Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 14:18

General

  • Target
    9f124cc051efd9492f53488f2a60642d552900fb0f70f465e520fee11d60b481.exe
  • Size 174KB
  • Sample240417-rmkefsda4s
  • SHA256 9f124cc051efd9492f53488f2a60642d552900fb0f70f465e520fee11d60b481
  • MD5 SHA1 SHA512 SSDEEP

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
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f124cc051efd9492f53488f2a60642d552900fb0f70f465e520fee11d60b481.exe
    "C:\Users\Admin\AppData\Local\Temp\9f124cc051efd9492f53488f2a60642d552900fb0f70f465e520fee11d60b481.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6BED.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2056
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6DE1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2620

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        tmp6BED.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp6BED.tmp
        • Size 1KB
        • SHA256 0d366c6f30cd32934142419d2f7cf9601348bc8383775738370a2fea97a024e6
        • MD5 SHA1 SHA512

        tmp6DE1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp6DE1.tmp
        • Size 1KB
        • SHA256 7a8e4ca799b470aad149653472d9442aa5815204c04cbbf0fba0d3052b6bd09c
        • MD5 SHA1 SHA512

        memory/1784-3-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

        memory/1784-0-0x0000000000630000-0x0000000000668000-memory.dmp

        memory/1784-5-0x00000000020D0000-0x0000000002150000-memory.dmp

        memory/1784-2-0x00000000020D0000-0x0000000002150000-memory.dmp

        memory/1784-1-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

        memory/1784-12-0x00000000020D0000-0x0000000002150000-memory.dmp

        memory/1784-13-0x0000000000940000-0x000000000094A000-memory.dmp

        memory/1784-14-0x0000000000920000-0x000000000093E000-memory.dmp

        memory/1784-15-0x0000000000290000-0x000000000029A000-memory.dmp

        memory/1784-16-0x00000000020D0000-0x0000000002150000-memory.dmp

        memory/1784-17-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

        memory/1784-18-0x000007FEF58F0000-0x000007FEF628D000-memory.dmp

        memory/1784-19-0x00000000020D0000-0x0000000002150000-memory.dmp