Analysis

  • max time kernel
    123s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 18:13

General

  • Target
    30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe
  • Size 1.8MB
  • Sample240510-wt4h5adf48
  • SHA256 20a482d03485031a84636bc19152f63564cd2bc3eb10be1023c2e51126686106
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 14 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 61 IoCs
  • UPX packed file 14 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\30648d1ae860e714f0538b6898d41fc2_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\RtHelp.exe" --InstSupp --Supp 167 --Ver 180
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4040
    • C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\RtHelp.exe
      "C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\RtHelp.exe" --PreCheck 167 --Uid A1AE24A90EB6D84BB9DFCA21D0C8AAD7 --Ver 180
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Maps connected drives based on registry
      PID:2104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 608
      2⤵
      • Program crash
      PID:4532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 908
      2⤵
      • Program crash
      PID:3552
    • C:\Users\Admin\AppData\Local\Temp\nsi242A.tmp
      "C:\Users\Admin\AppData\Local\Temp\nsi242A.tmp" /S _?=C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 612
        3⤵
        • Program crash
        PID:4272
      • C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe
        "C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe" --Uninstall
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2752
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1816 -ip 1816
    1⤵
      PID:4652
    • C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe
      C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4788
      • C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe
        "C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Runner.exe" --UpNav YgByAG8AdwBzAGUAcgAuAGkAZAAzADEAMgAuAHMAbwBmAHQALQBjAGQAbgAuAGMAbwBtAC8ARQB4AHAAUABrAGcALgBwAGgAcAA/AHAAPQAwACYAcwA9ADUA --DownNav QwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcADMAMAAxADYAMAAwADMAQQAtADQAMgBEADEALQA4ADkANABFAC0AQQA0ADkANAAtAEQAMgAzAEMAMgAzADYAMwBGADEAQgBCAFwAVQBwAGQAYQB0AGUAXABFAHgAdABQAGsAZwAwAA==
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 480
        2⤵
        • Program crash
        PID:5008
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1816 -ip 1816
      1⤵
        PID:3248
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4788 -ip 4788
        1⤵
          PID:5072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4736 -ip 4736
          1⤵
            PID:3568

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                cdp.dll

                • Path C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Modules\cdp.dll
                • Size 91KB
                • SHA256 a056ad6496931b0c0a9405cf4f7a34db68c3b78b30d4907f9472994b836ea022
                • MD5 SHA1 SHA512 SSDEEP

                nvs.dll

                • Path C:\Users\Admin\AppData\Local\3016003A-42D1-894E-A494-D23C2363F1BB\Modules\nvs.dll
                • Size 90KB
                • SHA256 3a35ed22fe448967d3bbb5ac16710f755760f2a083f05b22884abe811d688039
                • MD5 SHA1 SHA512 SSDEEP

                MSVCP110.dll

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\MSVCP110.dll
                • Size 522KB
                • SHA256 c8d5572ca8d7624871188f0acabc3ae60d4c5a4f6782d952b9038de3bc28b39a
                • MD5 SHA1 SHA512 SSDEEP

                clc.dll

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\Modules\clc.dll
                • Size 111KB
                • SHA256 f1107b54b4cbbfbd7a894226317918f5aadafd56c65ea255c81facdc539b88be
                • MD5 SHA1 SHA512 SSDEEP

                crm.dll

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\Modules\crm.dll
                • Size 104KB
                • SHA256 ec27c6987d403bb31df794b47060fe707bca85c058ecb62b8a6ec9ab35de2c06
                • MD5 SHA1 SHA512 SSDEEP

                wis.dll

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\Modules\wis.dll
                • Size 42KB
                • SHA256 3a942e2bfd313ecdbd48ebe05653b50d904f9b1dc30c86067446885a8d01dff7
                • MD5 SHA1 SHA512 SSDEEP

                RtHelp.exe

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\RtHelp.exe
                • Size 334KB
                • SHA256 0946e5e56039b750820fad2169e66ffe31a5a0d93fc17734948c40f9ef147c43
                • MD5 SHA1 SHA512 SSDEEP

                msvcr110.dll

                • Path C:\Users\Admin\AppData\Local\Temp\8D89E816-AA51-6844-82EE-E08EF68F85FD\msvcr110.dll
                • Size 854KB
                • SHA256 b30160e759115e24425b9bcdf606ef6ebce4657487525ede7f1ac40b90ff7e49
                • MD5 SHA1 SHA512 SSDEEP

                System.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nse43C1.tmp\System.dll
                • Size 11KB
                • SHA256 4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe
                • MD5 SHA1 SHA512 SSDEEP

                UpdHelper.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nse43C1.tmp\UpdHelper.dll
                • Size 130KB
                • SHA256 8b972cd7532648027a533330481a6fed08f70718b31396ddf6579519e862b169
                • MD5 SHA1 SHA512 SSDEEP

                md5dll.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nse43C1.tmp\md5dll.dll
                • Size 6KB
                • SHA256 32c3d36f38e7e8a8bafd4a53663203ef24a10431bda16af9e353c7d5d108610f
                • MD5 SHA1 SHA512 SSDEEP

                memory/1816-102-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-84-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-111-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-108-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-105-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-120-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-101-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-98-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-95-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-92-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-86-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-114-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-82-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-78-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-75-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-69-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-126-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-34-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-37-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-177-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-178-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-179-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-180-0x00000000023B0000-0x00000000023BA000-memory.dmp

                memory/1816-181-0x00000000023B0000-0x00000000023BA000-memory.dmp