Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 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:2852
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pgchzdi.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1936
      • 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:2904
      • C:\Users\Admin\AppData\Local\Temp\pgchzdi.exe
        C:\Users\Admin\AppData\Local\Temp\\pgchzdi.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2236
        • \??\c:\Program Files\tuzyssdoo\hazmysg.exe
          "c:\Program Files\tuzyssdoo\hazmysg.exe" "c:\Program Files\tuzyssdoo\hazmysg.dll",Compliance C:\Users\Admin\AppData\Local\Temp\pgchzdi.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:2636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\Program Files\tuzyssdoo\hazmysg.dll

          Filesize

          141KB

          MD5

          75821e8eb1cb1240b6cdb45a574f8858

          SHA1

          4f52ba5f7e55e9e93fe3c6f201c1394b9842ebad

          SHA256

          683ba9edb27ba1031459b33e3c7d9df66bcac935f44a64fac8f1b866dffdce24

          SHA512

          71c8521bb5f0f2a37fa677c09e871ad6fc50a27d3a27c2eb7d9f9748166b136a7e8435bef1264f88ee20e0966649594e49470b802558fc4f3ddb414e688a70d4

        • \Program Files\tuzyssdoo\hazmysg.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

        • \Users\Admin\AppData\Local\Temp\pgchzdi.exe

          Filesize

          198KB

          MD5

          f9ec7582f238072ab6b14a40a779275a

          SHA1

          9b69ac8e6eef60ff058df8dd8473a4d375822ad6

          SHA256

          e546cf13e9a426a88490d1ca826b62bbba5a587454df363aa223f1688b4ec4d7

          SHA512

          b01c592fbe8523391161720fc70853e562db662223b1ec23ca2f477fde0804b7640840283b161e7cf6b965d32123fd776f5e123efe1e169e89fdd0bd37be0e52

        • memory/1936-9-0x0000000000290000-0x00000000002DA000-memory.dmp

          Filesize

          296KB

        • memory/1936-8-0x0000000000290000-0x00000000002DA000-memory.dmp

          Filesize

          296KB

        • memory/2236-13-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2236-11-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2236-12-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2236-21-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2636-28-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2636-29-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2636-32-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2852-0-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2852-4-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2852-1-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2852-2-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB