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Analysis

  • max time kernel
    106s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2025, 15:19

General

  • Target

    JaffaCakes118_7e6fc2d6bc70a57d3e6bc35e066d9cff.exe

  • Size

    281KB

  • MD5

    7e6fc2d6bc70a57d3e6bc35e066d9cff

  • SHA1

    2fae1438e0d749a88d4227da5db48ddc90bb54ab

  • SHA256

    44aa86c6880354edb6c4df8c9d6c0075c0da0fb8e1537a47329deda54c041344

  • SHA512

    89dd93d051432e740c1cbfa2e3142c4e184e196547a789d31aa92f4d83df876ded0742b8272947993ebb738a8dff80fe8190f0d5e2096c62dd2efda29f8e286d

  • SSDEEP

    6144:gScrLt4mp8D6WGc/YSlIipBReybLzeh7Yy0DMIdeXijX:xcKy78QSVndyhsFMCeSjX

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 8 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 5 IoCs
  • UPX packed file 3 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).

  • Program crash 6 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3432
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6fc2d6bc70a57d3e6bc35e066d9cff.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6fc2d6bc70a57d3e6bc35e066d9cff.exe"
        2⤵
        • Adds policy Run key to start application
        • Boot or Logon Autostart Execution: Active Setup
        • Checks computer location settings
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1604
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2212
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 812
            4⤵
            • Program crash
            PID:4844
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6fc2d6bc70a57d3e6bc35e066d9cff.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7e6fc2d6bc70a57d3e6bc35e066d9cff.exe"
          3⤵
            PID:4812
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 496
              4⤵
              • Program crash
              PID:5968
          • C:\Windows\SysWOW64\install\server.exe
            "C:\Windows\system32\install\server.exe"
            3⤵
            • Adds policy Run key to start application
            • Boot or Logon Autostart Execution: Active Setup
            • Checks computer location settings
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            PID:1076
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              4⤵
              • System Location Discovery: System Language Discovery
              PID:5188
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 5188 -s 812
                5⤵
                • Program crash
                PID:4684
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\SysWOW64\install\server.exe"
              4⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:2836
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 528
                5⤵
                • Program crash
                PID:1744
            • C:\Users\Admin\AppData\Roaming\install\server.exe
              "C:\Users\Admin\AppData\Roaming\install\server.exe"
              4⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of FindShellTrayWindow
              PID:116
              • C:\Windows\SysWOW64\explorer.exe
                explorer.exe
                5⤵
                • System Location Discovery: System Language Discovery
                PID:4360
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 812
                  6⤵
                  • Program crash
                  PID:5004
              • C:\Users\Admin\AppData\Roaming\install\server.exe
                "C:\Users\Admin\AppData\Roaming\install\server.exe"
                5⤵
                • Executes dropped EXE
                PID:4832
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 508
                  6⤵
                  • Program crash
                  PID:4772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2212 -ip 2212
        1⤵
          PID:5140
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4812 -ip 4812
          1⤵
            PID:232
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5188 -ip 5188
            1⤵
              PID:5472
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2836 -ip 2836
              1⤵
                PID:2324
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4360 -ip 4360
                1⤵
                  PID:5140
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4832 -ip 4832
                  1⤵
                    PID:232

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

                    Filesize

                    236KB

                    MD5

                    e3070601bf7de2b9bbb2335b25905ea4

                    SHA1

                    1a410e0ba88583a48ac0b7f29a325a7a7b5fd325

                    SHA256

                    2298f33ce2aee4061745b5a537a70202fcabb857777a8eb4c87b4fd6afc3811b

                    SHA512

                    26b0536a146a0845515ba44e86b3705c69cfa1c04cadd8bb3cd134219cf547b4aed1a6738e2e338046d84ee98d0c1546cbcbcafed8ac40f52e006dd83d35bee9

                  • C:\Users\Admin\AppData\Local\Temp\Admin2.txt

                    Filesize

                    236KB

                    MD5

                    63570976e06b551c3cde0028cde2e876

                    SHA1

                    410225155783936ce519fdbbe2922419392a9e38

                    SHA256

                    7e71e993da66ff881ca62317447025c4bbf22b1ac43f650ed9b05869ef9eda27

                    SHA512

                    dc0e8f5b5c732ad9f72202509a42c3c5c73f0056f5322f7cac54205c6e4a4e1eb961a355458b71866e8a75013962e7aa9541f8fabaa6fc21406571e84de8bd3d

                  • C:\Windows\SysWOW64\install\server.exe

                    Filesize

                    281KB

                    MD5

                    7e6fc2d6bc70a57d3e6bc35e066d9cff

                    SHA1

                    2fae1438e0d749a88d4227da5db48ddc90bb54ab

                    SHA256

                    44aa86c6880354edb6c4df8c9d6c0075c0da0fb8e1537a47329deda54c041344

                    SHA512

                    89dd93d051432e740c1cbfa2e3142c4e184e196547a789d31aa92f4d83df876ded0742b8272947993ebb738a8dff80fe8190f0d5e2096c62dd2efda29f8e286d

                  • memory/1604-3-0x0000000010410000-0x0000000010482000-memory.dmp

                    Filesize

                    456KB

                  • memory/1604-63-0x0000000010490000-0x0000000010502000-memory.dmp

                    Filesize

                    456KB

                  • memory/2212-7-0x00000000010D0000-0x00000000010D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2212-8-0x0000000001190000-0x0000000001191000-memory.dmp

                    Filesize

                    4KB

                  • memory/2212-66-0x0000000003C20000-0x0000000003C21000-memory.dmp

                    Filesize

                    4KB

                  • memory/2212-67-0x0000000010490000-0x0000000010502000-memory.dmp

                    Filesize

                    456KB