Analysis

  • max time kernel
    129s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2023, 00:05

General

  • Target
    NEAS.704f15ac6527fc797c3a8d8fd1475310_JC.exe
  • Size 80KB
  • Sample231024-adlsgshb6w
  • SHA256 4731acfb796fc4170b5399407e136a373988aa50426720bb39f1812d21538365
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Suspicious behavior: LoadsDriver 18 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.704f15ac6527fc797c3a8d8fd1475310_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.704f15ac6527fc797c3a8d8fd1475310_JC.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4536
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.thesexsquare.com/2/
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1400
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1400 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1620
    • C:\Windows\WgaDisp.exe
      "C:\Windows\WgaDisp.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://www.thesexsquare.com/2/
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3580
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3580 CREDAT:17410 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:4824
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_DelItH.bat" "
      2⤵
        PID:4768

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico
          • Size 4KB
          • SHA256 5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07
          • MD5 SHA1 SHA512 SSDEEP

          RecoveryStore.{25EE528A-7201-11EE-91E2-5A18E6D98FED}.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{25EE528A-7201-11EE-91E2-5A18E6D98FED}.dat
          • Size 4KB
          • SHA256 bfa14f224a3c9548daf2671521bd14a9be4a1d1e80e95bee2691a402e58637cd
          • MD5 SHA1 SHA512 SSDEEP

          RecoveryStore.{26088BC9-7201-11EE-91E2-5A18E6D98FED}.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{26088BC9-7201-11EE-91E2-5A18E6D98FED}.dat
          • Size 5KB
          • SHA256 684c2ae5a3a7cfe1a4c69990098499b35f495f3ee29821c0fc1a1c7291dafe92
          • MD5 SHA1 SHA512 SSDEEP

          verA9F7.tmp

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verA9F7.tmp
          • Size 15KB
          • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
          • MD5 SHA1 SHA512 SSDEEP

          suggestions[1].en-US

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K1QHLR0H\suggestions[1].en-US
          • Size 17KB
          • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
          • MD5 SHA1 SHA512 SSDEEP

          bWyuJTDeK[1].js

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UDS0USIU\bWyuJTDeK[1].js
          • Size 41KB
          • SHA256 14af559420f90026cb00073ec59893748cf2d989b0592db705c10741e3886612
          • MD5 SHA1 SHA512 SSDEEP

          Kno4BC9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Kno4BC9.tmp
          • Size 88KB
          • SHA256 1e2e25bf730ff20c89d57aa38f7f34be7690820e8279b20127d0014dd27b743f
          • MD5 SHA1 SHA512 SSDEEP

          _DelItH.bat

          • Path C:\Users\Admin\AppData\Local\Temp\_DelItH.bat
          • Size 247B
          • SHA256 266b1a40c182c6bd84042d6663f01da77dffca496dad90f13703d8648a919603
          • MD5 SHA1 SHA512

          WgaDisp.exe

          • Path C:\Windows\WgaDisp.exe
          • Size 80KB
          • SHA256 f7f180aff5d7963ae852694bab026b869c21f5aa3571fa4f7f17fdae79ade412
          • MD5 SHA1 SHA512 SSDEEP

          WgaDisp.exe

          • Path C:\Windows\WgaDisp.exe
          • Size 80KB
          • SHA256 f7f180aff5d7963ae852694bab026b869c21f5aa3571fa4f7f17fdae79ade412
          • MD5 SHA1 SHA512 SSDEEP

          WgaDisp.exe

          • Path C:\Windows\WgaDisp.exe
          • Size 80KB
          • SHA256 f7f180aff5d7963ae852694bab026b869c21f5aa3571fa4f7f17fdae79ade412
          • MD5 SHA1 SHA512 SSDEEP