Analysis

  • max time kernel
    308s
  • max time network
    276s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:38

General

  • Target

    http://milavado.com/dijej

Malware Config

Extracted

Family

kutaki

C2

http://treysbeatend.com/laptop/squared.php

http://terebinnahicc.club/sec/kool.txt

Signatures

  • Kutaki

    Information stealer and keylogger that hides inside legitimate Visual Basic applications.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://milavado.com/dijej
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa7fdb9758,0x7ffa7fdb9768,0x7ffa7fdb9778
      2⤵
        PID:2732
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1724 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:2
        2⤵
          PID:2772
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2136 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
          2⤵
            PID:884
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2224 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
            2⤵
              PID:4868
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2960 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
              2⤵
                PID:1276
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2968 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
                2⤵
                  PID:228
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4612 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
                  2⤵
                    PID:756
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4844 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                    2⤵
                      PID:4816
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5452 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                      2⤵
                        PID:4980
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5548 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                        2⤵
                          PID:1656
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=4824 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
                          2⤵
                            PID:864
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=5460 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
                            2⤵
                              PID:3740
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=5808 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:1
                              2⤵
                                PID:3052
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5984 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                                2⤵
                                  PID:2408
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6136 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                                  2⤵
                                    PID:1448
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4756 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:8
                                    2⤵
                                      PID:3184
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4756 --field-trial-handle=1708,i,14070136610617103988,9012916646023549841,131072 /prefetch:2
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:2728
                                  • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                    "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                    1⤵
                                      PID:1352
                                    • C:\Windows\System32\rundll32.exe
                                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                      1⤵
                                        PID:2564
                                      • C:\Program Files\7-Zip\7zG.exe
                                        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Tracking Info\" -ad -an -ai#7zMap4692:90:7zEvent24162
                                        1⤵
                                        • Suspicious use of FindShellTrayWindow
                                        PID:3864
                                      • C:\Windows\system32\svchost.exe
                                        C:\Windows\system32\svchost.exe -k SDRSVC
                                        1⤵
                                          PID:1192
                                        • C:\Users\Admin\Downloads\Tracking Info\Tracking Info\Tracking Info.bat
                                          "C:\Users\Admin\Downloads\Tracking Info\Tracking Info\Tracking Info.bat"
                                          1⤵
                                          • Drops startup file
                                          • Suspicious use of SetWindowsHookEx
                                          PID:2748
                                          • C:\Windows\SysWOW64\cmd.exe
                                            cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                            2⤵
                                              PID:4372
                                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qryfnofk.exe
                                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qryfnofk.exe"
                                              2⤵
                                              • Executes dropped EXE
                                              • Suspicious use of SetWindowsHookEx
                                              PID:3644
                                          • C:\Windows\System32\NOTEPAD.EXE
                                            "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Downloads\Tracking Info\Tracking Info\Tracking Info.bat
                                            1⤵
                                              PID:4724

                                            Network

                                            MITRE ATT&CK Matrix ATT&CK v13

                                            Discovery

                                            System Information Discovery

                                            2
                                            T1082

                                            Query Registry

                                            1
                                            T1012

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              Filesize

                                              1KB

                                              MD5

                                              eaa96ea0f8a643aef9e2476bbafe12b3

                                              SHA1

                                              1d4687bcc80d2dc348373be4398ddf2cb5c6ff14

                                              SHA256

                                              10ba0fafbe5e0f5f51f6132eb9df0029389de3fdc80e09e65ffd2e9056d21cd3

                                              SHA512

                                              f1631496c5b8e006239b5ab4ec2d5aabf8a698b2cf56b9d2946ef35d9a63677bb2d23009c8a11361791a7c8291aa6da20134aec25c4321a5fb348905491ba3d2

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              Filesize

                                              701B

                                              MD5

                                              89b62e1942b37fb83e7c363fa2b56563

                                              SHA1

                                              a8ef0644bacdd64bd45565e981f3e8a24af1d1b9

                                              SHA256

                                              40288afbca82c8edf558870755867e748bbb2a0d0ec48133d8a8cb2753c09d85

                                              SHA512

                                              83e82367c931c35d2f8c5533c28492effc8db73e24372055a022965396865f968848697ea26506dd9b284e3d14c01d9d6e63da90ac68e046a375bab58c9e7bd0

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              Filesize

                                              699B

                                              MD5

                                              624af615569015ed339b5b7f7c5e7cbe

                                              SHA1

                                              77a8792ea4a045da76023a3e02ac05ff26fa0820

                                              SHA256

                                              3b20a37ef6501d9d4ead447330b19c76b14301888eb523e6bb327d935adc5142

                                              SHA512

                                              60b802b95facd447a2153eed26cfe13dc1cecf693ddb030bbd38753d4a5d9d0cf58efa77e9bf7db0a51d263c3708110c1f26f2d93d3c25a1f17d62f60d8e3ee5

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              Filesize

                                              6KB

                                              MD5

                                              dc9af52946dc190cc7fe92b104ea3829

                                              SHA1

                                              aa1b7b10ea7f510783602ef66cddc7015aa85d8f

                                              SHA256

                                              df018782d2f4b340150c33a362ebac27fb2413630b29671d319873218ece644c

                                              SHA512

                                              9938e4d6acefa5890e6a51b577d3a40892f0e9770a349d83811a41c9b46e2cae5223b6805bf61e4a9c72014d0a8c95b219d5c6de32d570230ac1a60656365e5e

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              Filesize

                                              6KB

                                              MD5

                                              17a1905cc835e85b419d9601436e4006

                                              SHA1

                                              3f2cccadb32427a9902d94b66e8ac2a50c566c76

                                              SHA256

                                              2097bcd74868e8d47e2d9eb8497311f14c9eeac428c83a927aa0e76d4b6cebf8

                                              SHA512

                                              4b99ca390839b678745acfbd32655f87e8859805c7494092bfc3bccb3eeb8592894c450004c52f6f915a4af004ac7c94effbc833ace5e0e461722f8f43696c64

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              Filesize

                                              128KB

                                              MD5

                                              7b3b7df207b1a9acc7a6231aa61521b8

                                              SHA1

                                              9d0c4b40712d1a0e4113391c958c9af9c081e6c7

                                              SHA256

                                              a92aa49e5ef9170a9be6bbc6bb18561f6b99ea318f9c9e30ab86822b15544959

                                              SHA512

                                              1a72a09f44ae11572d556d6f1bc25da91ccbb7a0beb3443b1386c65b15d68738966e43696d856d361a3fa46f6014f317d9df292ba048a1dfb0607e1d2928ece8

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              Filesize

                                              128KB

                                              MD5

                                              e6702a2fc94b99ea665f7c2c1272f8e6

                                              SHA1

                                              cf9532b17c7533ca89ec9fe851af6f3923e68e06

                                              SHA256

                                              c482f4ba94852c60309c8715a220a12c7763cdbd9c5d9dfec098d1bef6a3b982

                                              SHA512

                                              6760b2848934568652ba37c5fa92bb9c4960a78b972f1b1f05d9f1ebbea75d5da46eeea2fb9c0e206019c52870cbe44f5f7f9d8b83729a345d2a72ee032427be

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              Filesize

                                              128KB

                                              MD5

                                              a47ce26504c7ce01e6c4718d872a904d

                                              SHA1

                                              f24d5d73815a660455ae8f2dbd52ee35791390e8

                                              SHA256

                                              d185a53ba6862f1aebad7aa8f4216007c5e5cd5503fa7c0321ab4574189349b6

                                              SHA512

                                              f6ad17db260a8d560b403fd3a4f7f93cf6a6448b9b417ef67d9878fb642e03675a3dd0f24b7889e5662c462794426c21dfc1f63cad60542c7e1dd49638f62db9

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                                              Filesize

                                              107KB

                                              MD5

                                              30f53f0eeeeb12421eb02dfacf54c878

                                              SHA1

                                              5045ac6bc6c0090224c79256f7e90f4f7fa4ddaf

                                              SHA256

                                              b948f38ad8ad8f704edaf0ca115f275168d2dcbeea668a3f21191a466e509050

                                              SHA512

                                              5d8bb8ad3a2bff39499088c73891277ea04a2b06ecba86f87d8a636e7afb539a623326d93c89e11878902e8bd56d10359031b7c29100b6e3fe8f442eea51e223

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe58dcbf.TMP
                                              Filesize

                                              103KB

                                              MD5

                                              db12c078a5220b4955ddf96f2a4107f8

                                              SHA1

                                              53df6beb5bb961867b344dacace2f8cf730f2a23

                                              SHA256

                                              6ebefee17e1309ec2d60204449a4fc9c4137a32d068e9a7b68ed1744c30778e8

                                              SHA512

                                              c5a188d8dbeafdc5c8eb668298271ad656c2675fe3d7c848c3029c0b3d6114b95ca48226adcd86951862bb3d84f4b384c1e3bae1576a26c37284551dfe535545

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                              Filesize

                                              2B

                                              MD5

                                              99914b932bd37a50b983c5e7c90ae93b

                                              SHA1

                                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                              SHA256

                                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                              SHA512

                                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qryfnofk.exe
                                              Filesize

                                              468KB

                                              MD5

                                              e7aa11f840cdb5f9e3d365cad47882e7

                                              SHA1

                                              168936fdc3b92cd17d12f3ff4907d0d5685f9886

                                              SHA256

                                              6cb622e12fd1a29ef17c90666a03f467207b22753a7c3d50c411d1e3f9c392b9

                                              SHA512

                                              6bf9efabf71aacc9a0402db9ef3930af15996c60972f1515e1cf2ce9617070b64df6f75123802f1dd6179f9003dd1660e0a6fbab70f3e3a59d40c29cc32462e7

                                            • C:\Users\Admin\Downloads\Tracking Info.zipx
                                              Filesize

                                              325KB

                                              MD5

                                              84f858c6c0774861c9ffa4f62c9b9bba

                                              SHA1

                                              feb11559a76757426097c6422d6960e6cebf2697

                                              SHA256

                                              6e6dd23520a4b3466bb6032c3352cdd81fd80dc54e00ef2da5a6df0a2cf9016c

                                              SHA512

                                              d98ef671d400d51adde07bca7e3e01245196cb347f3542d32d8a24f3b3b4b709541a305fa627d3bf64cd0e9fe79aee78dc192d9f283cf66fed9af671e31db1df

                                            • \??\pipe\crashpad_4932_VZBWDPTTEVZOZNYV
                                              MD5

                                              d41d8cd98f00b204e9800998ecf8427e

                                              SHA1

                                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                                              SHA256

                                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                              SHA512

                                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e