Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 11:21

General

  • Target

    228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe

  • Size

    4.5MB

  • MD5

    adaa233d89dd91884f591c90c3b9b735

  • SHA1

    2c3646edb530be765277b2cf9d64e6769d6b377f

  • SHA256

    228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f

  • SHA512

    5db95fe3a82d616d5a8721d77281f89618d5e92bfe0d6eb6a91aa0ea93ca1a8911ab52e0fb14f64b00ab65c92b362e31daa73caf21b6ee61a9391cfca3b2d3c8

  • SSDEEP

    49152:dYREXSVMDi3PabXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:y2SVMD8PabXsPN5kiQaZ56

Malware Config

Signatures

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe
    "C:\Users\Admin\AppData\Local\Temp\228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:4868
    • C:\Users\Admin\AppData\Local\Temp\HD_228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe
      2⤵
      • Executes dropped EXE
      PID:3364
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:1948
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\240602343.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_228badf283023ad84b51ce97207368a4688f4f3377a52f72dab70369ec13305f.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

    • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

      Filesize

      1.5MB

      MD5

      2cf80785b3e713f65b9130884ef5c4ad

      SHA1

      92fb8f4502ba217b809c1f6cfb7facd3dee2b993

      SHA256

      5dc95269997c7f8533e0cade1a782fc068f4c2df4bf793546f0ceaa8b0f48ccc

      SHA512

      3db89a320830adb3c992d4c750fb4b965ff08af744ced3ea4b4902aa9405b37e6fa78535ff0c8ea667539628389042594fe9b9cff4e8022fc1e1408854915bf0

    • C:\Users\Admin\AppData\Local\Temp\look2.exe

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • C:\Windows\SysWOW64\240602343.bat

      Filesize

      51KB

      MD5

      a2773eba06001a11095c038034a138c9

      SHA1

      5d20974f2bb255ca1d87b6131939b9b234036d16

      SHA256

      a319208cd723c18964976516592ac1f3673d2647f7dd25bbf08f5ad75e238e47

      SHA512

      d544c02b6757d169b7fbf4d95afd1281bae5edd8bac061a79cdcb13bdadf0b0e39e014c3fc62e4eae16ae006d0be1daa9738bcfbc9c18a1b3c69dd24669d3cec

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641