Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 22:28

General

  • Target

    09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a.exe

  • Size

    198KB

  • MD5

    e131e4e26e89fb8bee844af439cf1afc

  • SHA1

    e3e8cca073ee2174831f7b09d47748331ffadef9

  • SHA256

    09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a

  • SHA512

    6f533bf2247ff4668a4b6e8d9b09d53feef62d9a3d50b1c8e5086ce78cee9e4a9d5197dfc796744aea96f85c8639262ee2ffadb800872a48268212af713cc9c0

  • 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\09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a.exe
    "C:\Users\Admin\AppData\Local\Temp\09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\gyfey.exe "C:\Users\Admin\AppData\Local\Temp\09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2784
      • 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:2748
      • C:\Users\Admin\AppData\Local\Temp\gyfey.exe
        C:\Users\Admin\AppData\Local\Temp\\gyfey.exe "C:\Users\Admin\AppData\Local\Temp\09f6b51ca13d8f61aafc0a581541c73b1f8035d7c65c34f1ab55a9794de84a0a.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:2552
        • \??\c:\Program Files\lixbm\wgx.exe
          "c:\Program Files\lixbm\wgx.exe" "c:\Program Files\lixbm\wgxbe.dll",Compliance C:\Users\Admin\AppData\Local\Temp\gyfey.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:2568

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \??\c:\Program Files\lixbm\wgxbe.dll

          Filesize

          141KB

          MD5

          3748448106fe30be72b206753318c18f

          SHA1

          0d8277175d3204a0484d5a0dcff3c09755c02f0f

          SHA256

          0bf3c4b607542ecb639529e59df0bd02df9c1b01ae3fda0c29a5e1d103499e73

          SHA512

          fc42d42788b0a649546f8f0fff6a541dedba577e261355fb453ef8e25c2e9b0454df011b0222608411bc676bb8233b277695ed1945cfaa5171597240c39f1c60

        • \Program Files\lixbm\wgx.exe

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

          Filesize

          198KB

          MD5

          c0cd69945b20cb806e478a90980dc985

          SHA1

          30e4f53276a33eb77ca95a9c73b6a7421a5d61f4

          SHA256

          504c78df9fdd15c4f8733372c76dcef9d6a8c593ac6bf5d9f25960b7a3c59bac

          SHA512

          dd4d40fbc15ebdc4a09967e3eaaaa97eb6b2bb9352faaaff0568b9461f554e0ee4a9b2f2bd1774b50183fdb78d2a200ea7f275904abea3ced891fc43914b0b33

        • memory/2552-19-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2552-10-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2552-11-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2568-26-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2568-27-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2568-30-0x0000000010000000-0x000000001004E000-memory.dmp

          Filesize

          312KB

        • memory/2688-4-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2688-2-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2688-0-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2688-1-0x0000000000400000-0x000000000044901D-memory.dmp

          Filesize

          292KB

        • memory/2784-7-0x00000000001A0000-0x00000000001EA000-memory.dmp

          Filesize

          296KB