Analysis

  • max time kernel
    148s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 17:29

General

  • Target

    259fdb83f71b42449106b1c196a688c9_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    259fdb83f71b42449106b1c196a688c9

  • SHA1

    67b7f7cc32f6cde17375119d62111d01f8336bcd

  • SHA256

    331da6d9d5d651b9ae582106e4293ad84621f30c93f0551a44015a86a0b42957

  • SHA512

    dd24aa1718eab2d02b6dac943ebc8e5e38853053e95c8036181203a0567ebf2ef50e31465db07eef626627b05cc2852a0d18394294e309c3b81c6c51c67fa736

  • SSDEEP

    1536:HsOdzeCT5L27tvVBAJ1mcnHnmKaQRmcGCvC9p6bm++RpiY64vKDlh+sWLvvunY7v:MOd6CT5C7/gGKaQRlGCZHYWDSknSQ+

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.

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\259fdb83f71b42449106b1c196a688c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\259fdb83f71b42449106b1c196a688c9_JaffaCakes118.exe"
    1⤵
    • Server Software Component: Terminal Services DLL
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Local\Temp\259fdb83f71b42449106b1c196a688c9_JaffaCakes118.exe"
      2⤵
        PID:1528
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "xxiaoxiliushui"
      1⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe c:\windows\system32\nte574c5bz.dll, abcd
        2⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\nte574c5bz.dll

      Filesize

      92KB

      MD5

      b1d2cc9077668a5e69bb89d44c0d0984

      SHA1

      fdfca063c30058cbcb72ce56e9c2e68e8baa388b

      SHA256

      539d4cfc5b67a628f40291351223f66738e58da8aa966779888a52c848aeef42

      SHA512

      34894438c34bf51096db037cc7b34d11f6fa4db409c7fb3af001ec47f9bc7175c39b4e49273408bc8a06a43f05c23214c0067aa958f35b3c1a82b6b9331f004d