Analysis

  • max time kernel
    142s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 03:31

General

  • Target

    189feaa3c9590a71cf9eff00274787e4_JaffaCakes118.exe

  • Size

    68KB

  • MD5

    189feaa3c9590a71cf9eff00274787e4

  • SHA1

    f902318c15115b28a6cb5a241985790829a6c108

  • SHA256

    00bb16549aa91cd7afb78e053f7a55a4e7807297c13ebdb9f02e6abfa809f2cf

  • SHA512

    17a283414a15d9372f7ed420072c795d90bf1bca9cfbbcfd53b6bb3c807fd11301a9d3089a0cba0bfc37960b45fb8a93befb99f54e003b25aaab2abfdfcc9939

  • SSDEEP

    1536:mCEGV2Nza32KGFR7Hldqs71dH8q7cD8YBtp9muKgl5K+3:Kza7sqp9mullh

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 12 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\189feaa3c9590a71cf9eff00274787e4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\189feaa3c9590a71cf9eff00274787e4_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Program Files\770P80JPC.exe
      "C:\Program Files\770P80JPC.exe" C:\Users\Admin\AppData\Local\Temp\189feaa3c9590a71cf9eff00274787e4_JaffaCakes118.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1068
    • C:\Program Files\770P80JPC.exe
      "C:\Program Files\770P80JPC.exe" rb
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4748
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files\W3L6AUBC6NN.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\sc.exe
        sc.exe create 9YM7H8HJ1Z7BinPath= "C:\Program Files\4AP1WI\UF90IQ9.exe -start" type= own type= interact start= auto DisplayName= 29BOD
        3⤵
        • Launches sc.exe
        PID:1012
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s shimgvw.dll
        3⤵
          PID:2432
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe /u /s itss.dll
          3⤵
            PID:1728
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s scrrun.dll
            3⤵
            • Modifies registry class
            PID:1948
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s vbscript.dll
            3⤵
              PID:1748
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32.exe /s jscript.dll
              3⤵
              • Modifies registry class
              PID:1604
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:3028
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:3284
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:1796
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:3868
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v DisableScriptDebuggerIE /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:764
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Disable Script Debugger" /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:4268
            • C:\Windows\SysWOW64\reg.exe
              reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
              3⤵
              • Adds Run key to start application
              • Modifies registry key
              PID:4300
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3612 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:3404

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\770P80JPC.exe

            Filesize

            32KB

            MD5

            5efcd9bd040df3f1a91ccca5e2996f1a

            SHA1

            cf3b753ccb21a215a716873f0121235611933ba2

            SHA256

            969e0c9b3947de3e494da83c2ee120ce9dc3b751a74b8f8629b26dc09a736a1d

            SHA512

            e707bca1dd4760f422d7b98226e95e7fe4482bb5f4fadd9d770322680816e4105c06f16a8af3a00b375df73b9e97086b14c4e2aa03ad4c0558ad36c1e94f0ee7

          • C:\Program Files\W3L6AUBC6NN.bat

            Filesize

            1KB

            MD5

            2325684177199a2461d2b04ef53c03be

            SHA1

            28f704f1ab77f5be267041b53fb1624d1a354d66

            SHA256

            db53925b4be942a14a8c8e331514c534e63f217a3d2005974a311a87ea5336f4

            SHA512

            2363ccd682fe973ff820b90703e70263b6d6e7df17ebb2571a96dec3af4e51a74634debe4c772c0d63aec3b619a1b8bad343ccba552bc6c4441d3d5de28cba4d