Analysis

  • max time kernel
    139s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 04:26

General

  • Target

    4b63895b56f6474707186fd0ef0635c0_JaffaCakes118.exe

  • Size

    562KB

  • MD5

    4b63895b56f6474707186fd0ef0635c0

  • SHA1

    18fba057abf06abb359110db9e202f4701c4dfb8

  • SHA256

    050c95bd50fd6ea6882bb718cc06a2b692ce0054416e11184cff93ce9199e5ea

  • SHA512

    b77b7aed00aafbb9f3f5a8a6e9ed362e7c6c24fead9f7b4c7ab0d375bfc0c538ec5c9f871800a885250688983487a3c11d5e196f9be9d3f9dfe2d564e1de28ed

  • SSDEEP

    12288:nsaY8rL1VYO2cz96qsMfU+to5fJojREZWcQvEUtz:B/r3Ysz4lMto5xEOKz

Malware Config

Signatures

  • Gh0st RAT payload 6 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 30 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • 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.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b63895b56f6474707186fd0ef0635c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4b63895b56f6474707186fd0ef0635c0_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\Temp\ÔóÔ󡢿¨ÐÂÊÖ¹¤¾ß.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp\ÔóÔ󡢿¨ÐÂÊÖ¹¤¾ß.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4340
    • C:\Users\Admin\AppData\Local\Temp\Temp\csrss.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp\csrss.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 220
        3⤵
        • Program crash
        PID:2068
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im KSafeTray.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1992
      • C:\Fuck.exe
        C:\Fuck.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3860
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 924
        3⤵
        • Program crash
        PID:3204
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3288 -ip 3288
    1⤵
      PID:1804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3288 -ip 3288
      1⤵
        PID:1068

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Fuck.exe

              Filesize

              7KB

              MD5

              9678be6cf85ce3c178bd37f797671766

              SHA1

              d9aa32c599decca30111060090dc87df39035bd2

              SHA256

              1e733e7703bd1e9188d9a800d9073ea23118e01d27c82537819ec9aabc874ddf

              SHA512

              786f95cf450dfc6671d1536b64f020210ef8d68bfe862af2eaa07d88029ff9aff4258afd7311fa9f42b97b62887c8cde9094e6beb00dd38750cd679588e04ef0

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

              Filesize

              208KB

              MD5

              82a36138830009416a8fae774341f054

              SHA1

              1afeabede25df0c32a57a064d1be3d1bb4454610

              SHA256

              8192f98c23ba80b1bd52511a6bf43b7a39c1a12f91f5d09756725a01338af714

              SHA512

              74eed127f776f8fc6ff39508bff4885c4f7994ff03dfbf637f0d225ee644e2a69d5d81aa8d9c6ac9d49664292a4544c55eaded8e7fa0df4e179768c65e1e2f11

            • C:\Users\Admin\AppData\Local\Temp\Temp\ÔóÔ󡢿¨ÐÂÊÖ¹¤¾ß.exe

              Filesize

              760KB

              MD5

              e651c6a94e98111f5debfbf0d35b98e7

              SHA1

              3d723000b79532ab5775181da476031780dc4ec4

              SHA256

              37b79b7cc0f8b8920539dffc24287d79b3ed3136d544030758f09e7cfb8cc130

              SHA512

              a97eec91a16acd5c14b391a94c5def549844a950f368d9247d2004a1b861983121fc4f006b95d5eaa5b2fae24f848eafc7f6d2eeea9f6f70d5a453efef410867

            • C:\Windows\SysWOW64\yjsoft.ini

              Filesize

              152KB

              MD5

              b61f1a8a82b06e98796e8e573522ea3a

              SHA1

              0e5193ccd21bf9630f98347425bfda4dfc98d8c9

              SHA256

              999a3a7835c5d41d7ba7374b0519e56f464b40a30d2f5c74babafc6f0f9c319a

              SHA512

              a5f48f67c0d96f341fcdd5a4af4f12ecd619fd68aa384b22549f8450dcfe7dce481baf928f02a182bd82f57938c5674175dc476934ff5af043332ddeb0909d69

            • memory/3288-20-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/3288-89-0x0000000020000000-0x0000000020027000-memory.dmp

              Filesize

              156KB

            • memory/3288-88-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/3288-85-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

              Filesize

              4KB

            • memory/3288-83-0x0000000020000000-0x0000000020027000-memory.dmp

              Filesize

              156KB

            • memory/3860-78-0x0000000000400000-0x0000000000404000-memory.dmp

              Filesize

              16KB

            • memory/3860-75-0x0000000000400000-0x0000000000404000-memory.dmp

              Filesize

              16KB

            • memory/4340-39-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-51-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-65-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-61-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-57-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-55-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-53-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-49-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-45-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-90-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-35-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-33-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-28-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-29-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-59-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-67-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-47-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-43-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-41-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-37-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-31-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-70-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-69-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-63-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-23-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-25-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-26-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4340-27-0x0000000010000000-0x000000001003D000-memory.dmp

              Filesize

              244KB

            • memory/4724-21-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB

            • memory/4724-0-0x0000000000400000-0x000000000041C000-memory.dmp

              Filesize

              112KB