Analysis

  • max time kernel
    184s
  • max time network
    209s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2024, 10:48

General

  • Target

    a632a39ffdce2f2de984c6992d188986exe.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 6 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\a632a39ffdce2f2de984c6992d188986exe.exe
    "C:\Users\Admin\AppData\Local\Temp\a632a39ffdce2f2de984c6992d188986exe.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:2084
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "PCI Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2971.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2628
    • C:\Windows\system32\schtasks.exe
      "schtasks.exe" /create /f /tn "PCI Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp50B0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2568

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp2971.tmp

          Filesize

          1KB

          MD5

          476c6c8093867de65de595366be3af7f

          SHA1

          ce589448fefb0f8f2b8a12e53268950dfcd74260

          SHA256

          6ac541e13827e456a1655a0d7d7a0ced95e80c9b21c531cd835cf533ba1445cf

          SHA512

          79026709ab928ca9a48c8233bdc44d45897445dc883fac224e0de260fe3bbbf77fb501e831f0a941fb736e2d974a86a59b12ab0f4fc250eecc81905bcaeaca4e

        • memory/2084-26-0x000000001B060000-0x000000001B08E000-memory.dmp

          Filesize

          184KB

        • memory/2084-15-0x00000000003F0000-0x0000000000402000-memory.dmp

          Filesize

          72KB

        • memory/2084-1-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-2-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-29-0x000000001BE90000-0x000000001BF90000-memory.dmp

          Filesize

          1024KB

        • memory/2084-13-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-12-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-11-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-14-0x0000000000CE0000-0x0000000000CEA000-memory.dmp

          Filesize

          40KB

        • memory/2084-16-0x000000001AE30000-0x000000001AE4A000-memory.dmp

          Filesize

          104KB

        • memory/2084-18-0x0000000000AD0000-0x0000000000ADE000-memory.dmp

          Filesize

          56KB

        • memory/2084-24-0x000000001B040000-0x000000001B05E000-memory.dmp

          Filesize

          120KB

        • memory/2084-3-0x000007FEF5670000-0x000007FEF600D000-memory.dmp

          Filesize

          9.6MB

        • memory/2084-25-0x0000000000420000-0x000000000042A000-memory.dmp

          Filesize

          40KB

        • memory/2084-9-0x000007FEF5670000-0x000007FEF600D000-memory.dmp

          Filesize

          9.6MB

        • memory/2084-28-0x000007FEF5670000-0x000007FEF600D000-memory.dmp

          Filesize

          9.6MB

        • memory/2084-27-0x000000001B090000-0x000000001B0A4000-memory.dmp

          Filesize

          80KB

        • memory/2084-23-0x000000001B030000-0x000000001B03E000-memory.dmp

          Filesize

          56KB

        • memory/2084-22-0x000000001B020000-0x000000001B034000-memory.dmp

          Filesize

          80KB

        • memory/2084-21-0x000000001B010000-0x000000001B020000-memory.dmp

          Filesize

          64KB

        • memory/2084-20-0x000000001B000000-0x000000001B014000-memory.dmp

          Filesize

          80KB

        • memory/2084-19-0x0000000000CF0000-0x0000000000CFC000-memory.dmp

          Filesize

          48KB

        • memory/2084-17-0x0000000000AC0000-0x0000000000ACE000-memory.dmp

          Filesize

          56KB

        • memory/2084-0-0x000007FEF5670000-0x000007FEF600D000-memory.dmp

          Filesize

          9.6MB

        • memory/2084-30-0x000000001BE90000-0x000000001BF90000-memory.dmp

          Filesize

          1024KB

        • memory/2084-31-0x0000000000B60000-0x0000000000BE0000-memory.dmp

          Filesize

          512KB

        • memory/2084-32-0x000000001BE90000-0x000000001BF90000-memory.dmp

          Filesize

          1024KB

        • memory/2084-33-0x000000001BE90000-0x000000001BF90000-memory.dmp

          Filesize

          1024KB