Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 16:13

General

  • Target

    40d35f1f6e71d5be3166dead89573bc8_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    40d35f1f6e71d5be3166dead89573bc8

  • SHA1

    5f6291b39dac2622a6ea97fbad8a7d4235797178

  • SHA256

    771d7a35e4e0b3fa80116af4b5e80afaefd24244e586950fd064574a997f1d72

  • SHA512

    2116a68b554746ef5abc743b8f885956b2b6626b4358ffb36d069d834fd3dc1d3f0ec4c9ee455e01ee755d529cee1d83d3179130dc94fed244e3b258195df409

  • SSDEEP

    12288:wOqBSe3b7MFJb7Mtx45EACL9NZ8JZi6MPNUp/musajK9I1yG88F+Nqhs:RCStUM5qjZQi6SNesajK9I1i8Frm

Malware Config

Extracted

Family

xtremerat

C2

youime.no-ip.info

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 25 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

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

  • Modifies registry class 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40d35f1f6e71d5be3166dead89573bc8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40d35f1f6e71d5be3166dead89573bc8_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4416
    • C:\Users\Admin\AppData\Local\Temp\40d35f1f6e71d5be3166dead89573bc8_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\40d35f1f6e71d5be3166dead89573bc8_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4032
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:1772
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:2404
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            3⤵
              PID:4360
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe
              3⤵
                PID:2940
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                3⤵
                  PID:2928
                • C:\Windows\SysWOW64\explorer.exe
                  explorer.exe
                  3⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:4880
                  • C:\Windows\InstallDir\Server.exe
                    "C:\Windows\InstallDir\Server.exe"
                    4⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:4028
                    • C:\Windows\InstallDir\Server.exe
                      C:\Windows\InstallDir\Server.exe
                      5⤵
                      • Boot or Logon Autostart Execution: Active Setup
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2040
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                        6⤵
                          PID:4568
                        • C:\Windows\SysWOW64\explorer.exe
                          explorer.exe
                          6⤵
                          • Boot or Logon Autostart Execution: Active Setup
                          • Adds Run key to start application
                          • System Location Discovery: System Language Discovery
                          • Checks SCSI registry key(s)
                          • Modifies registry class
                          • Suspicious behavior: EnumeratesProcesses
                          • Suspicious use of SetWindowsHookEx
                          PID:2500

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).cfg

                Filesize

                1KB

                MD5

                07813307a77b2fecea44690e4275c83c

                SHA1

                0f9208698b614e3a4f5808939f72c3eafb3ab050

                SHA256

                fa0f1d5480392605a594da258a56523d0a4b43b8936184c237df96ca9d0bc15d

                SHA512

                55245d8a8fea62cce9fc8f535bb974a3a6338bf22c40db341be468a0a9d42a2ea3a581e9a65d1fe2195086a60ed2a7bd12fc08b79d96d9bb2d03de60ffd06499

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).dat

                Filesize

                2B

                MD5

                84cad01fdb44ae58dbe6c3973dcd87f5

                SHA1

                4700b42849fb35be323774820bf1bc8019d26c80

                SHA256

                8b1f194be530240c18bf0b1ee0d038e750fab8b24c6bd25c864297e5ebb41fa6

                SHA512

                6e10d3ec4724c1aca9ff3f6a26292ba80065d18e8e9395f1474c0a298008f25e312e2f7024e7d10aab3264764e69a25553cc20afd23090f83921d20e42b989ab

              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).xtr

                Filesize

                343KB

                MD5

                6426d400c96fb9ffef4eaa54f6647f4c

                SHA1

                70a37871aff432790b6adf7d3fc4eb929476e082

                SHA256

                98bba0cf4c57ecd35b227f45e4aa6dd50ef7cfb1160235cc14687c96eb09fa3c

                SHA512

                2c8b4d3ab066cbfca6cf0c8d89d5044152b5e3d7100249cbedd1c816e3a4a94efc8bc6b79c1dab4bdf96e3ce476d6caccf625cfbe0aff3bf5e7a29dfcfa948c5

              • C:\Windows\InstallDir\Server.exe

                Filesize

                1.0MB

                MD5

                40d35f1f6e71d5be3166dead89573bc8

                SHA1

                5f6291b39dac2622a6ea97fbad8a7d4235797178

                SHA256

                771d7a35e4e0b3fa80116af4b5e80afaefd24244e586950fd064574a997f1d72

                SHA512

                2116a68b554746ef5abc743b8f885956b2b6626b4358ffb36d069d834fd3dc1d3f0ec4c9ee455e01ee755d529cee1d83d3179130dc94fed244e3b258195df409

              • memory/2040-33-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/2040-32-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/2040-31-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/2500-43-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-45-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-54-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-53-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-50-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-49-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-46-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-47-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-44-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-40-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-41-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/2500-39-0x0000000001610000-0x0000000001712000-memory.dmp

                Filesize

                1.0MB

              • memory/4028-38-0x0000000023240000-0x0000000023299000-memory.dmp

                Filesize

                356KB

              • memory/4032-0-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4032-1-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4032-4-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4032-5-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4032-6-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4032-2-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4416-11-0x0000000023240000-0x0000000023299000-memory.dmp

                Filesize

                356KB

              • memory/4880-13-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4880-24-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4880-10-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB

              • memory/4880-19-0x0000000000C80000-0x0000000000D3B000-memory.dmp

                Filesize

                748KB