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Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 21:16

General

  • Target

    43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe

  • Size

    1.6MB

  • MD5

    5b7378b2d7067b19d0b81c1a46f92462

  • SHA1

    38045ff70d5cf3f718f09f5af17294995f17b4f5

  • SHA256

    43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5

  • SHA512

    54c706af377ad61468551650cf9e5f3f75510844e10625c5a89ad853b1a60ce513cbbff4d25d1c0a1fd6e73df5cdd3eefbfc95288153f61f41bcf5d25c274a17

  • SSDEEP

    24576:EYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnMyzy+SD:EYREXSVMDi37I

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 2 IoCs
  • Loads dropped DLL 5 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe
    "C:\Users\Admin\AppData\Local\Temp\43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • 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:2088
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2592
    • 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:2500
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259395061.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.6MB

      MD5

      5b7378b2d7067b19d0b81c1a46f92462

      SHA1

      38045ff70d5cf3f718f09f5af17294995f17b4f5

      SHA256

      43ba1ca256951b07136f61c080529ebef8b32202af905db29eea97266ee667b5

      SHA512

      54c706af377ad61468551650cf9e5f3f75510844e10625c5a89ad853b1a60ce513cbbff4d25d1c0a1fd6e73df5cdd3eefbfc95288153f61f41bcf5d25c274a17

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259395061.bat

      Filesize

      51KB

      MD5

      af5759007e2a8ae88d845107b50b4122

      SHA1

      1fc6738f72c2111cca4a86a8b8cf34c9a82adc79

      SHA256

      5178f2f10020e274d5614c2d0d53aa50d8ceecd6c8c247afad4f9947a00121a4

      SHA512

      c611a656ae1d3b2487c6301b9ae08df99e6655e380b2906c91787aa107461620475b51ec0e8e19c9873c052616fa08f799bddae07c06616fd09db4b5d0342304

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d