Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2024 04:26

General

  • Target

    a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe

  • Size

    179KB

  • MD5

    a019524e37f4d720d524b115b5d83f0c

  • SHA1

    d6966cb69cea2c3b8eec893210a1efd80cfc3179

  • SHA256

    efa52eaf124f191c42b55e40d719ca1382d9953280741debb07a32aba87d45a6

  • SHA512

    375e5b58e99695b69c93b456ef0c13f7efd9e2bab79228136d0350b4fd137b6fd449469fc10265a019f75897a9f70f6c8a6509135b3cd95ff70f34b203697a33

  • SSDEEP

    3072:IzlnaCPE9mf6TLSsEhWD9OP7vN4GHJFV6SFBE48giTzBG4LA0w6zH0vvEdvuB91z:IzFaEEAfaSsU8ODBJX6SFozBA0w6zUnZ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Lammer

C2

anonymouskillerbr1.duckdns.org:8080

Mutex

061718407ec7ca758146cb8944a62980

Attributes
  • reg_key

    061718407ec7ca758146cb8944a62980

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
      2⤵
        PID:4524
      • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:936
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Update\HwgugQ" /XML "C:\Users\Admin\AppData\Local\Temp\aggggg.xml"
            4⤵
            • Creates scheduled task(s)
            PID:1192
          • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
            4⤵
              PID:3504
            • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
              4⤵
                PID:2496
              • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
                "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
                4⤵
                  PID:3660
                • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
                  "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
                  4⤵
                    PID:384
                  • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
                    "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
                    4⤵
                      PID:4540
                    • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
                      "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
                      4⤵
                        PID:380
                      • C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe
                        "C:\Users\Admin\AppData\Local\Temp\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe"
                        4⤵
                        • Checks computer location settings
                        • Suspicious use of WriteProcessMemory
                        PID:1868
                        • C:\Users\Admin\AppData\Roaming\Teste.exe
                          "C:\Users\Admin\AppData\Roaming\Teste.exe"
                          5⤵
                          • Executes dropped EXE
                          • Suspicious use of SetThreadContext
                          • Drops file in Windows directory
                          • Suspicious use of WriteProcessMemory
                          PID:3176
                          • C:\Users\Admin\AppData\Roaming\Teste.exe
                            "C:\Users\Admin\AppData\Roaming\Teste.exe"
                            6⤵
                            • Executes dropped EXE
                            • Suspicious use of SetThreadContext
                            • Suspicious use of WriteProcessMemory
                            PID:5012
                            • C:\Users\Admin\AppData\Roaming\Teste.exe
                              "C:\Users\Admin\AppData\Roaming\Teste.exe"
                              7⤵
                              • Checks computer location settings
                              • Executes dropped EXE
                              • Suspicious use of SetThreadContext
                              PID:2524
                              • C:\Windows\SysWOW64\schtasks.exe
                                "C:\Windows\System32\schtasks.exe" /Create /TN "Update\HwgugQ" /XML "C:\Users\Admin\AppData\Local\Temp\a55555.xml"
                                8⤵
                                • Creates scheduled task(s)
                                PID:3956
                              • C:\Users\Admin\AppData\Roaming\Teste.exe
                                "C:\Users\Admin\AppData\Roaming\Teste.exe"
                                8⤵
                                • Drops startup file
                                • Executes dropped EXE
                                • Adds Run key to start application
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1992
                                • C:\Windows\SysWOW64\netsh.exe
                                  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Teste.exe" "Teste.exe" ENABLE
                                  9⤵
                                  • Modifies Windows Firewall
                                  PID:1752

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Execution

                Scheduled Task/Job

                1
                T1053

                Persistence

                Create or Modify System Process

                1
                T1543

                Windows Service

                1
                T1543.003

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Privilege Escalation

                Create or Modify System Process

                1
                T1543

                Windows Service

                1
                T1543.003

                Boot or Logon Autostart Execution

                1
                T1547

                Registry Run Keys / Startup Folder

                1
                T1547.001

                Scheduled Task/Job

                1
                T1053

                Defense Evasion

                Impair Defenses

                1
                T1562

                Disable or Modify System Firewall

                1
                T1562.004

                Modify Registry

                1
                T1112

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                2
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\a019524e37f4d720d524b115b5d83f0c_JaffaCakes118.exe.log
                  Filesize

                  223B

                  MD5

                  cde6529abeea500fb852f29ba0da6115

                  SHA1

                  45f2f48492417ae6a0eade8aaa808d3d1d760743

                  SHA256

                  d7f4964443470b6729865676d76f5f1f416da633033071c34ea5eb19cdea53b5

                  SHA512

                  c95fa7faf6a90f32060dba70f79c4d66c68d6eec587306fb98f36fc3ba5d377ebf9dabf47298b71db208fb10f7ccb4e0ed82236c8f26bcc746552588bbb38234

                • C:\Users\Admin\AppData\Local\Temp\aggggg.xml
                  Filesize

                  1KB

                  MD5

                  42c3e13bc525b0d910d511f547c0ba6d

                  SHA1

                  c7e62d35212b1a74ff9261ccabd3c78d3d93aab2

                  SHA256

                  8d3d3fcc7e7d65f1b3ffc77593a676dc913e0ac1169872d298c3b4f72a15d080

                  SHA512

                  12f020ae413d09ee86228ae7db1d79882c8fce9eebcfef32472aa47310358c858b37edcc489d77081c279472519624144e43297707bd92f74fe72051b689a924

                • C:\Users\Admin\AppData\Roaming\Microsoft\CLR Security Config\v2.0.50727.312\security.config.cch
                  Filesize

                  390B

                  MD5

                  a3b44a9c9c25c284e59a79cca9032024

                  SHA1

                  acdff56d7f339fdd5daafbcc3b2b6a8366e60e37

                  SHA256

                  bdf12545e3d1d344ae607054acf23832b2afd1e61c4c7a966ee1f99e85974191

                  SHA512

                  32e5d8326e31b00a5c6f0b4fd9fffac8dc829dd386939b24f74d3c4bdc42daa0034098526f45655208b2b7d39bc6a6f739ba7e1ead3104a6bdd929e311a620cd

                • C:\Users\Admin\AppData\Roaming\Teste.exe
                  Filesize

                  179KB

                  MD5

                  a019524e37f4d720d524b115b5d83f0c

                  SHA1

                  d6966cb69cea2c3b8eec893210a1efd80cfc3179

                  SHA256

                  efa52eaf124f191c42b55e40d719ca1382d9953280741debb07a32aba87d45a6

                  SHA512

                  375e5b58e99695b69c93b456ef0c13f7efd9e2bab79228136d0350b4fd137b6fd449469fc10265a019f75897a9f70f6c8a6509135b3cd95ff70f34b203697a33

                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch
                  Filesize

                  820B

                  MD5

                  a5f2d6f4b9866a5abf6cc696d499be4b

                  SHA1

                  442a5ced89eb2837957c255deaa2f3659f986a63

                  SHA256

                  7aa44e5cb81085f4d74b925a5cae116a3ae6dfe66eb54438ca8695e9e736de58

                  SHA512

                  37abca77062980537e57ffd72c5ed53bab6f2fae854103ecc4da0987dd930c6faf12777d199140d36ed778eb1b9dc11562d54ba7b65c1329d2b2aff747ff7bb0

                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch
                  Filesize

                  478B

                  MD5

                  af00ead251ceb043a35cf559bd0dd049

                  SHA1

                  f5e3d42d244daf3c4cfb5c4aca4644fc1f65ff9d

                  SHA256

                  2af4420f80b27fac120b86b8a1ac71f7557674ed0b41aa053444ca7c8d9dfd82

                  SHA512

                  3337379587f1f149754a9cfb70859c67ce59234f44be58faef1f1d30fb40e8337e2bae02e50ede452fc86a9ee24c45513879f0f90a84f19a96477a051f4b9fcd

                • memory/936-33-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/936-23-0x0000000001990000-0x00000000019A0000-memory.dmp
                  Filesize

                  64KB

                • memory/936-12-0x0000000000400000-0x0000000000418000-memory.dmp
                  Filesize

                  96KB

                • memory/936-14-0x0000000000400000-0x0000000000418000-memory.dmp
                  Filesize

                  96KB

                • memory/936-26-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/936-16-0x0000000000400000-0x0000000000418000-memory.dmp
                  Filesize

                  96KB

                • memory/1696-2-0x0000000001AB0000-0x0000000001AC0000-memory.dmp
                  Filesize

                  64KB

                • memory/1696-25-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1696-1-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1696-0-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1844-4-0x0000000000400000-0x0000000000422000-memory.dmp
                  Filesize

                  136KB

                • memory/1844-18-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1844-13-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1844-15-0x0000000000DB0000-0x0000000000DC0000-memory.dmp
                  Filesize

                  64KB

                • memory/1844-5-0x0000000000400000-0x0000000000422000-memory.dmp
                  Filesize

                  136KB

                • memory/1844-24-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1844-3-0x0000000000400000-0x0000000000422000-memory.dmp
                  Filesize

                  136KB

                • memory/1868-34-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1868-35-0x0000000001940000-0x0000000001950000-memory.dmp
                  Filesize

                  64KB

                • memory/1868-30-0x0000000000400000-0x000000000040C000-memory.dmp
                  Filesize

                  48KB

                • memory/1868-47-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1868-29-0x0000000000400000-0x000000000040C000-memory.dmp
                  Filesize

                  48KB

                • memory/1868-28-0x0000000000400000-0x000000000040C000-memory.dmp
                  Filesize

                  48KB

                • memory/1992-94-0x0000000000FD0000-0x0000000000FE0000-memory.dmp
                  Filesize

                  64KB

                • memory/1992-93-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1992-90-0x0000000000FD0000-0x0000000000FE0000-memory.dmp
                  Filesize

                  64KB

                • memory/1992-91-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/1992-89-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/2524-80-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/2524-81-0x0000000000EA0000-0x0000000000EB0000-memory.dmp
                  Filesize

                  64KB

                • memory/2524-88-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/3176-67-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/3176-51-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/3176-49-0x00000000015B0000-0x00000000015C0000-memory.dmp
                  Filesize

                  64KB

                • memory/3176-48-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/5012-72-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/5012-76-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB

                • memory/5012-70-0x0000000000DC0000-0x0000000000DD0000-memory.dmp
                  Filesize

                  64KB

                • memory/5012-68-0x0000000074950000-0x0000000074F01000-memory.dmp
                  Filesize

                  5.7MB