Analysis

  • max time kernel
    16s
  • max time network
    145s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    06/11/2024, 02:10

General

  • Target
    102924_5830760.exe
  • Size 810KB
  • Sample241106-clpkfsvram
  • SHA256 f392bfa146ad86308fa464a9505708645f99618d54483cbc6b746b656f26a3fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\102924_5830760.exe
    "C:\Users\Admin\AppData\Local\Temp\102924_5830760.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\102924_5830760.exe
      "C:\Users\Admin\AppData\Local\Temp\102924_5830760.exe"
      2⤵
        PID:2988

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsi739B.tmp\System.dll
          • Size 12KB
          • SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
          • MD5 SHA1 SHA512 SSDEEP

          primy.ini

          • Path C:\Windows\Resources\primy.ini
          • Size 33B
          • SHA256 1f7119996dd17af05bf05e497104715bbbc3909676afa4329fbd59502be1a1a5
          • MD5 SHA1 SHA512

          memory/896-23237-0x0000000003830000-0x00000000045E5000-memory.dmp

          memory/896-23238-0x00000000771A1000-0x00000000772C1000-memory.dmp

          memory/896-23239-0x0000000073E45000-0x0000000073E46000-memory.dmp

          memory/896-23240-0x0000000003830000-0x00000000045E5000-memory.dmp

          memory/2988-23248-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23252-0x00000000771A1000-0x00000000772C1000-memory.dmp

          memory/2988-23243-0x0000000077228000-0x0000000077229000-memory.dmp

          memory/2988-23244-0x0000000077245000-0x0000000077246000-memory.dmp

          memory/2988-23241-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23249-0x0000000000401000-0x0000000000404000-memory.dmp

          memory/2988-23250-0x0000000001660000-0x0000000002415000-memory.dmp

          memory/2988-23242-0x0000000001660000-0x0000000002415000-memory.dmp

          memory/2988-23251-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23253-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23254-0x0000000000401000-0x0000000000404000-memory.dmp

          memory/2988-23255-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23256-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23257-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23261-0x0000000000400000-0x0000000001653000-memory.dmp

          memory/2988-23262-0x0000000000401000-0x0000000000404000-memory.dmp