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Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2023, 04:43

General

  • Target

    gry.exe

  • Size

    989KB

  • MD5

    8a5311cd91c99c7c9e3c4074bad2ce24

  • SHA1

    bcd16d0fa152ba6c949d71c449fb7f04499ed974

  • SHA256

    e9e2ed140683ba8f499d3c79cc0737f6ef8533867749c0bd6a78fd61c2d4d7f7

  • SHA512

    1ac7ed75b3f250d6e2c8e35b006066a0cb7abe7d3dfec476139aefd0ee8fd06a20fc52efb794266bc9973d74366f10f8d05bf10fd852af77748292fa54802bb7

  • SSDEEP

    12288:nXe9PPlowWX0t6mOQwg1Qd15CcYk0We1RS+S1M9UYOIRIpk+TrJX8lSHxxssefa:OhloDX0XOf47W1o6RR6Va

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gry.exe
    "C:\Users\Admin\AppData\Local\Temp\gry.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks /create /tn AFTCJY.exe /tr C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe /sc minute /mo 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /tn AFTCJY.exe /tr C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe /sc minute /mo 1
        3⤵
        • Creates scheduled task(s)
        PID:1280
    • C:\Windows\SysWOW64\WSCript.exe
      WSCript C:\Users\Admin\AppData\Local\Temp\AFTCJY.vbs
      2⤵
        PID:4668
    • C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe
      C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe
      1⤵
      • Executes dropped EXE
      PID:1464
    • C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe
      C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe
      1⤵
      • Executes dropped EXE
      PID:2808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AFTCJY.vbs

      Filesize

      826B

      MD5

      6cbc3144de3e6783d7d4fd39b3214c2b

      SHA1

      d1699b28dd277f448d8e46123a929522a5f4c5fe

      SHA256

      a45e7187a8c4183e8248f71f1bccd6cc88ad902c6a4871d9c486be14b78727a0

      SHA512

      afaa124d1f7dd94a90d26e085d2264e30e4bfad7da04275298801343e35cbaf7d1567fee7f33db2c07568a5a3a85284fa10af9618accd519b8f7c56155e16377

    • C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe

      Filesize

      989KB

      MD5

      8a5311cd91c99c7c9e3c4074bad2ce24

      SHA1

      bcd16d0fa152ba6c949d71c449fb7f04499ed974

      SHA256

      e9e2ed140683ba8f499d3c79cc0737f6ef8533867749c0bd6a78fd61c2d4d7f7

      SHA512

      1ac7ed75b3f250d6e2c8e35b006066a0cb7abe7d3dfec476139aefd0ee8fd06a20fc52efb794266bc9973d74366f10f8d05bf10fd852af77748292fa54802bb7

    • C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe

      Filesize

      989KB

      MD5

      8a5311cd91c99c7c9e3c4074bad2ce24

      SHA1

      bcd16d0fa152ba6c949d71c449fb7f04499ed974

      SHA256

      e9e2ed140683ba8f499d3c79cc0737f6ef8533867749c0bd6a78fd61c2d4d7f7

      SHA512

      1ac7ed75b3f250d6e2c8e35b006066a0cb7abe7d3dfec476139aefd0ee8fd06a20fc52efb794266bc9973d74366f10f8d05bf10fd852af77748292fa54802bb7

    • C:\Users\Admin\AppData\Roaming\Windata\Microsoft-Office-2013-Word.exe

      Filesize

      989KB

      MD5

      8a5311cd91c99c7c9e3c4074bad2ce24

      SHA1

      bcd16d0fa152ba6c949d71c449fb7f04499ed974

      SHA256

      e9e2ed140683ba8f499d3c79cc0737f6ef8533867749c0bd6a78fd61c2d4d7f7

      SHA512

      1ac7ed75b3f250d6e2c8e35b006066a0cb7abe7d3dfec476139aefd0ee8fd06a20fc52efb794266bc9973d74366f10f8d05bf10fd852af77748292fa54802bb7

    • memory/1464-14-0x0000000000EC0000-0x00000000010DE000-memory.dmp

      Filesize

      2.1MB

    • memory/1464-12-0x0000000000EC0000-0x00000000010DE000-memory.dmp

      Filesize

      2.1MB

    • memory/2808-24-0x0000000000EC0000-0x00000000010DE000-memory.dmp

      Filesize

      2.1MB

    • memory/2808-23-0x0000000000EC0000-0x00000000010DE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-15-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-21-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-0-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-17-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-18-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-19-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-20-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-10-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-9-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-8-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-7-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-25-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-26-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-27-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB

    • memory/3060-28-0x00000000006A0000-0x00000000008BE000-memory.dmp

      Filesize

      2.1MB