Overview

overview

7

Static

static

5

21bd27fe68...1N.exe

windows7-x64

7

21bd27fe68...1N.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 20:10

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General

  • Target

    21bd27fe68483395d8b6759b062722d43c317c42be9b3e05eca3170d21a7c631N.exe

  • Size

    1.3MB

  • MD5

    e9de104c55102bd5d019c46908495850

  • SHA1

    cb4ec815c8f83c5124ba4ac2a3a84e61bcb584dd

  • SHA256

    21bd27fe68483395d8b6759b062722d43c317c42be9b3e05eca3170d21a7c631

  • SHA512

    4e0127337d55c9d3eb8df87042eb39543b448f31ca8b801a7e6fd16b80afe72b31926d329ba54ca541f512b0d5347aede2991621e711820c325ecc478f2eec73

  • SSDEEP

    24576:nAD3HRNtvJ2QY6ynjTdcpLmBtMs51aoflG4/iMtQkSNSFkeKvvvvLpphd7d8ddPQ:nkpBs5dlG4/i0QkSoeeKvvvvLpphd7dF

Score
7/10
discoverypersistenceupx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21bd27fe68483395d8b6759b062722d43c317c42be9b3e05eca3170d21a7c631N.exe
    "C:\Users\Admin\AppData\Local\Temp\21bd27fe68483395d8b6759b062722d43c317c42be9b3e05eca3170d21a7c631N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2212
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2976

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
          Filesize

          92B

          MD5

          0a09f354748324840a98a09a15172fb8

          SHA1

          41dc1d5cb5f99590ea7b83516be4ca616707932a

          SHA256

          31a81ee87f0c6987d56d48ccac000d92e2a4efdb6b2f84787e9ef420d9f91c7d

          SHA512

          f21a7c0f5f13285b5faa1fdaca04d15460d9b436eda4bb98a761bdb02b802f00c1c5727d84c97565891d317cd2dbc92ac370ecb8c248082a83a51558cd63bda8

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
          Filesize

          754B

          MD5

          f9479f9d39e7f70180b4e8444d6100b9

          SHA1

          78f12f15d299721a439f9631434ad94895c6be65

          SHA256

          081384b629c0f9cf93f98ccc538fd6731344398e8a12eadb0d66e71acdc1c982

          SHA512

          9402ad0a38cdcf4324e06d93ec7baaf8df56abd46adac76b8e63dcf22914d3fe4c81de36f816ebb287fcc86708a4720020b3347a176d2b98b68edfb195930dc2

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
          Filesize

          1.3MB

          MD5

          ba409d7704c0ae8df154163945314819

          SHA1

          985a68ccb93c947506ca792c3630f9b1f35c710f

          SHA256

          dbcc5976a94379ce01d0a11efbce63dc29d5d31bb25f73511fc170d6be46999f

          SHA512

          efe5ef48283393bb7d2b636e558e72736a33bc65cd2e294f16de856b310c874fe321b139ba721eb6223a4ef77b0cc4582c5fc1115aa2cfbe75037d31ace7879d

          Download Submit

        • memory/3120-0-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-17-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-20-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-23-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-27-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-30-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download

        • memory/3120-33-0x0000000000400000-0x000000000054E000-memory.dmp

          Filesize

          1.3MB

          Download