Analysis

  • max time kernel
    144s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 10:32

General

  • Target

    FpsOptimizer_ByKartavik.exe

  • Size

    93KB

  • MD5

    d237e408910476961e94940e0e300631

  • SHA1

    9b1a29d36388d28235222bf3b32ac47f6e8dc13b

  • SHA256

    8e160e868cc17f09e587f9c8cc096ff46eed03bdd999cd18763eb15ed9ddf8bd

  • SHA512

    2c5b44b37934dabeadd8252ed387f660718b46dae2843299d86b20a30974efcc769fe487dcba49b410219e6ee01b4f7f681240b69bd7dce45dc4b438268e3889

  • SSDEEP

    768:fY3vsVnkpjTMpALPGMtsas88EtNXhU9Y1mxCXxrjEtCdnl2pi1Rz4Rk3SsGdpAgM:es9kVbPGHz88Eb71pjEwzGi1dDODAgS

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

4.tcp.eu.ngrok.io:18315

Mutex

86527a0b606570ff7c73b8515a1d871b

Attributes
  • reg_key

    86527a0b606570ff7c73b8515a1d871b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Disables Task Manager via registry modification
  • Modifies Windows Firewall 2 TTPs 31 IoCs
  • Drops startup file 24 IoCs
  • Executes dropped EXE 21 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 64 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 53 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FpsOptimizer_ByKartavik.exe
    "C:\Users\Admin\AppData\Local\Temp\FpsOptimizer_ByKartavik.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2940
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2016
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2804
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2524
        • C:\Users\Admin\AppData\Roaming\server.exe
          "C:\Users\Admin\AppData\Roaming\server.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3056
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2860
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:696
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1548
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1760
            • C:\Users\Admin\AppData\Roaming\server.exe
              "C:\Users\Admin\AppData\Roaming\server.exe"
              6⤵
              • Drops startup file
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:624
              • C:\Windows\SysWOW64\netsh.exe
                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                7⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                • System Location Discovery: System Language Discovery
                PID:1800
              • C:\Windows\SysWOW64\netsh.exe
                netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                7⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                • System Location Discovery: System Language Discovery
                PID:2532
              • C:\Windows\SysWOW64\netsh.exe
                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                7⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                • System Location Discovery: System Language Discovery
                PID:2300
              • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:632
                • C:\Users\Admin\AppData\Roaming\server.exe
                  "C:\Users\Admin\AppData\Roaming\server.exe"
                  8⤵
                  • Drops startup file
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2608
                  • C:\Windows\SysWOW64\netsh.exe
                    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                    9⤵
                    • Modifies Windows Firewall
                    • Event Triggered Execution: Netsh Helper DLL
                    • System Location Discovery: System Language Discovery
                    PID:1616
                  • C:\Windows\SysWOW64\netsh.exe
                    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                    9⤵
                    • Modifies Windows Firewall
                    • Event Triggered Execution: Netsh Helper DLL
                    • System Location Discovery: System Language Discovery
                    PID:1236
                  • C:\Windows\SysWOW64\netsh.exe
                    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                    9⤵
                    • Modifies Windows Firewall
                    • Event Triggered Execution: Netsh Helper DLL
                    • System Location Discovery: System Language Discovery
                    PID:1128
                  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                    9⤵
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • System Location Discovery: System Language Discovery
                    PID:3044
                    • C:\Users\Admin\AppData\Roaming\server.exe
                      "C:\Users\Admin\AppData\Roaming\server.exe"
                      10⤵
                      • Drops startup file
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • System Location Discovery: System Language Discovery
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3048
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                        11⤵
                        • Modifies Windows Firewall
                        • Event Triggered Execution: Netsh Helper DLL
                        • System Location Discovery: System Language Discovery
                        PID:2812
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                        11⤵
                        • Modifies Windows Firewall
                        • Event Triggered Execution: Netsh Helper DLL
                        • System Location Discovery: System Language Discovery
                        PID:1872
                      • C:\Windows\SysWOW64\netsh.exe
                        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                        11⤵
                        • Modifies Windows Firewall
                        • Event Triggered Execution: Netsh Helper DLL
                        • System Location Discovery: System Language Discovery
                        PID:940
                      • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                        11⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • System Location Discovery: System Language Discovery
                        PID:1108
                        • C:\Users\Admin\AppData\Roaming\server.exe
                          "C:\Users\Admin\AppData\Roaming\server.exe"
                          12⤵
                          • Drops startup file
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: GetForegroundWindowSpam
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2384
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                            13⤵
                            • Modifies Windows Firewall
                            • Event Triggered Execution: Netsh Helper DLL
                            • System Location Discovery: System Language Discovery
                            PID:2032
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                            13⤵
                            • Modifies Windows Firewall
                            • Event Triggered Execution: Netsh Helper DLL
                            • System Location Discovery: System Language Discovery
                            PID:2412
                          • C:\Windows\SysWOW64\netsh.exe
                            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                            13⤵
                            • Modifies Windows Firewall
                            • Event Triggered Execution: Netsh Helper DLL
                            • System Location Discovery: System Language Discovery
                            PID:2672
                          • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                            "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                            13⤵
                            • Executes dropped EXE
                            • Loads dropped DLL
                            • System Location Discovery: System Language Discovery
                            PID:768
                            • C:\Users\Admin\AppData\Roaming\server.exe
                              "C:\Users\Admin\AppData\Roaming\server.exe"
                              14⤵
                              • Drops startup file
                              • Executes dropped EXE
                              • Loads dropped DLL
                              • System Location Discovery: System Language Discovery
                              • Suspicious behavior: GetForegroundWindowSpam
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2776
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                15⤵
                                • Modifies Windows Firewall
                                • Event Triggered Execution: Netsh Helper DLL
                                • System Location Discovery: System Language Discovery
                                PID:2628
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                                15⤵
                                • Modifies Windows Firewall
                                • Event Triggered Execution: Netsh Helper DLL
                                • System Location Discovery: System Language Discovery
                                PID:1204
                              • C:\Windows\SysWOW64\netsh.exe
                                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                15⤵
                                • Modifies Windows Firewall
                                • Event Triggered Execution: Netsh Helper DLL
                                • System Location Discovery: System Language Discovery
                                PID:2576
                              • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                                "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                                15⤵
                                • Executes dropped EXE
                                • Loads dropped DLL
                                • System Location Discovery: System Language Discovery
                                PID:1512
                                • C:\Users\Admin\AppData\Roaming\server.exe
                                  "C:\Users\Admin\AppData\Roaming\server.exe"
                                  16⤵
                                  • Drops startup file
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  • System Location Discovery: System Language Discovery
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:1628
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                    17⤵
                                    • Modifies Windows Firewall
                                    • Event Triggered Execution: Netsh Helper DLL
                                    • System Location Discovery: System Language Discovery
                                    PID:1624
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                                    17⤵
                                    • Modifies Windows Firewall
                                    • Event Triggered Execution: Netsh Helper DLL
                                    • System Location Discovery: System Language Discovery
                                    PID:2516
                                  • C:\Windows\SysWOW64\netsh.exe
                                    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                    17⤵
                                    • Modifies Windows Firewall
                                    • Event Triggered Execution: Netsh Helper DLL
                                    • System Location Discovery: System Language Discovery
                                    PID:2480
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                                    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                                    17⤵
                                    • Executes dropped EXE
                                    • Loads dropped DLL
                                    • System Location Discovery: System Language Discovery
                                    PID:3064
                                    • C:\Users\Admin\AppData\Roaming\server.exe
                                      "C:\Users\Admin\AppData\Roaming\server.exe"
                                      18⤵
                                      • Drops startup file
                                      • Executes dropped EXE
                                      • Loads dropped DLL
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:1264
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                        19⤵
                                        • Modifies Windows Firewall
                                        • Event Triggered Execution: Netsh Helper DLL
                                        • System Location Discovery: System Language Discovery
                                        PID:2824
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                                        19⤵
                                        • Modifies Windows Firewall
                                        • System Location Discovery: System Language Discovery
                                        PID:1084
                                      • C:\Windows\SysWOW64\netsh.exe
                                        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                        19⤵
                                        • Modifies Windows Firewall
                                        • Event Triggered Execution: Netsh Helper DLL
                                        • System Location Discovery: System Language Discovery
                                        PID:980
                                      • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                                        "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                                        19⤵
                                        • Executes dropped EXE
                                        • Loads dropped DLL
                                        • System Location Discovery: System Language Discovery
                                        PID:1652
                                        • C:\Users\Admin\AppData\Roaming\server.exe
                                          "C:\Users\Admin\AppData\Roaming\server.exe"
                                          20⤵
                                          • Drops startup file
                                          • Executes dropped EXE
                                          • Loads dropped DLL
                                          • System Location Discovery: System Language Discovery
                                          • Suspicious behavior: GetForegroundWindowSpam
                                          • Suspicious use of AdjustPrivilegeToken
                                          PID:1592
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                            21⤵
                                            • Modifies Windows Firewall
                                            • Event Triggered Execution: Netsh Helper DLL
                                            • System Location Discovery: System Language Discovery
                                            PID:1340
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe"
                                            21⤵
                                            • Modifies Windows Firewall
                                            • Event Triggered Execution: Netsh Helper DLL
                                            • System Location Discovery: System Language Discovery
                                            PID:1960
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                            21⤵
                                            • Modifies Windows Firewall
                                            • Event Triggered Execution: Netsh Helper DLL
                                            • System Location Discovery: System Language Discovery
                                            PID:2196
                                          • C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
                                            "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
                                            21⤵
                                            • Executes dropped EXE
                                            • Loads dropped DLL
                                            • System Location Discovery: System Language Discovery
                                            PID:2656
                                            • C:\Users\Admin\AppData\Roaming\server.exe
                                              "C:\Users\Admin\AppData\Roaming\server.exe"
                                              22⤵
                                              • Drops startup file
                                              • Executes dropped EXE
                                              • System Location Discovery: System Language Discovery
                                              • Suspicious behavior: GetForegroundWindowSpam
                                              PID:2328
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
                                                23⤵
                                                • Modifies Windows Firewall
                                                • Event Triggered Execution: Netsh Helper DLL
                                                • System Location Discovery: System Language Discovery
                                                PID:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41B

    MD5

    964ddaa3491c746b5ef7e7fb6b653384

    SHA1

    1bb95b5f8f514d2840cf399812631f2838979452

    SHA256

    157eee8b1b5ad0c0beac03f59dc40c5326eae961d495cde8deb3625537810adb

    SHA512

    a06d3735cc7e5c707b52082a061eeb0fd2298c7bdc9ff476de1d0062ae716a6ed757d3aba6e7f36d76dbe0e69349c6bef7e3f840c0516500ddd0bf0d90497752

  • C:\Users\Admin\AppData\Roaming\app

    Filesize

    5B

    MD5

    c60feebd511c87b86dea130692995a0f

    SHA1

    d64447a8b3d8949cab5a1f8d168f7c6fee6b6a0a

    SHA256

    632994320c04707e7ef564b3e983a694170561659552a24dfe14a922dcf0f511

    SHA512

    bf03fbf3329c6f7a21ecd620319ef1a6f676b22a27afd24aab546483c3fe5f6eee7bbcfdc14c5f6626957f2b96519bdd21aaea45d74a80253fa4220c8c12df7c

  • \Users\Admin\AppData\Roaming\server.exe

    Filesize

    93KB

    MD5

    d237e408910476961e94940e0e300631

    SHA1

    9b1a29d36388d28235222bf3b32ac47f6e8dc13b

    SHA256

    8e160e868cc17f09e587f9c8cc096ff46eed03bdd999cd18763eb15ed9ddf8bd

    SHA512

    2c5b44b37934dabeadd8252ed387f660718b46dae2843299d86b20a30974efcc769fe487dcba49b410219e6ee01b4f7f681240b69bd7dce45dc4b438268e3889

  • memory/1688-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB

  • memory/1688-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1688-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1688-14-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-15-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-16-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-17-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-22-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-42-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB