Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 19:48

General

  • Target

    82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe

  • Size

    4.9MB

  • MD5

    2ce9dc3d3961dfe8ae1bf49c0e8df0e1

  • SHA1

    16b61dfba4e9240f3b183502a14a719e488e0f19

  • SHA256

    82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0

  • SHA512

    b70372a62bc12d08a697602d580c0cf63ebd4d533fa7c199375acd9e756ded5654d8a90cddf9e6fad61234b94e2c5922557da6a836c1056a85d512837468e5b8

  • SSDEEP

    49152:3YREXSVMDi3pbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:o2SVMD8pbXsPN5kiQaZ56

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\82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe
    "C:\Users\Admin\AppData\Local\Temp\82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:2504
    • C:\Users\Admin\AppData\Local\Temp\HD_82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe
      C:\Users\Admin\AppData\Local\Temp\HD_82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe
      2⤵
      • Executes dropped EXE
      PID:2620
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2632
    • 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:2640
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259425388.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.8MB

      MD5

      bdb8620ef1c56cf7047e03e1061d2add

      SHA1

      919f24de805fbffc2f08510874b80aff7352d0a4

      SHA256

      66568db3776a44f33202e54588112c694cb1919fba28ae10cf339855d25a3ce5

      SHA512

      b1d45bda05f651cce9a69fb263a33c874eee2c5a14f71db18c991042a2a91a2054d8c49f3293b7fbb8b774f3e96f4a8135b140650444fa277a43859e89d97384

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Users\Admin\AppData\Local\Temp\HD_82c4279959201fe4bf5562c764d870452da0cc33fe6bd3cf6b440161809e86a0.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

    • \Windows\SysWOW64\259425388.bat

      Filesize

      51KB

      MD5

      2b3c4f584dd9f6cc4d81fc74a472d9de

      SHA1

      180a8017d34d7aec9492484b9b3a84e53751ed24

      SHA256

      ba1c3aeafcdd4ff2945adee4ec50c4666d0d618de6bf0a5f64539ea55299e06f

      SHA512

      aa108dbe4fc8e7ebc70e21b4788aa33ea04d35eb813309284ad1ae62079a59a4aabd678ecde3e7c88cae3c1dae416f3dc5cf11469546810a8f54eeea4662a460

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d