Resubmissions

27/07/2024, 17:06

240727-vmgkcazalm3

26/07/2024, 12:17

240726-pf8gla1bjf10

Analysis

  • max time kernel
    70s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 12:17

Errors

Reason
Machine shutdown

General

  • Target
    https://mega.nz/file/bKZDkJrS#K7HVReWsrrV7tyY0uJaezZ-J0qrB6NT6p3Ijj8EkmPg
  • Sample240726-pf8gla1bjf

Malware Config

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • HacKed

C2
  • 127.0.0.1:5552

Mutex
  • Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://mega.nz/file/bKZDkJrS#K7HVReWsrrV7tyY0uJaezZ-J0qrB6NT6p3Ijj8EkmPg
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3108
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffedab946f8,0x7ffedab94708,0x7ffedab94718
      2⤵
        PID:1248
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:2
        2⤵
          PID:4672
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2172 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2424
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
          2⤵
            PID:3048
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
            2⤵
              PID:1032
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3292 /prefetch:1
              2⤵
                PID:2448
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5308 /prefetch:1
                2⤵
                  PID:1796
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5324 /prefetch:1
                  2⤵
                    PID:3332
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5720 /prefetch:8
                    2⤵
                      PID:856
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5720 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4628
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3332 /prefetch:8
                      2⤵
                        PID:4904
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3320 /prefetch:1
                        2⤵
                          PID:5204
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5812 /prefetch:1
                          2⤵
                            PID:5212
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5540 /prefetch:8
                            2⤵
                              PID:5680
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5404 /prefetch:1
                              2⤵
                                PID:5688
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2100,17353988228721046455,1963351678303393759,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5592 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:5700
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3452
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:640
                                • C:\Windows\system32\AUDIODG.EXE
                                  C:\Windows\system32\AUDIODG.EXE 0x490 0x308
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:732
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:5992
                                  • C:\Users\Admin\AppData\Local\Temp\Temp1_contact-manager-portable.zip\contactmanager.exe
                                    "C:\Users\Admin\AppData\Local\Temp\Temp1_contact-manager-portable.zip\contactmanager.exe"
                                    1⤵
                                    • System Location Discovery: System Language Discovery
                                    • Suspicious behavior: GetForegroundWindowSpam
                                    PID:6040
                                    • C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
                                      "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
                                      2⤵
                                      • Drops startup file
                                      • Executes dropped EXE
                                      • Adds Run key to start application
                                      • System Location Discovery: System Language Discovery
                                      • Suspicious behavior: GetForegroundWindowSpam
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:2280
                                      • C:\Windows\SysWOW64\schtasks.exe
                                        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
                                        3⤵
                                        • System Location Discovery: System Language Discovery
                                        • Scheduled Task/Job: Scheduled Task
                                        PID:1388
                                  • C:\Users\Admin\Downloads\contact-manager-portable\contactmanager.exe
                                    "C:\Users\Admin\Downloads\contact-manager-portable\contactmanager.exe"
                                    1⤵
                                    • System Location Discovery: System Language Discovery
                                    PID:5912
                                  • C:\Windows\system32\LogonUI.exe
                                    "LogonUI.exe" /flags:0x4 /state0:0xa3917055 /state1:0x41c64e6d
                                    1⤵
                                    • Modifies data under HKEY_USERS
                                    • Suspicious use of SetWindowsHookEx
                                    PID:5100
                                  • C:\Windows\System32\rundll32.exe
                                    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
                                    1⤵
                                      PID:2248

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          contactmanager.exe.log

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\contactmanager.exe.log
                                          • Size 507B
                                          • SHA256 650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 e2d8de6c2323bbb3863ec50843d9b58a22e911fd626d31430658b9ea942cd307
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 fa6804456884789f4bdf9c3f5a4a8f29e0ededde149c4384072f3d8cc85bcc37
                                          • MD5 SHA1 SHA512

                                          the-real-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                          • Size 72B
                                          • SHA256 9e5c0f4122aa48b44244f07484159833fdd17eb76cf575721a961adbaac76285
                                          • MD5 SHA1 SHA512

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\CURRENT
                                          • Size 16B
                                          • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                          • MD5 SHA1 SHA512

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 5KB
                                          • SHA256 f90f2f7b34a4198f691d4fadf65a5b60bfa1711e4da56dae358e540e3dac4d03
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 b6e0b4cb03e55fc6c66fb2135511d6dfa497a3878395e8faae7b44332724b5ef
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 e22f63fe3d662f5ac27391a9dd8bad2804d97391a4efa702753e013cc2d513fe
                                          • MD5 SHA1 SHA512 SSDEEP

                                          MANIFEST-000001

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\Database\MANIFEST-000001
                                          • Size 41B
                                          • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                          • MD5 SHA1 SHA512

                                          the-real-index

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                          • Size 72B
                                          • SHA256 fee8fe0b3c07fdc12e607784c699a2bee4422d1d90aaa5df0f02a44dde01060a
                                          • MD5 SHA1 SHA512

                                          the-real-index~RFe57c8af.TMP

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57c8af.TMP
                                          • Size 48B
                                          • SHA256 cefc656c1fca8a66e28b28b8538b6c98e98c69e04b9fb9f371887cf589b1c49f
                                          • MD5 SHA1 SHA512

                                          CURRENT

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                          • Size 16B
                                          • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                          • MD5 SHA1 SHA512

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 11KB
                                          • SHA256 051f5850c71a859fd37eebbedd1f597a4ebdbf74bc4ec667e96c9195b452748f
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 11KB
                                          • SHA256 f1646beb07346779369880bab7c60f623dbe7a3dfe2f63722d4c5143beab9544
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Dllhost.exe

                                          • Path C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
                                          • Size 43KB
                                          • SHA256 1847908f9ea29e2ee609949ff2d24c9447de8a58c8b278f1c6f57c01650ba7a2
                                          • MD5 SHA1 SHA512 SSDEEP

                                          contact-manager-portable.zip

                                          • Path C:\Users\Admin\Downloads\contact-manager-portable.zip
                                          • Size 590KB
                                          • SHA256 563eaf1abc620b87546d8c0ae59ac2080b97e5adccbc5f6f4ce820180c7ec6d3
                                          • MD5 SHA1 SHA512 SSDEEP

                                          memory/2280-211-0x0000000005950000-0x000000000595A000-memory.dmp

                                          memory/6040-165-0x0000000005550000-0x00000000055E2000-memory.dmp

                                          memory/6040-164-0x0000000005A60000-0x0000000006004000-memory.dmp

                                          memory/6040-163-0x0000000005160000-0x00000000051FC000-memory.dmp

                                          memory/6040-162-0x0000000000760000-0x0000000000772000-memory.dmp