Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 23:30

General

  • Target

    390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc.exe

  • Size

    1.5MB

  • MD5

    e9221c36b250f8ecd2d247a8f740477e

  • SHA1

    82033ca2584af234eda65a6abceb3643f1653944

  • SHA256

    390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc

  • SHA512

    88b7240b1c199fac44ec260190b7b945b2951b0db31b84302f3c1c474c729b55e2d2856935fa72a215445f631b179aeeb9adff95282df0a8931801d77d56e96c

  • SSDEEP

    24576:rYFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyzHSO3:rYREXSVMDi3bI

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\390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc.exe
    "C:\Users\Admin\AppData\Local\Temp\390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • 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:2844
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2356
    • 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:2216
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259400069.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.5MB

      MD5

      e9221c36b250f8ecd2d247a8f740477e

      SHA1

      82033ca2584af234eda65a6abceb3643f1653944

      SHA256

      390104384031fed8d9985485f8dfdd49ba822cfd164b4e65ebb039eb472a91cc

      SHA512

      88b7240b1c199fac44ec260190b7b945b2951b0db31b84302f3c1c474c729b55e2d2856935fa72a215445f631b179aeeb9adff95282df0a8931801d77d56e96c

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259400069.bat

      Filesize

      51KB

      MD5

      33dedc0ae8ee505d1757eaa79e29a4b7

      SHA1

      2d0a75a3a76da43a52a66ae28a444cacb44eb2cd

      SHA256

      c86afd8e00fd0c7632fa533f61f5dd3931a30203810a6de654e876da249c59d1

      SHA512

      e2dce26a1d5577b6e3a78e56444e3e68732888a4d749ee02a24c4c8e950a9321c3db78c24fea00a044e2c9018e69092f1ddb690f1399a7b188bc10a6fd68dea4

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d