Analysis

  • max time kernel
    133s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-05-2024 02:35

General

  • Target

    7b65b6bdd6866345d6f9d0e18a0dcbc9_JaffaCakes118.exe

  • Size

    220KB

  • MD5

    7b65b6bdd6866345d6f9d0e18a0dcbc9

  • SHA1

    fe3fdda918a3db1b17fc48716b574356700d5fc0

  • SHA256

    2c34888b579bfe9598f5ab006346ce318ece71375b4deed4a5baf46aa867f274

  • SHA512

    0e73217400e0763ff6e455f7e6fec40b9bfc849c45d2dfec88e5b4ea7f5f102578a0694d35c1b18993bf8f41a5bcbf09903f5bc9662b08fbcae4f6484a274ef1

  • SSDEEP

    3072:93VrTNNer1tXqjkJ+G0vskV+Rr/wtBMHD4C6S7FSrK3xn9j0J:tV/MvJaL+lItqISxMGxh0

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Renames multiple (9070) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 30 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b65b6bdd6866345d6f9d0e18a0dcbc9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7b65b6bdd6866345d6f9d0e18a0dcbc9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tmp54BD.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\SysWOW64\reg.exe
        reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f
        3⤵
          PID:4676
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f
          3⤵
            PID:2584
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers"
            3⤵
              PID:4472
            • C:\Windows\SysWOW64\attrib.exe
              attrib Default.rdp -s -h
              3⤵
              • Views/modifies file attributes
              PID:4700
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\7b65b6bdd6866345d6f9d0e18a0dcbc9_JaffaCakes118.exe > nul
            2⤵
              PID:892
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 1088
              2⤵
              • Program crash
              PID:984
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4392 -ip 4392
            1⤵
              PID:2184

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\$Recycle.Bin\S-1-5-21-2804150937-2146708401-419095071-1000\desktop.ini

              Filesize

              1KB

              MD5

              096c108c0f468a379f9b96a9f3f4681c

              SHA1

              a8e09d640ca6c8cbe76025c14c632dd336c45a54

              SHA256

              365d4529c4cc2a59a15a6bd2c290373e06f014957b043b7820b3544e23d22bee

              SHA512

              84c63ce49384faaf59e3367d2718c34fb5952f2c1bc35676bd7652d1362851d0cbafde5c91749369a33f4f92058187024f9352ba2820a3002cea2a95c7e2e277

            • C:\Users\Admin\AppData\Local\Temp\tmp54BD.tmp.bat

              Filesize

              445B

              MD5

              32d8f7a3d0c796cee45f64b63c1cca38

              SHA1

              d58466430a2bba8641bd92c880557379e25b140c

              SHA256

              1a6f73b5c28d1c10f63f2056068c1de61487b8cf8f1dcf7516548df144b3e9ea

              SHA512

              288213b92a03ac750ea319bb23c52e7bdf47f5a47ecb70c905c7610a84c63a3ec0a30801b5880e6def8df2c9f577082072e342198d23a19f64e561923e1ef698

            • C:\Users\Public\Videos\Read___ME.html

              Filesize

              4KB

              MD5

              85e75eb118874d4417da7b91c6c5cb28

              SHA1

              dec86b6e87f3efd7f6ff3f4a288ec356accd0899

              SHA256

              4c262db4c4aa78efd44ea211ef32894213e0e2c4953ec75c9f3300bebee3d94f

              SHA512

              d08155d26befad132d9f856cd9d27cb514817739b96db55280bd55ad0d8d257f0c15da60306bbe754eb716b89dfd8f374bf32b34e6e19c0749215061ef847ce3

            • memory/4392-3-0x0000000000400000-0x000000000040F000-memory.dmp

              Filesize

              60KB

            • memory/4392-2-0x0000000000810000-0x0000000000910000-memory.dmp

              Filesize

              1024KB

            • memory/4392-740-0x0000000000400000-0x0000000000537000-memory.dmp

              Filesize

              1.2MB

            • memory/4392-4866-0x0000000000810000-0x0000000000910000-memory.dmp

              Filesize

              1024KB

            • memory/4392-4867-0x0000000000400000-0x000000000040F000-memory.dmp

              Filesize

              60KB