Analysis

  • max time kernel
    109s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 01:27

General

  • Target

    eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe

  • Size

    368KB

  • MD5

    8abe17eb6af4673e7f67edc5f44ff5f0

  • SHA1

    ade3ad178d66f2216e69703bd09196c91de8b21f

  • SHA256

    eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9

  • SHA512

    43423c1e15cca744a5baba44332f201b832bda36e06f0598aa3e57c06ff0d34e7d21cd09e03f4683d1c6d983f8efb0697558ed664ecebde405cbd5cd3b49c19a

  • SSDEEP

    6144:5JgmYA/nVA9JATAoQSHBjQP/sC94mrJx2XtjXmK6cAQJNElb6dPURN5Fpg:3gmYA/n0eDBjQPphdxmj2LcAEmlb+UpE

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\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe
    "C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\eburj.exe "C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2740
      • 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:2800
      • C:\Users\Admin\AppData\Local\Temp\eburj.exe
        C:\Users\Admin\AppData\Local\Temp\\eburj.exe "C:\Users\Admin\AppData\Local\Temp\eb37275890d7c01f25670234b9b5a84ee4c1bc9aa5a0808fbed48d3675327ae9N.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:2888
        • \??\c:\Program Files\ojenhlnx\sruy.exe
          "c:\Program Files\ojenhlnx\sruy.exe" "c:\Program Files\ojenhlnx\sruyq.dll",Clean C:\Users\Admin\AppData\Local\Temp\eburj.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:1720

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\Program Files\ojenhlnx\sruyq.dll

          Filesize

          160KB

          MD5

          ec0280ba74e4f78ece9216706d8fbc2b

          SHA1

          ebdbcce6aa6b5fb8a3073c85e38529796b4dbff7

          SHA256

          ba1ff98a41c1f4d8182c051909ea89272c08eabc9d17a142d44de9546ea95259

          SHA512

          7d948ac9f833138c5e66e29d8697d60f53496ca6ce6ed6445d398fc944df67e590d574c748f1b591d3179eea27a360cb8b449d4f9125f61c269b6494d7a83c8b

        • \Program Files\ojenhlnx\sruy.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

          Filesize

          369KB

          MD5

          6b0cfa90ec0c55ae9e7c1cf1f896d56c

          SHA1

          3d7869aba1b2016c18ccaa5c73901fae94b1167d

          SHA256

          edb635314d194b4ea93f9c8abcae39cb48c54625f6fa7e9fa20269ca0287f979

          SHA512

          68f3526a821b21f27c7a0ec7b1760951e6859898f5627499d72bedfb682192038735f85a19885fab2357dc5d3fdcae96fe3d28880d739143df266b3e32de981a

        • memory/1720-23-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/1720-22-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/1720-17-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/1720-24-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/1720-26-0x0000000010000000-0x0000000010058000-memory.dmp

          Filesize

          352KB

        • memory/2132-0-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2132-2-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/2740-4-0x0000000000120000-0x000000000017D000-memory.dmp

          Filesize

          372KB

        • memory/2888-13-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB