Resubmissions

18/05/2024, 16:28

240518-tyx6ssce93 10

18/05/2024, 16:26

240518-txjxsacd96 10

18/05/2024, 16:25

240518-twx31scb7x 10

18/05/2024, 15:54

240518-tca45sbb3x 10

18/05/2024, 15:51

240518-tazpqabb82 10

Analysis

  • max time kernel
    66s
  • max time network
    72s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 15:54

General

  • Target

    VRThook Spoofer.exe

  • Size

    7.1MB

  • MD5

    dbe8d5a8ee46d6c8730745d7078d2bf7

  • SHA1

    6fb29e4c785bc721382096c1265311880a68d6df

  • SHA256

    9ddd4b094446a4932e71a3307c2a5210c8cb53be65d006840503c285d571e123

  • SHA512

    7209980c73bc1b2fbb499bab889dc0981baa719ec031bc98bbe093113b1fbf6aefe580f55978e5ab57ac13cf8538acaab0fe82a5318ac6074c1cb8bb5288e853

  • SSDEEP

    196608:A+6eX8TgXoZsXFo5C1o+eE59b5zBXVnTRW:A+PY2aI/v7bV

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Downloads MZ/PE file
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Windows\mapper.exe C:\Windows\driver.sys
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Windows\mapper.exe
        C:\Windows\mapper.exe C:\Windows\driver.sys
        3⤵
        • Sets service image path in registry
        • Executes dropped EXE
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        PID:3340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\mapper.exe

          Filesize

          121KB

          MD5

          00047e72bb99132267a4bec3158917a2

          SHA1

          caf72159dba3bf2af1e6f68cbcbbab7b981a4f0e

          SHA256

          e4f0fa3c70a4c20e7f79ac8e0c0c7b3e58e97a8e9d42274d51a54ebf9e8da5e4

          SHA512

          7f573d3a8a68a491c45009ce1beabc8280ccf50e10048b019146e28892c8bf3e90519721682dec5a53aa2c623af952c9957da3cf5338cded801fc7dedce99dc5

        • memory/5112-8-0x00000000057E0000-0x0000000005846000-memory.dmp

          Filesize

          408KB

        • memory/5112-10-0x00000000074D0000-0x000000000756C000-memory.dmp

          Filesize

          624KB

        • memory/5112-3-0x0000000005530000-0x00000000055C2000-memory.dmp

          Filesize

          584KB

        • memory/5112-4-0x00000000053A0000-0x00000000053B2000-memory.dmp

          Filesize

          72KB

        • memory/5112-5-0x0000000005440000-0x000000000544A000-memory.dmp

          Filesize

          40KB

        • memory/5112-6-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5112-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

          Filesize

          5.6MB

        • memory/5112-7-0x00000000056C0000-0x00000000057DA000-memory.dmp

          Filesize

          1.1MB

        • memory/5112-9-0x0000000006090000-0x00000000062A4000-memory.dmp

          Filesize

          2.1MB

        • memory/5112-0-0x000000007495E000-0x000000007495F000-memory.dmp

          Filesize

          4KB

        • memory/5112-11-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5112-13-0x0000000009400000-0x000000000943C000-memory.dmp

          Filesize

          240KB

        • memory/5112-14-0x000000007495E000-0x000000007495F000-memory.dmp

          Filesize

          4KB

        • memory/5112-15-0x0000000074950000-0x0000000075100000-memory.dmp

          Filesize

          7.7MB

        • memory/5112-17-0x0000000009E10000-0x0000000009E8C000-memory.dmp

          Filesize

          496KB

        • memory/5112-1-0x0000000000300000-0x0000000000A1E000-memory.dmp

          Filesize

          7.1MB