Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 22:18

General

  • Target

    123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe

  • Size

    4.6MB

  • MD5

    45d846f648b7a5c88d0f17063b902f94

  • SHA1

    4b7639ab71e2e144cd1ee09bf551406c5283f89a

  • SHA256

    123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a

  • SHA512

    1a875ab4c3ea2e69340a91d2944aa866a38f43537740dfd576e4afc34d6e8c2fcaf8e8439cc64d78a79159fde3de564026286e48758ee3022a21ea8542f36b8f

  • SSDEEP

    49152:4YREXSVMDi3aTtf5ObXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnG:52SVMD8aTtf5ObXsPN5kiQaZ56

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\123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe
    "C:\Users\Admin\AppData\Local\Temp\123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • 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:2356
    • C:\Users\Admin\AppData\Local\Temp\HD_123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe
      C:\Users\Admin\AppData\Local\Temp\HD_123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe
      2⤵
      • Executes dropped EXE
      PID:2564
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:3024
    • 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:2264
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259427525.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2460

    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

      64176a2ac8528eb16c7b52f83e510d7e

      SHA1

      9f5e4d2c128fadac947ce94934e58ae33071822e

      SHA256

      46250902da1fc8d57c906d21b751fd6567abb63c0c3c13197f6c5b6cdcaed147

      SHA512

      749a0b647009aa6edbcb6875c317e90ade2e2db1a321c752fcd4e9c6162b0e763bfbcf000b0067531a3a0cdef2ef311aae608d528ff6e8514986290253301d41

    • \Users\Admin\AppData\Local\Temp\HD_123aa7e9989c92f8f0960b8adb3f2a43804fb9ff61b2c509680eceafa2f7361a.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

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

      Filesize

      337KB

      MD5

      2f3b6f16e33e28ad75f3fdaef2567807

      SHA1

      85e907340faf1edfc9210db85a04abd43d21b741

      SHA256

      86492ebf2d6f471a5ee92977318d099b3ea86175b5b7ae522237ae01d07a4857

      SHA512

      db17e99e2df918cfc9ccbe934adfe73f0777ce1ce9f28b57a4b24ecd821efe2e0b976a634853247b77b16627d2bb3af4ba20306059d1d25ef38ffada7da3e3a4

    • \Windows\SysWOW64\259427525.bat

      Filesize

      51KB

      MD5

      f3f4dc5c3b0d4fc372ef040a0a5c94bf

      SHA1

      383f6f7e04fc24d4b895b00a2d5aa806da4c4c4f

      SHA256

      8f99560edb1d252e246dddaa0a23c329bd7f71f09d8d38bb6a173689ff41c1f3

      SHA512

      ba2afb152fc2d10d65f5566f53bf7d2358be24f12a6dc6ff04c1181f53a9b124adc409e3afb4e02181c6dea76209239a77d82e64edcd2bb46bf6a22fbb19979d

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d