Analysis

  • max time kernel
    161s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 22:10

General

  • Target

    9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe

  • Size

    699KB

  • MD5

    5abd9a7429df3a6f3fab1c4da9740e2e

  • SHA1

    b6c1833a87cc3f904bfe8356c677cd4f57b3aafd

  • SHA256

    9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371

  • SHA512

    7810650ed0725d4f201d4864d21ee32d32b5a134af6d5653cee74c2af8e4ed8ec4bba4a83a633188b0ccf4176dead3874c7016cfe666431dc84e9cdb97c5b4de

  • SSDEEP

    12288:IhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4a6AiDyc:wRmJkcoQricOIQxiZY1iaDiDyc

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Slaves1

C2

zafarullah.zapto.org:1604

Mutex

d2af1d61020cbaaa665444e49c2e50d8

Attributes
  • reg_key

    d2af1d61020cbaaa665444e49c2e50d8

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe
    "C:\Users\Admin\AppData\Local\Temp\9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe
      "C:\Users\Admin\AppData\Local\Temp\9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4820
        • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ff9072e46f8,0x7ff9072e4708,0x7ff9072e4718
          4⤵
            PID:4000
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2208 /prefetch:2
            4⤵
              PID:1872
            • 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=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1840
            • 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=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2700 /prefetch:8
              4⤵
                PID:5100
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3300 /prefetch:1
                4⤵
                  PID:1356
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3376 /prefetch:1
                  4⤵
                    PID:3944
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4076 /prefetch:1
                    4⤵
                      PID:2568
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4392 /prefetch:8
                      4⤵
                        PID:4376
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5980 /prefetch:8
                        4⤵
                          PID:4568
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6128 /prefetch:1
                          4⤵
                            PID:2296
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6184 /prefetch:1
                            4⤵
                              PID:2308
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4860 /prefetch:1
                              4⤵
                                PID:4472
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6448 /prefetch:1
                                4⤵
                                  PID:1276
                                • 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=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1264 /prefetch:8
                                  4⤵
                                    PID:1240
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                    4⤵
                                    • Drops file in Program Files directory
                                    PID:4296
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x224,0x228,0x22c,0x200,0x230,0x7ff60b2f5460,0x7ff60b2f5470,0x7ff60b2f5480
                                      5⤵
                                        PID:2324
                                    • 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=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1264 /prefetch:8
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4084
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6972 /prefetch:8
                                      4⤵
                                        PID:5016
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,15286273942703718984,4552110826022071602,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4224 /prefetch:2
                                        4⤵
                                          PID:936
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                        3⤵
                                          PID:4796
                                          • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ff9072e46f8,0x7ff9072e4708,0x7ff9072e4718
                                            4⤵
                                              PID:2300
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:3688

                                        Network

                                        MITRE ATT&CK Matrix ATT&CK v6

                                        Persistence

                                        Registry Run Keys / Startup Folder

                                        1
                                        T1060

                                        Defense Evasion

                                        Modify Registry

                                        1
                                        T1112

                                        Discovery

                                        System Information Discovery

                                        2
                                        T1082

                                        Query Registry

                                        1
                                        T1012

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          Filesize

                                          152B

                                          MD5

                                          7b4b103831d353776ed8bfcc7676f9df

                                          SHA1

                                          40f33a3f791fda49a35224a469cc67b94ca53a23

                                          SHA256

                                          bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                          SHA512

                                          5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          Filesize

                                          152B

                                          MD5

                                          7b4b103831d353776ed8bfcc7676f9df

                                          SHA1

                                          40f33a3f791fda49a35224a469cc67b94ca53a23

                                          SHA256

                                          bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                          SHA512

                                          5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                        • C:\Users\Admin\AppData\Local\Temp\9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371.exe
                                          Filesize

                                          699KB

                                          MD5

                                          5abd9a7429df3a6f3fab1c4da9740e2e

                                          SHA1

                                          b6c1833a87cc3f904bfe8356c677cd4f57b3aafd

                                          SHA256

                                          9753221afc815352348934c615626463392b7bc6730bd4f2b53ad3d268532371

                                          SHA512

                                          7810650ed0725d4f201d4864d21ee32d32b5a134af6d5653cee74c2af8e4ed8ec4bba4a83a633188b0ccf4176dead3874c7016cfe666431dc84e9cdb97c5b4de

                                        • \??\pipe\LOCAL\crashpad_4820_SJAGJNVZTNZTQXNS
                                          MD5

                                          d41d8cd98f00b204e9800998ecf8427e

                                          SHA1

                                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                                          SHA256

                                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                          SHA512

                                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                        • memory/936-170-0x0000000000000000-mapping.dmp
                                        • memory/1276-164-0x0000000000000000-mapping.dmp
                                        • memory/1356-148-0x0000000000000000-mapping.dmp
                                        • memory/1840-139-0x0000000000000000-mapping.dmp
                                        • memory/1872-138-0x0000000000000000-mapping.dmp
                                        • memory/2296-158-0x0000000000000000-mapping.dmp
                                        • memory/2300-144-0x0000000000000000-mapping.dmp
                                        • memory/2308-160-0x0000000000000000-mapping.dmp
                                        • memory/2324-166-0x0000000000000000-mapping.dmp
                                        • memory/2568-152-0x0000000000000000-mapping.dmp
                                        • memory/3944-150-0x0000000000000000-mapping.dmp
                                        • memory/4000-136-0x0000000000000000-mapping.dmp
                                        • memory/4084-167-0x0000000000000000-mapping.dmp
                                        • memory/4296-165-0x0000000000000000-mapping.dmp
                                        • memory/4376-154-0x0000000000000000-mapping.dmp
                                        • memory/4472-162-0x0000000000000000-mapping.dmp
                                        • memory/4568-156-0x0000000000000000-mapping.dmp
                                        • memory/4796-143-0x0000000000000000-mapping.dmp
                                        • memory/4820-135-0x0000000000000000-mapping.dmp
                                        • memory/4860-132-0x0000000000000000-mapping.dmp
                                        • memory/4860-133-0x00000000000D0000-0x00000000000DE000-memory.dmp
                                          Filesize

                                          56KB

                                        • memory/5016-169-0x0000000000000000-mapping.dmp
                                        • memory/5100-142-0x0000000000000000-mapping.dmp