Analysis

  • max time kernel
    142s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 00:29

General

  • Target

    c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe

  • Size

    198KB

  • MD5

    6ba203318b1787f7b4cd59c4caae3fab

  • SHA1

    47217d03eacd6e5636f081129270a80cb64624b2

  • SHA256

    c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3

  • SHA512

    647b8c8e7466e02568499d07171608aede7f80dc09f2c8238a2616c7022e42dfc7ec779f104bb7773b49099b86e6c8f36db553f5138452271f98ccfe3dbcf85b

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe
    "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xwrfazzpz.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2020
      • C:\Users\Admin\AppData\Local\Temp\xwrfazzpz.exe
        C:\Users\Admin\AppData\Local\Temp\\xwrfazzpz.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2936
        • \??\c:\Program Files\qwcle\mqc.exe
          "c:\Program Files\qwcle\mqc.exe" "c:\Program Files\qwcle\mqcbj.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xwrfazzpz.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1596

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\qwcle\mqc.exe

          Filesize

          60KB

          MD5

          889b99c52a60dd49227c5e485a016679

          SHA1

          8fa889e456aa646a4d0a4349977430ce5fa5e2d7

          SHA256

          6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

          SHA512

          08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

        • C:\Users\Admin\AppData\Local\Temp\xwrfazzpz.exe

          Filesize

          198KB

          MD5

          0c197fea820933fbf87243d19084f80e

          SHA1

          ff41247424fabb23dbb44fc51f1b9fff3e8b4f77

          SHA256

          7807942bf5097f1f4b69a9930e032cad1c12d143de8c7a182b7c53ab6e23481e

          SHA512

          b87bd5df46478662117970739bd407be3fb4ca3d14881c80f661c985e6d60d17d016d9dc2658e2566fe9f13e27077ee6d21da04e76a5785e9006b6f64f7db8a7

        • \??\c:\Program Files\qwcle\mqcbj.dll

          Filesize

          141KB

          MD5

          33050bfc48cd3a9dac5a73a435271bbf

          SHA1

          1d752d71cef529743198c016a87aa63612939eff

          SHA256

          28074ff953182622099a002cb927d3a922e319357a6cc128fa1c2d940d89ff64

          SHA512

          393353684f9e63f1ade2ef47819a469cb9cb079e5f51a569d242d1ca300d9b6fbd201b2786ca22ecfcebbd91c4332fe42076447e04c1e2fd38c46b47157cdd30

        • memory/896-4-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/896-0-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/896-2-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/896-1-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/1596-19-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/1596-20-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/1596-23-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2936-8-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2936-9-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2936-15-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB