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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 23:46

General

  • Target

    a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe

  • Size

    4.6MB

  • MD5

    5cd0d4b25a816e637fdaa032f1c9d1b8

  • SHA1

    a8b2ed880498590ad911e4dbf55494ab71849d30

  • SHA256

    a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7

  • SHA512

    d81ca2c46364247d875cb413018ccb1b8893b88c2fb912f631106b58b1f6a9308c045fb8c57c098274f73b6774a9d4c45ed829a39f1102f66bccea66846ac3ee

  • SSDEEP

    49152:qYREXSVMKi36sSxbXsPNIULkmp1/j6AeXZG7wmpvGF1IP9z5WuHC4O8b8ITDnl2X:f2SVMK86sSxbXsPN5kiQaZ56

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.

  • Gh0strat family
  • Server Software Component: Terminal Services DLL 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe
    "C:\Users\Admin\AppData\Local\Temp\a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\look2.exe
      C:\Users\Admin\AppData\Local\Temp\\look2.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2868
    • C:\Users\Admin\AppData\Local\Temp\HD_a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2324
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "svchcst"
    1⤵
      PID:2144
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "svchcst"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\svchcst.exe
        C:\Windows\system32\svchcst.exe "c:\windows\system32\259457056.bat",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2588

    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

      8ef8a99ecbc1e0d34460d4cbc0c1443c

      SHA1

      8c7b3b94a9e5e93c423f40c948d674430d4b329b

      SHA256

      14a2ae8ec0c87b1897e32aee4f86814ca4fcd300d6799aa6e1c710d555b66de5

      SHA512

      6749f89e45a7301a95ad884aa480599a23c1a4d203d21a5127814771687faa615635757fa5a905b83182ebaef1d9636767d792f393e209a90023a030b92f32be

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

      Filesize

      337KB

      MD5

      fb66e1e31fa1e6dfb21a50ccd11e0409

      SHA1

      6c45a0a115ec896eb14a531a44809b2a22cf8934

      SHA256

      5ea8c5455f0ebe884ed98834e78ead8b6c68814bbb1723370299fa44b88c0faa

      SHA512

      58ee149f70438296a67d5ae5cbd6cb9f5b2510a0381466b8f09eec3835be1ce7cad6903ca8fbc9273105132e85952208e78c59f776416c5449b86cc62111154b

    • C:\Windows\SysWOW64\svchcst.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \Users\Admin\AppData\Local\Temp\HD_a82031094dad595bbb895b19201b4cdbd2cd8bcc702f3d6ad322aeb0c739c3c7.exe

      Filesize

      3.1MB

      MD5

      fb083acd60fe5c3156dc25442be815e3

      SHA1

      61df59b8f3ebd8b3d29ca3aedc4995e23cacf6d8

      SHA256

      f130b3789962d5c8b59aa250d6f26ad5945928f3905b32bf65aa7bd30348a794

      SHA512

      7147337d2c1006bb15cfa967c9eea6826b63c8d343f866e7454d7368d25019f39e52cf179500810834244c3ca9644d6c0df0b2c3128a9051e9ee6b428fa926f6

    • \Windows\SysWOW64\259457056.bat

      Filesize

      51KB

      MD5

      6fe16e4ef92fd4c88234818992672d60

      SHA1

      95fac901e273ebff9b6c82767412c07b512ba382

      SHA256

      60169f93d538b7c2b95304fba882c576fe2ee7d6b00927a3b0aafa167f674b37

      SHA512

      d5a701e3181dc3596d686c995ee070c4ca346cdea3fcb64e495d193be8a9c09f1c77268daf9e630017b78eec5cbc51483f3eb5ec46b247e6119f07f3d3b36148