Windows\system32\CameraSettingsUIHost.exe
    1⤵
      PID:1556
    • C:\Users\Admin\AppData\Local\uESba\CameraSettingsUIHost.exe
      C:\Users\Admin\AppData\Local\uESba\CameraSettingsUIHost.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:456
    • C:\Windows\system32\upfc.exe
      C:\Windows\system32\upfc.exe
      1⤵
        PID:4804
      • C:\Users\Admin\AppData\Local\Vr1hURUxg\upfc.exe
        C:\Users\Admin\AppData\Local\Vr1hURUxg\upfc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:848
      • C:\Windows\system32\SystemSettingsAdminFlows.exe
        C:\Windows\system32\SystemSettingsAdminFlows.exe
        1⤵
          PID:3992
        • C:\Users\Admin\AppData\Local\IfIU\SystemSettingsAdminFlows.exe
          C:\Users\Admin\AppData\Local\IfIU\SystemSettingsAdminFlows.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3436

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\IfIU\DUI70.dll
              • Size 1020KB
              • SHA256 0caac72bd67ce5faaa6542083b37513f51f4c24c83725d9dfd39837a7af5be4b
              • MD5 SHA1 SHA512 SSDEEP

              SystemSettingsAdminFlows.exe

              • Path C:\Users\Admin\AppData\Local\IfIU\SystemSettingsAdminFlows.exe
              • Size 506KB
              • SHA256 a7a2e7122d27308df37b7ab718ef3ac239e4216669f51331e34e205f59fb0aec
              • MD5 SHA1 SHA512 SSDEEP

              XmlLite.dll

              • Path C:\Users\Admin\AppData\Local\Vr1hURUxg\XmlLite.dll
              • Size 744KB
              • SHA256 2eebdb8185767fce5eecca06c4ab1d89ad8a504baf48268e98cf44a0d24533a3
              • MD5 SHA1 SHA512 SSDEEP

              upfc.exe

              • Path C:\Users\Admin\AppData\Local\Vr1hURUxg\upfc.exe
              • Size 118KB
              • SHA256 ee44fe14df89c4e5eaf8398f8fb4823fd910c5a94d913653d6b9e831254f6cc2
              • MD5 SHA1 SHA512 SSDEEP

              CameraSettingsUIHost.exe

              • Path C:\Users\Admin\AppData\Local\uESba\CameraSettingsUIHost.exe
              • Size 31KB
              • SHA256 3bf20bc5a208dfa1ea26a042fd0010b1268dcfedc94ed775f11890bc1d95e717
              • MD5 SHA1 SHA512 SSDEEP

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\uESba\DUI70.dll
              • Size 1020KB
              • SHA256 ae9c21d08599eec88bdf87cd8e18c37de17ea96ba97fdea62f1f4830bd6cbc9d
              • MD5 SHA1 SHA512 SSDEEP

              Bgoltaavvu.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Bgoltaavvu.lnk
              • Size 1KB
              • SHA256 bad2df5c8ced9790518fba251cde75a121ebde448946514d33c6261a4b3ffc94
              • MD5 SHA1 SHA512

              memory/456-52-0x000002A1E3CB0000-0x000002A1E3CB7000-memory.dmp

              memory/456-51-0x00007FFA7D720000-0x00007FFA7D81F000-memory.dmp

              memory/456-56-0x00007FFA7D720000-0x00007FFA7D81F000-memory.dmp

              memory/848-72-0x00007FFA7D650000-0x00007FFA7D70A000-memory.dmp

              memory/848-67-0x00007FFA7D650000-0x00007FFA7D70A000-memory.dmp

              memory/848-68-0x000002185EA40000-0x000002185EA47000-memory.dmp

              memory/980-0-0x00007FFA8C590000-0x00007FFA8C649000-memory.dmp

              memory/980-44-0x00007FFA8C590000-0x00007FFA8C649000-memory.dmp

              memory/980-1-0x0000026644EE0000-0x0000026644EE7000-memory.dmp

              memory/3436-83-0x00007FFA7D310000-0x00007FFA7D40F000-memory.dmp

              memory/3436-85-0x000001D488B70000-0x000001D488B77000-memory.dmp

              memory/3436-88-0x00007FFA7D310000-0x00007FFA7D40F000-memory.dmp

              memory/3460-12-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-17-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-22-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-30-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-31-0x00007FFA9ADC0000-0x00007FFA9ADD0000-memory.dmp

              memory/3460-32-0x00007FFA9ADB0000-0x00007FFA9ADC0000-memory.dmp

              memory/3460-41-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-21-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-20-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-19-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-18-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-23-0x00000000012A0000-0x00000000012A7000-memory.dmp

              memory/3460-15-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-14-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-16-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-13-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-11-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-10-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-9-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-8-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-7-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-6-0x0000000140000000-0x00000001400B9000-memory.dmp

              memory/3460-3-0x0000000001530000-0x0000000001531000-memory.dmp

              memory/3460-4-0x00007FFA99D2A000-0x00007FFA99D2B000-memory.dmp