Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 16:57

General

  • Target
    bd617bffc723c51d89ce55bc7092b337_JaffaCakes118.exe
  • Size 231KB
  • Sample240619-vgpc1athnh
  • SHA256 054b6a681af4c0b40553f9d90a62c50c836585faa773eb7142bc440c1f397748
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Renames multiple (9086) 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\bd617bffc723c51d89ce55bc7092b337_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bd617bffc723c51d89ce55bc7092b337_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:1152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tmp9BA.tmp.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\reg.exe
        reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Default" /va /f
        3⤵
          PID:1924
        • C:\Windows\SysWOW64\reg.exe
          reg delete "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers" /f
          3⤵
            PID:1828
          • C:\Windows\SysWOW64\reg.exe
            reg add "HKEY_CURRENT_USER\Software\Microsoft\Terminal Server Client\Servers"
            3⤵
              PID:5104
            • C:\Windows\SysWOW64\attrib.exe
              attrib Default.rdp -s -h
              3⤵
              • Views/modifies file attributes
              PID:456
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\bd617bffc723c51d89ce55bc7092b337_JaffaCakes118.exe > nul
            2⤵
              PID:3752
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 1096
              2⤵
              • Program crash
              PID:1092
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1152 -ip 1152
            1⤵
              PID:4356

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  desktop.ini

                  • Path C:\$Recycle.Bin\S-1-5-21-1337824034-2731376981-3755436523-1000\desktop.ini
                  • Size 1KB
                  • SHA256 32471985c59977bbcdeeba3ea5f92ef15619f7ae07b4bdd93c43295cd07f5fa5
                  • MD5 SHA1 SHA512

                  tmp9BA.tmp.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp9BA.tmp.bat
                  • Size 445B
                  • SHA256 1a6f73b5c28d1c10f63f2056068c1de61487b8cf8f1dcf7516548df144b3e9ea
                  • MD5 SHA1 SHA512

                  Read___ME.html

                  • Path C:\Users\Public\Videos\Read___ME.html
                  • Size 4KB
                  • SHA256 30362569c336aab0b06602894981d6235996408048ebd60b1007893a931fb167
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/1152-2-0x0000000000540000-0x0000000000640000-memory.dmp

                  memory/1152-3-0x0000000000400000-0x000000000040F000-memory.dmp

                  memory/1152-1928-0x0000000000400000-0x00000000004FB000-memory.dmp

                  memory/1152-5784-0x0000000000400000-0x000000000040F000-memory.dmp

                  memory/1152-5783-0x0000000000540000-0x0000000000640000-memory.dmp

                  memory/1152-20258-0x0000000000400000-0x00000000004FB000-memory.dmp