Analysis

  • max time kernel
    122s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2024, 08:03

General

  • Target

    a632a39ffdce2f2de984c6992d188986.exe

  • Size

    533KB

  • MD5

    a632a39ffdce2f2de984c6992d188986

  • SHA1

    7a1bb8fea06c819b7e575f9ef431af09151837eb

  • SHA256

    6800905847788c228e211fd1086dad6a20aa745d1351c0bd43d5f89aa58b1c9e

  • SHA512

    a7a6f0bc2448f3222652882893c9b14e21f073dce0dc0509c534bd0e1219a8860278be485a1b41333f7b9dc969431aacd54701f4ca7eb9d615ffdf192452244b

  • SSDEEP

    12288:HLV6Btpmklh0YDwhTOSq5nyxUnfMgE9Pb/ji7u8LW:rApflh0Ik5vanhI/ku86

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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\a632a39ffdce2f2de984c6992d188986.exe
    "C:\Users\Admin\AppData\Local\Temp\a632a39ffdce2f2de984c6992d188986.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:2812
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9E33.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2336
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "WPA Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA056.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp9E33.tmp

          Filesize

          1KB

          MD5

          029e60b39959bba895979975e33b96a5

          SHA1

          ebd492c14ffb3733d315adc7378175a4de8d4104

          SHA256

          037de60417e4d3866d82505a021651fd8101ad0c4270e86a1cc3c272dde08196

          SHA512

          8977daaa0da4713c3802562402731d201c063385cd86728e81528a4b419f8a8302f6408e53906b69ebace2fc83b5567c2a6b6cf25958b3f73db3874909ef82bd

        • C:\Users\Admin\AppData\Local\Temp\tmpA056.tmp

          Filesize

          1KB

          MD5

          546376acefe53162f600524f73ae4e6c

          SHA1

          817001ca7e3fe592e5a4301e1a95f6019d092dfd

          SHA256

          d2d2f5a4da729ce0e02db5483bb54b8c2fbf488de0cedef5957fe1b8370020f7

          SHA512

          ac98042908340be1e369cdbd7474497a7673fceeba71454fd1a54f8ab3b460784552d38724fcf8e2ff51a68b09e7f9954a1426ac6bdfdf5dee385fd8345503f1

        • memory/2812-21-0x0000000000B90000-0x0000000000BA4000-memory.dmp

          Filesize

          80KB

        • memory/2812-31-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

          Filesize

          9.6MB

        • memory/2812-2-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

          Filesize

          9.6MB

        • memory/2812-1-0x0000000000A40000-0x0000000000AC0000-memory.dmp

          Filesize

          512KB

        • memory/2812-13-0x0000000000A30000-0x0000000000A3A000-memory.dmp

          Filesize

          40KB

        • memory/2812-12-0x0000000000A40000-0x0000000000AC0000-memory.dmp

          Filesize

          512KB

        • memory/2812-11-0x0000000000A40000-0x0000000000AC0000-memory.dmp

          Filesize

          512KB

        • memory/2812-15-0x0000000000B40000-0x0000000000B5A000-memory.dmp

          Filesize

          104KB

        • memory/2812-20-0x0000000000B70000-0x0000000000B80000-memory.dmp

          Filesize

          64KB

        • memory/2812-23-0x0000000002360000-0x000000000237E000-memory.dmp

          Filesize

          120KB

        • memory/2812-22-0x0000000000BA0000-0x0000000000BAE000-memory.dmp

          Filesize

          56KB

        • memory/2812-24-0x0000000000260000-0x000000000026A000-memory.dmp

          Filesize

          40KB

        • memory/2812-3-0x0000000000A40000-0x0000000000AC0000-memory.dmp

          Filesize

          512KB

        • memory/2812-0-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

          Filesize

          9.6MB

        • memory/2812-26-0x000000001B6B0000-0x000000001B7B0000-memory.dmp

          Filesize

          1024KB

        • memory/2812-17-0x00000000009C0000-0x00000000009CE000-memory.dmp

          Filesize

          56KB

        • memory/2812-16-0x0000000000550000-0x000000000055E000-memory.dmp

          Filesize

          56KB

        • memory/2812-14-0x0000000000540000-0x0000000000552000-memory.dmp

          Filesize

          72KB

        • memory/2812-18-0x0000000000B20000-0x0000000000B2C000-memory.dmp

          Filesize

          48KB

        • memory/2812-25-0x0000000002380000-0x00000000023AE000-memory.dmp

          Filesize

          184KB

        • memory/2812-27-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

          Filesize

          80KB

        • memory/2812-28-0x000000001B6B0000-0x000000001B7B0000-memory.dmp

          Filesize

          1024KB

        • memory/2812-19-0x0000000000B60000-0x0000000000B74000-memory.dmp

          Filesize

          80KB

        • memory/2812-32-0x0000000000A40000-0x0000000000AC0000-memory.dmp

          Filesize

          512KB

        • memory/2812-33-0x000007FEF5B90000-0x000007FEF652D000-memory.dmp

          Filesize

          9.6MB

        • memory/2812-34-0x000000001B6B0000-0x000000001B7B0000-memory.dmp

          Filesize

          1024KB