Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 23:03

General

  • Target
    5ce626cc979bced4df80a332aa794800_NEIKI.dll
  • Size 1.8MB
  • Sample240507-21m3lsda3z
  • SHA256 445accea40bee73a661f478c9bfd5c9129b49ad86971a3cb25dae06f1a572a14
  • 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 8 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 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\5ce626cc979bced4df80a332aa794800_NEIKI.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1484
  • C:\Windows\system32\slui.exe
    C:\Windows\system32\slui.exe
    1⤵
      PID:2080
    • C:\Users\Admin\AppData\Local\34fLLx\slui.exe
      C:\Users\Admin\AppData\Local\34fLLx\slui.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4344
    • C:\Windows\system32\wextract.exe
      C:\Windows\system32\wextract.exe
      1⤵
        PID:5224
      • C:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exe
        C:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4084
      • C:\Windows\system32\sethc.exe
        C:\Windows\system32\sethc.exe
        1⤵
          PID:1900
        • C:\Users\Admin\AppData\Local\Y9RLgl\sethc.exe
          C:\Users\Admin\AppData\Local\Y9RLgl\sethc.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2216

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              SLC.dll

              • Path C:\Users\Admin\AppData\Local\34fLLx\SLC.dll
              • Size 1.9MB
              • SHA256 72f7f63b4844cae7e8b29c2610eb780f3afa3e2fc86df33f6832a398c03c2758
              • MD5 SHA1 SHA512 SSDEEP

              slui.exe

              • Path C:\Users\Admin\AppData\Local\34fLLx\slui.exe
              • Size 534KB
              • SHA256 25e7624d469a592934ab8c509d12c153c2799e604c2a4b8a83650a7268577dff
              • MD5 SHA1 SHA512 SSDEEP

              VERSION.dll

              • Path C:\Users\Admin\AppData\Local\BvhF9Ov\VERSION.dll
              • Size 1.9MB
              • SHA256 039d73df02053334c88335e2bc7ac613ed1ea545cc341dd63b88e55c0e2ef787
              • MD5 SHA1 SHA512 SSDEEP

              wextract.exe

              • Path C:\Users\Admin\AppData\Local\BvhF9Ov\wextract.exe
              • Size 143KB
              • SHA256 fbb6dc62abeeb222b49a63f43dc6eea96f3d7e9a8da55381c15d57a5d099f3e0
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\Y9RLgl\WTSAPI32.dll
              • Size 1.9MB
              • SHA256 8d1ae730edcfcc51c42d4b7859ad9b122c4c0fb267ae9554b3c68a6e2052d761
              • MD5 SHA1 SHA512 SSDEEP

              sethc.exe

              • Path C:\Users\Admin\AppData\Local\Y9RLgl\sethc.exe
              • Size 104KB
              • SHA256 615b2f2d7e3fce340839a9b54bdc3445eb2333d0fafee477d6113379e90935b8
              • MD5 SHA1 SHA512 SSDEEP

              Ehesgegqlj.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ehesgegqlj.lnk
              • Size 1KB
              • SHA256 984e31b0c3133cb0aa7876bb815320af8dde6c6ebe674278922e1a1555acd454
              • MD5 SHA1 SHA512

              memory/1484-51-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/1484-1-0x0000022A955C0000-0x0000022A955C7000-memory.dmp

              memory/1484-0-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/2216-95-0x0000000140000000-0x00000001401DA000-memory.dmp

              memory/2216-92-0x0000024D45140000-0x0000024D45147000-memory.dmp

              memory/3324-37-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-7-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-25-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-24-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-22-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-20-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-18-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-17-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-14-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-13-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-12-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-11-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-10-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-23-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-21-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-8-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-19-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-26-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-15-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-9-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-27-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-38-0x00007FFA2EA00000-0x00007FFA2EA10000-memory.dmp

              memory/3324-48-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-5-0x00007FFA2E77A000-0x00007FFA2E77B000-memory.dmp

              memory/3324-3-0x0000000008510000-0x0000000008511000-memory.dmp

              memory/3324-6-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-39-0x00007FFA2E9F0000-0x00007FFA2EA00000-memory.dmp

              memory/3324-36-0x00000000084F0000-0x00000000084F7000-memory.dmp

              memory/3324-16-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/3324-28-0x0000000140000000-0x00000001401D9000-memory.dmp

              memory/4084-79-0x0000000140000000-0x00000001401DA000-memory.dmp

              memory/4084-76-0x00000179B3900000-0x00000179B3907000-memory.dmp

              memory/4344-63-0x0000000140000000-0x00000001401DA000-memory.dmp

              memory/4344-58-0x0000000140000000-0x00000001401DA000-memory.dmp

              memory/4344-60-0x0000028FA0B30000-0x0000028FA0B37000-memory.dmp