Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 06:50

General

  • Target

    2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe

  • Size

    3.6MB

  • MD5

    9c666bb4769d6485707b3ba994cddc3e

  • SHA1

    59135d9714b2bfa4aab38f8a5607cf1c1339e8c3

  • SHA256

    2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1

  • SHA512

    4045e39f4c630ed59aca594d969a4e2f103fdc723316232d67cbe7bb30acebc90d1d8881200bf29b078a7f4567b6f8a49ef1df1e8ab4136d41ffa68761cf837c

  • SSDEEP

    49152:TYREXSVMDi3FFT5yCO95xIzWAL/4EfZ4ZYcWf0dwTwgr6dup:c2SVMD8Fp5VL/4EkWf0dw1r6dup

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 8 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 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe
    "C:\Users\Admin\AppData\Local\Temp\2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1368
    • 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:2888
    • C:\Users\Admin\AppData\Local\Temp\HD_2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe
      C:\Users\Admin\AppData\Local\Temp\HD_2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2628
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:1396
    • 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:2828
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259426636.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2512

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.3MB

      MD5

      c6993035b912e575ff3f153811864d29

      SHA1

      d0b053bb76839b94c89eef96d5bef7f2f4949e62

      SHA256

      ea22fe5a4ec49f5aed41a19ae933bb7c17cb3af088cf50778fe99944b3b3f584

      SHA512

      2e3c2fd4d6228a33633913c2f528e5f9e58f32c3d6a2ae0cc490e6bf95603139e1493deb57233552c381ca276ff9bfd8bf13ad8ed595b2c07a6973c405d98008

    • \Users\Admin\AppData\Local\Temp\HD_2290e49cb4f0baca2224515eb98da13020a1908a383568b8143b15f22ab585b1.exe
      Filesize

      2.3MB

      MD5

      b76d8d428ecc159493b25b2229eeafaf

      SHA1

      3a9c5ce0f514a14ef660333ada0d6e1f6ada185f

      SHA256

      d96755fbaf0964523687c61be03fac93444c35c62ba9ad7b6551c3799ca6856f

      SHA512

      f5f5be87992e984e85db4299da8a3d0976513ab229569eddf69971c3978a14934f54723135310bfa60807b86c4fda0323019394b0a3f974879df75ea9b1f21d1

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

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259426636.bat
      Filesize

      51KB

      MD5

      9def052dde91f2ee110dfea508db0b7a

      SHA1

      bdd732aea2ced1137e9f228b274e04ef19f8aa05

      SHA256

      72837a817291614e84ddfa9a73990b82d228ca75b06510047619e30f9b4789db

      SHA512

      43df2d605bacc1afe6e659fdda7882eef5a4b56eda8a84d270a59a5edd9dc0f1ee8a30b811d2a8660baba3f8a54875c4d893d584ed4834ef8e242a7e15e8640c

    • \Windows\SysWOW64\svchcst.exe
      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2628-40-0x0000000000400000-0x00000000004F5000-memory.dmp
      Filesize

      980KB