Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 7 IoCs
  • Gh0strat

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b63895b56f6474707186fd0ef0635c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4b63895b56f6474707186fd0ef0635c0_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • 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:1724
    • 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
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2412
      • 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:1028
      • C:\Fuck.exe
        C:\Fuck.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2332

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Fuck.exe

          Filesize

          7KB

          MD5

          9678be6cf85ce3c178bd37f797671766

          SHA1

          d9aa32c599decca30111060090dc87df39035bd2

          SHA256

          1e733e7703bd1e9188d9a800d9073ea23118e01d27c82537819ec9aabc874ddf

          SHA512

          786f95cf450dfc6671d1536b64f020210ef8d68bfe862af2eaa07d88029ff9aff4258afd7311fa9f42b97b62887c8cde9094e6beb00dd38750cd679588e04ef0

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

          Filesize

          208KB

          MD5

          82a36138830009416a8fae774341f054

          SHA1

          1afeabede25df0c32a57a064d1be3d1bb4454610

          SHA256

          8192f98c23ba80b1bd52511a6bf43b7a39c1a12f91f5d09756725a01338af714

          SHA512

          74eed127f776f8fc6ff39508bff4885c4f7994ff03dfbf637f0d225ee644e2a69d5d81aa8d9c6ac9d49664292a4544c55eaded8e7fa0df4e179768c65e1e2f11

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

          Filesize

          760KB

          MD5

          e651c6a94e98111f5debfbf0d35b98e7

          SHA1

          3d723000b79532ab5775181da476031780dc4ec4

          SHA256

          37b79b7cc0f8b8920539dffc24287d79b3ed3136d544030758f09e7cfb8cc130

          SHA512

          a97eec91a16acd5c14b391a94c5def549844a950f368d9247d2004a1b861983121fc4f006b95d5eaa5b2fae24f848eafc7f6d2eeea9f6f70d5a453efef410867

        • \Windows\SysWOW64\yjsoft.ini

          Filesize

          152KB

          MD5

          b61f1a8a82b06e98796e8e573522ea3a

          SHA1

          0e5193ccd21bf9630f98347425bfda4dfc98d8c9

          SHA256

          999a3a7835c5d41d7ba7374b0519e56f464b40a30d2f5c74babafc6f0f9c319a

          SHA512

          a5f48f67c0d96f341fcdd5a4af4f12ecd619fd68aa384b22549f8450dcfe7dce481baf928f02a182bd82f57938c5674175dc476934ff5af043332ddeb0909d69

        • memory/1724-47-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-49-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-30-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-32-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-29-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-27-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-37-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-93-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-56-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-67-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-71-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-75-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-74-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-69-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-65-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-63-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-61-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-59-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-57-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-53-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-33-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-45-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-51-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-43-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-41-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-39-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/1724-35-0x0000000010000000-0x000000001003D000-memory.dmp

          Filesize

          244KB

        • memory/2100-14-0x0000000002D50000-0x0000000002D84000-memory.dmp

          Filesize

          208KB

        • memory/2100-20-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2100-0-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2332-85-0x0000000000400000-0x0000000000404000-memory.dmp

          Filesize

          16KB

        • memory/2332-83-0x0000000000400000-0x0000000000404000-memory.dmp

          Filesize

          16KB

        • memory/2412-103-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB

        • memory/2412-91-0x00000000004E0000-0x00000000004E1000-memory.dmp

          Filesize

          4KB

        • memory/2412-80-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB

        • memory/2412-81-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB

        • memory/2412-88-0x0000000020000000-0x0000000020027000-memory.dmp

          Filesize

          156KB

        • memory/2412-94-0x0000000020000000-0x0000000020027000-memory.dmp

          Filesize

          156KB

        • memory/2412-101-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/2412-23-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/2412-102-0x0000000000020000-0x0000000000024000-memory.dmp

          Filesize

          16KB