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Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/03/2024, 18:49

General

  • Target

    b56af89e00c588d0f807fcdcdab80cdf.exe

  • Size

    416KB

  • MD5

    b56af89e00c588d0f807fcdcdab80cdf

  • SHA1

    f25aacf61b478f056119f4d10cca74a5d6ff6462

  • SHA256

    5960253ae6a1fc106096740cc06205816c81f7a38569988a67d7eb7a9536c33f

  • SHA512

    12913b95e6cc81a00871cae56c99c39231c87122dc620fe0988c648563c6027f22ed72e9353d0767c285c82b92773dc053b97d15e9c0695d706b48ed73f3d476

  • SSDEEP

    12288:U9iEGOh63LY9AWp3tQYDJi0BHk++++FN++z+C/LZQ:Fmhd9ZpiXIk++++FN++z+u

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 16 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b56af89e00c588d0f807fcdcdab80cdf.exe
    "C:\Users\Admin\AppData\Local\Temp\b56af89e00c588d0f807fcdcdab80cdf.exe"
    1⤵
    • Modifies firewall policy service
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\WINDOWS\juca.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall set notifications Disable
        3⤵
        • Modifies Windows Firewall
        PID:1572
      • C:\Windows\SysWOW64\sc.exe
        sc stop SharedAccess
        3⤵
        • Launches sc.exe
        PID:2640
      • C:\Windows\SysWOW64\sc.exe
        sc config SharedAccess start= disabled
        3⤵
        • Launches sc.exe
        PID:2668
      • C:\Windows\SysWOW64\sc.exe
        sc stop wuauserv
        3⤵
        • Launches sc.exe
        PID:2560
      • C:\Windows\SysWOW64\sc.exe
        sc config SharedAccess start= disabled
        3⤵
        • Launches sc.exe
        PID:2552
      • C:\Windows\SysWOW64\sc.exe
        sc stop wscsvc
        3⤵
        • Launches sc.exe
        PID:2812
      • C:\Windows\SysWOW64\sc.exe
        sc config wscsvc start= disabled
        3⤵
        • Launches sc.exe
        PID:2276
    • C:\WINDOWS\msagent\agtintl\update.exe
      C:\WINDOWS\msagent\agtintl\update.exe
      2⤵
      • Modifies firewall policy service
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    5d0555dca64fc76a916fa3be419c7f0d

    SHA1

    2091de1be68cece55419f811460560d6e7e3e16c

    SHA256

    76bf86f93698b6be90b4f33280f8d9b709fe69bb449966176c462238f6bbf154

    SHA512

    2c0ab571f0f9a00e262f396a74460be08c271a6d59c91c587cad7b3ec9d240af29cfe1823c23fbadd486ddcdbfdea54d87fb6a5384e7101f5343a64bc890c449

  • C:\Users\Admin\AppData\Local\Temp\Tar6771.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • C:\Windows\juca.bat

    Filesize

    223B

    MD5

    1604ad01e735f096a9494f3d1590865e

    SHA1

    8894a9efeb44f1c1af4bc09c7d13b19718edfc16

    SHA256

    d40c23e8e65973f2c387e268a0ac7dd3a4358f724cbe3aa51e1fb05c8a837dcf

    SHA512

    58cfb7cb142d0507990f7e60d2cb83eb0395466feba2985569189ea1b62063cd261647a002fcc89af423a12a6ea498735a0887f19498129d7e257e71e289819c

  • \Windows\msagent\agtintl\update.exe

    Filesize

    416KB

    MD5

    b56af89e00c588d0f807fcdcdab80cdf

    SHA1

    f25aacf61b478f056119f4d10cca74a5d6ff6462

    SHA256

    5960253ae6a1fc106096740cc06205816c81f7a38569988a67d7eb7a9536c33f

    SHA512

    12913b95e6cc81a00871cae56c99c39231c87122dc620fe0988c648563c6027f22ed72e9353d0767c285c82b92773dc053b97d15e9c0695d706b48ed73f3d476

  • memory/2108-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2108-18-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/2648-161-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/2648-162-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB