Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 01:01

General

  • Target
    7e7645b86e265b69aed08c4852fe6291.dll
  • Size 1.1MB
  • Sample240129-bdcegsgacp
  • SHA256 e0980b4994c3d61ec8c3ab1db13ef837487bd2e209e97a4ad4708211d9d4d712
  • 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 7 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 18 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\7e7645b86e265b69aed08c4852fe6291.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1944
  • C:\Windows\system32\mblctr.exe
    C:\Windows\system32\mblctr.exe
    1⤵
      PID:2600
    • C:\Users\Admin\AppData\Local\E7jLd\mblctr.exe
      C:\Users\Admin\AppData\Local\E7jLd\mblctr.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2660
    • C:\Windows\system32\OptionalFeatures.exe
      C:\Windows\system32\OptionalFeatures.exe
      1⤵
        PID:2912
      • C:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
        C:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2792
      • C:\Windows\system32\UI0Detect.exe
        C:\Windows\system32\UI0Detect.exe
        1⤵
          PID:1984
        • C:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
          C:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1648

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              VERSION.dll

              • Path C:\Users\Admin\AppData\Local\MU2iq\VERSION.dll
              • Size 1.1MB
              • SHA256 3f44153bde9311f0732597cf08a1e9c0082ed93751aed2bda955fe5e9718cf29
              • MD5 SHA1 SHA512 SSDEEP

              appwiz.cpl

              • Path C:\Users\Admin\AppData\Local\sBUME\appwiz.cpl
              • Size 1.1MB
              • SHA256 39f209ee19ad165b57662a5500ae82d1d6b403a69b60dd8896be65954e498584
              • MD5 SHA1 SHA512 SSDEEP

              Gmfoo.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Gmfoo.lnk
              • Size 1KB
              • SHA256 747073d8016c97a75f293a420f4900eaff826ac3ff22414ea05c85fd7099fd5f
              • MD5 SHA1 SHA512

              VERSION.dll

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Hdt7Hp\VERSION.dll
              • Size 1.1MB
              • SHA256 b23ea1f10b0e1c747436d145c594472f484cf0ffea9fe0d53395a02ddad22786
              • MD5 SHA1 SHA512 SSDEEP

              UxTheme.dll

              • Path \Users\Admin\AppData\Local\E7jLd\UxTheme.dll
              • Size 1.1MB
              • SHA256 b9db8e0bf94bf4cf8416e9b8aa72bcfe4a83cf49d6a5a4f847ddbf6eedae9e07
              • MD5 SHA1 SHA512 SSDEEP

              mblctr.exe

              • Path \Users\Admin\AppData\Local\E7jLd\mblctr.exe
              • Size 935KB
              • SHA256 b71cdf708d4a4f045f784de5e5458ebf9a4fa2b188c3f7422e2fbfe19310be3f
              • MD5 SHA1 SHA512 SSDEEP

              UI0Detect.exe

              • Path \Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
              • Size 40KB
              • SHA256 b8dab8aa804fc23021bfebd7ae4d40fbe648d6c6ba21cc008e26d1c084972f9b
              • MD5 SHA1 SHA512 SSDEEP

              OptionalFeatures.exe

              • Path \Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
              • Size 95KB
              • SHA256 01feebd3aca961f31ba4eac45347b105d1c5772627b08f5538047721b61ff9bc
              • MD5 SHA1 SHA512 SSDEEP

              memory/1204-16-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-10-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-3-0x0000000076FB6000-0x0000000076FB7000-memory.dmp

              memory/1204-17-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-20-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-19-0x00000000029A0000-0x00000000029A7000-memory.dmp

              memory/1204-18-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-15-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-13-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-14-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-12-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-29-0x0000000077350000-0x0000000077352000-memory.dmp

              memory/1204-28-0x0000000077320000-0x0000000077322000-memory.dmp

              memory/1204-27-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-38-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-40-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-4-0x00000000029C0000-0x00000000029C1000-memory.dmp

              memory/1204-9-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-11-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-6-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-72-0x0000000076FB6000-0x0000000076FB7000-memory.dmp

              memory/1204-7-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1204-8-0x0000000140000000-0x0000000140119000-memory.dmp

              memory/1648-91-0x00000000000F0000-0x00000000000F7000-memory.dmp

              memory/1648-94-0x000007FEF6080000-0x000007FEF619A000-memory.dmp

              memory/1944-41-0x000007FEF6080000-0x000007FEF6199000-memory.dmp

              memory/1944-0-0x000007FEF6080000-0x000007FEF6199000-memory.dmp

              memory/1944-2-0x0000000000090000-0x0000000000097000-memory.dmp

              memory/2660-60-0x000007FEF6860000-0x000007FEF697A000-memory.dmp

              memory/2660-56-0x0000000000080000-0x0000000000087000-memory.dmp

              memory/2660-55-0x000007FEF6860000-0x000007FEF697A000-memory.dmp

              memory/2792-74-0x0000000000070000-0x0000000000077000-memory.dmp

              memory/2792-73-0x000007FEF6080000-0x000007FEF619A000-memory.dmp

              memory/2792-77-0x000007FEF6080000-0x000007FEF619A000-memory.dmp