Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 07:05

General

  • Target

    74b00da0f2e4d0c8b6e2875d02fefcec_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    74b00da0f2e4d0c8b6e2875d02fefcec

  • SHA1

    2b8e618271ad1899c2caa9d4ee5dbd4529198046

  • SHA256

    ac23fc53a20f5a19e8183bfba89bcf040d64bec45628c8f50fd80d13d4641081

  • SHA512

    7a1bca3e407c263f64665713a2a94b6e4035e21b0a91adb86e7f820de5351ea9e8d7c68757264907213b9456d2c35326d4ad19b938ee3ca29cfd642cddb2e943

  • SSDEEP

    98304:7957ilusIkAkVtXWZXo9Xph6w2vbXgaoqyy:vwrIkAomq9ZWbXrFyy

Malware Config

Extracted

Family

njrat

Version

0.7.3

Botnet

Octubre

C2

njratnew.duckdns.org:3042

Mutex

Client.exe

Attributes
  • reg_key

    Client.exe

  • splitter

    123

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • UPX packed file 3 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74b00da0f2e4d0c8b6e2875d02fefcec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\74b00da0f2e4d0c8b6e2875d02fefcec_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /TN REV_2611 /TR "'C:\Users\Admin\AppData\Roaming\{IQF2-5DU2-76KQ-KELJ-8649-TMI9}\REV_W8H3L.exe' /Installed" /sc ONLOGON /RL HIGHEST /F
      2⤵
      • Creates scheduled task(s)
      PID:3596
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
        PID:1288
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
        2⤵
          PID:1364
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
          2⤵
            PID:2288
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
            2⤵
              PID:5028
            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
              2⤵
                PID:2396
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                2⤵
                  PID:3116
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                  2⤵
                    PID:2480
                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                    2⤵
                      PID:1904
                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                      2⤵
                        PID:2336
                      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                        2⤵
                          PID:5096
                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                          2⤵
                            PID:4540
                          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                            2⤵
                              PID:4476
                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                              2⤵
                                PID:4640
                              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                2⤵
                                  PID:4500
                                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                  2⤵
                                    PID:5016
                                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                    2⤵
                                      PID:4112
                                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                      2⤵
                                        PID:5008
                                      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                        2⤵
                                          PID:3948
                                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                          2⤵
                                            PID:2424
                                          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                            2⤵
                                              PID:4864
                                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                              2⤵
                                                PID:3856
                                              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                2⤵
                                                  PID:4284
                                                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                  2⤵
                                                    PID:3924
                                                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                    2⤵
                                                      PID:2160
                                                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                      2⤵
                                                        PID:1976
                                                      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                        2⤵
                                                          PID:4576
                                                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                          2⤵
                                                            PID:2876
                                                          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                            2⤵
                                                              PID:2668
                                                            • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                              "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                              2⤵
                                                                PID:3416
                                                              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                2⤵
                                                                  PID:684
                                                                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                  2⤵
                                                                    PID:3564
                                                                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                    2⤵
                                                                      PID:1596
                                                                    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                      2⤵
                                                                        PID:3648
                                                                      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                        2⤵
                                                                          PID:2420
                                                                        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                          2⤵
                                                                            PID:4816
                                                                          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
                                                                            "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
                                                                            2⤵
                                                                            • Suspicious use of AdjustPrivilegeToken
                                                                            PID:1676

                                                                        Network

                                                                        MITRE ATT&CK Enterprise v15

                                                                        Replay Monitor

                                                                        Loading Replay Monitor...

                                                                        Downloads

                                                                        • C:\patch\krn.dll

                                                                          Filesize

                                                                          625KB

                                                                          MD5

                                                                          eccf28d7e5ccec24119b88edd160f8f4

                                                                          SHA1

                                                                          98509587a3d37a20b56b50fd57f823a1691a034c

                                                                          SHA256

                                                                          820c83c0533cfce2928e29edeaf6c255bc19ac9718b25a5656d99ffac30a03d6

                                                                          SHA512

                                                                          c1c94bbb781625b2317f0a8178d3a10d891fb71bca8f82cd831c484e8ab125301b82a14fe2ff070dc99a496cc00234300fa5536401018c40d49d44ae89409670

                                                                        • C:\patch\ntd2.dll

                                                                          Filesize

                                                                          1.6MB

                                                                          MD5

                                                                          4f3387277ccbd6d1f21ac5c07fe4ca68

                                                                          SHA1

                                                                          e16506f662dc92023bf82def1d621497c8ab5890

                                                                          SHA256

                                                                          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

                                                                          SHA512

                                                                          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

                                                                        • memory/1512-8-0x0000000066000000-0x000000006618C000-memory.dmp

                                                                          Filesize

                                                                          1.5MB

                                                                        • memory/1512-12-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-5-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-4-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-6-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-7-0x0000000000400000-0x0000000000D1D000-memory.dmp

                                                                          Filesize

                                                                          9.1MB

                                                                        • memory/1512-1-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-3-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-10-0x0000000066000000-0x000000006618C000-memory.dmp

                                                                          Filesize

                                                                          1.5MB

                                                                        • memory/1512-14-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-13-0x0000000066000000-0x000000006618C000-memory.dmp

                                                                          Filesize

                                                                          1.5MB

                                                                        • memory/1512-2-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1512-0-0x0000000076F40000-0x0000000076F41000-memory.dmp

                                                                          Filesize

                                                                          4KB

                                                                        • memory/1512-27-0x0000000000400000-0x0000000000D1D000-memory.dmp

                                                                          Filesize

                                                                          9.1MB

                                                                        • memory/1512-28-0x0000000076F20000-0x0000000077010000-memory.dmp

                                                                          Filesize

                                                                          960KB

                                                                        • memory/1676-26-0x0000000000400000-0x0000000001400000-memory.dmp

                                                                          Filesize

                                                                          16.0MB