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
    24-05-2024 19:36

General

  • Target

    df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.exe

  • Size

    4.5MB

  • MD5

    7fb9eee3c23c2e39cfd8bf52b109749c

  • SHA1

    985c0f50ceb01dc43cd9ebdb7b34470f0670a6fd

  • SHA256

    df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f

  • SHA512

    03ddddd70eb04e85d8e8cfec3fbde2b744ce390d688b4f2ad6443fd6fee06ea11497354c47e683da7f01d4f6f4e502b411cf55cfd350af10a791537941fffe9c

  • SSDEEP

    49152:UYREXSVMKi33bXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl27PLn:N2SVMK83bXsPN5kiQaZ56

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\df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.exe
    "C:\Users\Admin\AppData\Local\Temp\df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2612
    • 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:2616
    • C:\Users\Admin\AppData\Local\Temp\HD_df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.exe
      2⤵
      • Executes dropped EXE
      PID:2632
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2116
    • 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:2516
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259429132.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.4MB

      MD5

      6b5bb738544cfb9d2bfdd86a870b961e

      SHA1

      1d0dbca908b965d7014ba0dbdedd746030215727

      SHA256

      403fb962c097d2d398c6cfaabed804febf89fd730569d0fb7fabfd5a9ea14936

      SHA512

      abe60af9e8fe96e836a23ae6a1246ca0c9d3e358555ea16458fae38619775b4384e41fbdb1e6838df96b1d552ea599773fddec3c6b9255e9d3a0658a822dc7de

    • \Users\Admin\AppData\Local\Temp\HD_df15ee34b6debe4057dd9421d47ab814e89938d64f0c6ad37373aa4f4684bf1f.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\259429132.bat

      Filesize

      51KB

      MD5

      737c6b8009f447029f61d9689a907f67

      SHA1

      7cc60409731d1117710be79859a8ed5441ca8415

      SHA256

      2287d29347c14fc482393a202393c0fec0e55615766b6d64207a277e76e3e5f8

      SHA512

      dd13baf00f6665cc51650ffd3bdcafd381cc6f49a72a9d1bce8be563f96334937e05b003070481c343bf26ccf79c750be82d208ec5a09e2a56ef87fd0a266344

    • \Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d