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, 00:16

General

  • Target

    7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c.exe

  • Size

    61KB

  • MD5

    e69a172830cb820693df6a5925dd90a3

  • SHA1

    74174acc18a1258f1e841f88862ff71d94b1e3ec

  • SHA256

    7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c

  • SHA512

    8a58c2c03e7b560b2fa5bbf4dde6a2f0de511e4090b1ba71aa608b7702b69b16eb58922a8271817611cb7ab948d9d962f4597939e7cc3cfca541fefc7bed70d8

  • SSDEEP

    768:qGHV45EDE477AZbUJx0rZGE3jCELoiMMj6hZ3nE+EXVmkDbjRL8Khc15Z6J1Sq:qG14P477AxUYrZGoC09k0SkTRHhWqPJ

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • 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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c.exe
    "C:\Users\Admin\AppData\Local\Temp\7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\bibug.exe "C:\Users\Admin\AppData\Local\Temp\7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • 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:2780
      • \??\c:\bibug.exe
        c:\bibug.exe "C:\Users\Admin\AppData\Local\Temp\7bbab99f1f11c62dd3c8812dd121f1379ce2d2be536ba1b09fc28055f3fac02c.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2684
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\dnbqfnrm\uauol.dll",init c:\bibug.exe
          4⤵
          • Blocklisted process makes network request
          • 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:2176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\bibug.exe

          Filesize

          61KB

          MD5

          d220a8c806a32eaedf8687157846ddc6

          SHA1

          8f58cee4e8d26332d2487136ab73aa72b246c390

          SHA256

          afc70f62819c2f764c9bd9ee88dab5048b8e3282e6bcde3b1a352a156a0f0e7f

          SHA512

          ecadf9df83717cf232cad8d81ec9a4b5cce3f8794c0a24d3fa205052e6ecc7a71da3fc4a5e4861b9f011e06e5246fbfb33e6d611a5020123b5336708c6d04f27

        • \??\c:\dnbqfnrm\uauol.dll

          Filesize

          42KB

          MD5

          36e3fb5964d663272cf1169e1e1ca478

          SHA1

          58115e08b49505bcbbb5c88a28a86222ba18d5d4

          SHA256

          c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7

          SHA512

          daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442

        • memory/2176-16-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2176-17-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2176-19-0x0000000010021000-0x0000000010022000-memory.dmp

          Filesize

          4KB

        • memory/2176-18-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2176-20-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2176-21-0x0000000010000000-0x000000001002E000-memory.dmp

          Filesize

          184KB

        • memory/2636-5-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2636-7-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/2684-8-0x00000000002E0000-0x00000000002E1000-memory.dmp

          Filesize

          4KB

        • memory/2684-10-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/3044-3-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB

        • memory/3044-1-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/3044-0-0x0000000000400000-0x0000000000425000-memory.dmp

          Filesize

          148KB