Analysis

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

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 04:34

General

  • Target

    16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe

  • Size

    4.7MB

  • MD5

    4cb7798fbecc4204059ea65774535c07

  • SHA1

    13b5a5efd92375434c30bff55b9b6654105c1e36

  • SHA256

    16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867

  • SHA512

    4f5ce5bc0403a860749c3259a75339fcf6836dac1f2b6222d8a7c8c059ce0d00ec084852b605d82f164f9886a95b24e89663fee0544336643dfceebf347d207c

  • SSDEEP

    49152:cYREXSVMKi39PbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PL:l2SVMK89PbXsPN5kiQaZ56

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 6 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe
    "C:\Users\Admin\AppData\Local\Temp\16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1732
    • 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:2876
    • C:\Users\Admin\AppData\Local\Temp\HD_16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe
      C:\Users\Admin\AppData\Local\Temp\HD_16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe
      2⤵
      • Executes dropped EXE
      PID:2612
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2936
    • 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:2476
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259400287.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.7MB

      MD5

      2fa1f86aa2254bf9a0f74b2d70e52a37

      SHA1

      ab548c47e96ff4ab5ed0f11cb137dad8dd5f0b5f

      SHA256

      5396fe40fea9fb0d3e0e03ef8ce6f1d100f0e6c919d9dacefedc6441df1e33a3

      SHA512

      22d9c968a5ce7c2dbdcf45571db9c784ac75cc8a44bf09eea92a92bef8d09a43ff0a80018c6bebbb8b976f9bcae61041026fb0f4c1ffea89d028c8ccf6eb7963

    • \Users\Admin\AppData\Local\Temp\HD_16d78851abf55ad41ffe4e9059b6eb6b3fb6c41231f906c23b930e1103dd0867.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

      Filesize

      337KB

      MD5

      fb66e1e31fa1e6dfb21a50ccd11e0409

      SHA1

      6c45a0a115ec896eb14a531a44809b2a22cf8934

      SHA256

      5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

      SHA512

      58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

    • \Windows\SysWOW64\259400287.bat

      Filesize

      51KB

      MD5

      a162b5e040cd8e45143ca104ad999192

      SHA1

      59eabb2aad7b30d9ce46864ee47892c0e25ba85e

      SHA256

      b543d117f2098c0f5428e7ed1f735e1165a81ec6d3ffdf1acd8b97d59ecf4c76

      SHA512

      9e8ba898b90f69478894c10cfdc85110171b412b5a3285ce56b72f061c29b77b3e2b03663f60c7856d2f6f7f9a83c4b99b281eb19230221880fda587fd46c3f3

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d