Analysis

  • max time kernel
    146s
  • max time network
    137s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-09-2024 17:58

General

  • Target

    loader.exe

  • Size

    202KB

  • MD5

    0da267a9dcd9d54b8c7edd04bd4ecdf3

  • SHA1

    c4ec11624a9ba832cc62b05734134fd904da5b5d

  • SHA256

    32b4b4f6c49a3a6b8cc970adfe3533b09de4674fba47de82808eb46c8b4b5145

  • SHA512

    2aa19300bcdfb45aa9917fc5d4c7e269c3ea5f2fa0a3978728e17ce14b7a80094fc5dd4b0e2fe6425335982005c07cb8cd0016ba10fe1c4f9021cda0548ec60f

  • SSDEEP

    3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIIcfO32vT/T6BQ1bxjOhdiinvh:gLV6Bta6dtJmakIM5+fO32vTj19B+H

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3244
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3244-0-0x0000000075111000-0x0000000075112000-memory.dmp

      Filesize

      4KB

    • memory/3244-1-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB

    • memory/3244-2-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB

    • memory/3244-5-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB

    • memory/3244-6-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB

    • memory/3244-7-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB

    • memory/3244-8-0x0000000075110000-0x00000000756C1000-memory.dmp

      Filesize

      5.7MB