Resubmissions

12/03/2025, 22:22

250312-2amn6avwgw 10

12/03/2025, 22:11

250312-14cklswnz9 3

Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2025, 22:22

General

  • Target

    https://skgl.in/.well-known/acme-challenge/tools.html

Malware Config

Extracted

Family

kutaki

C2

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

Signatures

  • Kutaki

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

  • Kutaki family
  • Drops startup file 10 IoCs
  • Executes dropped EXE 5 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 19 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
  • Kills process with taskkill 4 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 30 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://skgl.in/.well-known/acme-challenge/tools.html
    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:1436
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffd7fdbcc40,0x7ffd7fdbcc4c,0x7ffd7fdbcc58
      2⤵
        PID:3364
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1920,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=1916 /prefetch:2
        2⤵
          PID:384
        • 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 --no-appcompat-clear --field-trial-handle=2168,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2184 /prefetch:3
          2⤵
            PID:4036
          • 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=service --no-appcompat-clear --field-trial-handle=2244,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2428 /prefetch:8
            2⤵
              PID:456
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3156,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3200 /prefetch:1
              2⤵
                PID:3140
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3164,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3236 /prefetch:1
                2⤵
                  PID:1820
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=3872,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4548 /prefetch:1
                  2⤵
                    PID:1608
                  • 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 --no-appcompat-clear --field-trial-handle=4904,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4952 /prefetch:8
                    2⤵
                      PID:1712
                    • 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 --no-appcompat-clear --field-trial-handle=4404,i,7823929606098624111,11876615656571295574,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4956 /prefetch:8
                      2⤵
                        PID:3328
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:3556
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:2284
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:3728
                          • C:\Users\Admin\Downloads\NEFT\NEFT.bat
                            "C:\Users\Admin\Downloads\NEFT\NEFT.bat"
                            1⤵
                            • Drops startup file
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:4512
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:916
                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe"
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:2848
                          • C:\Users\Admin\Downloads\NEFT\NEFT.bat
                            "C:\Users\Admin\Downloads\NEFT\NEFT.bat"
                            1⤵
                            • Drops startup file
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:4368
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:4340
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /im utqjypfk.exe /f
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              • Suspicious use of AdjustPrivilegeToken
                              PID:3692
                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe"
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:3344
                          • C:\Users\Admin\Downloads\NEFT\NEFT.bat
                            "C:\Users\Admin\Downloads\NEFT\NEFT.bat"
                            1⤵
                            • Drops startup file
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:960
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:2784
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /im utqjypfk.exe /f
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              PID:1652
                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe"
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:4732
                          • C:\Users\Admin\Downloads\NEFT\NEFT.bat
                            "C:\Users\Admin\Downloads\NEFT\NEFT.bat"
                            1⤵
                            • Drops startup file
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:4208
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:2744
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /im utqjypfk.exe /f
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              PID:2180
                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe"
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:4748
                          • C:\Users\Admin\Downloads\NEFT\NEFT.bat
                            "C:\Users\Admin\Downloads\NEFT\NEFT.bat"
                            1⤵
                            • Drops startup file
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of SetWindowsHookEx
                            PID:900
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                              • System Location Discovery: System Language Discovery
                              PID:3224
                            • C:\Windows\SysWOW64\taskkill.exe
                              taskkill /im utqjypfk.exe /f
                              2⤵
                              • System Location Discovery: System Language Discovery
                              • Kills process with taskkill
                              PID:3456
                            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe
                              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\utqjypfk.exe"
                              2⤵
                              • Executes dropped EXE
                              • System Location Discovery: System Language Discovery
                              • Suspicious use of SetWindowsHookEx
                              PID:2724

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            649B

                            MD5

                            26b341c94cef38617d79fe11ed4e4448

                            SHA1

                            71eee0c9faa745eddf25de0ead1c35c402de9d9a

                            SHA256

                            60ace50b94efa22c192908691954b75e038e92a4284fc51349824e81fb9a5a41

                            SHA512

                            526e5e21f5987e62d25acac9117e753d31ec36ad5c6740ca37cabe5b3de7a54ce5cb8bcf4b487e64d252507a2f8d67ea4d15e400c92afb71ff32fdcf4d970ea8

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

                            Filesize

                            2KB

                            MD5

                            d156701c7fc28e027f2b3428dee7fc29

                            SHA1

                            4292efd635b5214aaad6c65c1afe690b16e25302

                            SHA256

                            b5c60591471c1674aa86532efca39400e006a6735519f159119a7a0f9799fa2a

                            SHA512

                            de2212ae34b0e48ed12f8bd8f278897b4d06d6e49fae43fef5276cec757f3e8176551c5536b25812d990706f4d7eda918d4230ca355590a7b3b3bfa50440ea2c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                            Filesize

                            2B

                            MD5

                            d751713988987e9331980363e24189ce

                            SHA1

                            97d170e1550eee4afc0af065b78cda302a97674c

                            SHA256

                            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                            SHA512

                            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                            Filesize

                            690B

                            MD5

                            ce47c3a36823d3164673c55634eb4711

                            SHA1

                            dc3edea77ec53a34709b8966a35e08b0c8f15e47

                            SHA256

                            35a2118e1473d18778ac202b8aafe0e4997fc0acf699ce50a293d2b1f55300a7

                            SHA512

                            a5d55940b636f7a4f70cf28426c21c234e73996a24337348c026b74bfd92fce3d81470ea1c02e6de1e2e975025263e43c820ff599e2e95a5d2ea6b3d683469a4

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

                            Filesize

                            9KB

                            MD5

                            e9520f0fef7f9661fb04e8134af11ae9

                            SHA1

                            c0444b673478ec7c7f9f91657be46938275df5bf

                            SHA256

                            8d00d5cc0dc94bba84b2be809ebb85d960e10070312d2e63ea233e6cf2d33985

                            SHA512

                            5e185422c967b3eba2d5b21f8f911ef44705152e5e0beabd18a6a1f8e372ff7709dd7bad5441da3b5ce06f90191764ec591ff91587a9165455aaba79c8ba4504

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

                            Filesize

                            9KB

                            MD5

                            b5c1a26c3d895bc64f67da563d2a1d4a

                            SHA1

                            edbfd44146efa531344cbb53e3baeae9c4e62413

                            SHA256

                            ef280a24e98f25dd2fb2bd52932af7dc5c84c113342cba8026ed781d5f1afad2

                            SHA512

                            7ddb9c21954ec12b8d017186420352dc58e08b431f8a85db99095b85f8137db6a2679e5b5ee119233c24a1556a9a4bba0b40d36f401b277bee0622b5d84f9726

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

                            Filesize

                            9KB

                            MD5

                            e1247de64a551bed0180d2479372154d

                            SHA1

                            d7c1be9f77110c31bb136301aca179b731483630

                            SHA256

                            9b83ed561d3deefa1488a2554c1da8687db48ef8877dbc96f38d9591f62354b0

                            SHA512

                            59b10ab665f186751540c5b5d19a030f4213d2724f30ab960ed1dcd763b8c686af06082492c13d5ac0ee1ee6e6bb366ff3564dee413b9d1b6f41c4bef1092185

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

                            Filesize

                            9KB

                            MD5

                            d0d93fd7216e1b174985610b9e3b14ff

                            SHA1

                            245182693c1ad88ee71b34f5661fb3ad4b61dee2

                            SHA256

                            9f753e75cb920c4496ac04e74dba5731a4494c5e786fd835807784855788c782

                            SHA512

                            7c6e3c0bbe43c537fb7bd96f6b6c32a260aa84de7d4aa6453f43aa8a23451af500a1bddc3d4a88f48e7c86e7dcf7e7ace0ee9d23a11dbda868b52936022d4514

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

                            Filesize

                            9KB

                            MD5

                            1e32da5f07f22fd2569c3dc6c9e10c3f

                            SHA1

                            c6d07046fa017113f3dd3f10c6687cdebc3ce6e0

                            SHA256

                            3c210404c2d12b8e0f5d34a5235fdc3490b9a51c6c7c81bfc35b6d81064b4914

                            SHA512

                            42095ca18cc26b2ca8f5060f5d9c673c0b6da269a8a7e05dc76f9b7afd1d936a15db8c75a7f76c9799327bd380ee634abfa45bbc89338d76017c9cb4c289e005

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

                            Filesize

                            123KB

                            MD5

                            a71383193c8f35bceaba044a48e9923e

                            SHA1

                            edb15a03c46b7e4a784e2d9cb39ad7a84488ec32

                            SHA256

                            8eeb96885e1ff281691774d33f10604ebd5ee8fe99053cd646f5a460eae85901

                            SHA512

                            7d5bc1d80d458c87a6601ee7edbf45152cb3484660c56f24368cab095db460019e808df3e30e92c00353bcdfdf54bd8a285e3f951f0481f4df94e31375c45e47

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

                            Filesize

                            123KB

                            MD5

                            af03eedc63462359876c2ada19e9e71a

                            SHA1

                            0fe3c8b10815d7a42e80dd26c133de1254982244

                            SHA256

                            9a9c477d6c687217eafc32e248380e64861a14dd72948e7947222ba69f5dce20

                            SHA512

                            a759dc770a4fe099044db23407c909314a6f3635e265c898fe419645099737d7e54d25de5573d687b9d72c5949abc1a2aafae48915eb558b027e6d9ec6df5e68

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

                            Filesize

                            752KB

                            MD5

                            9dbd964a2bc35d8520e2a02d2a126482

                            SHA1

                            1b681ceec5e4598a6212071374277a5eedf98e3d

                            SHA256

                            94056903a54419a77beada550c2582de99ab9215f647949dee26cf5a5aa270b2

                            SHA512

                            f0f3a66d784615fa52819f6998b2bafc336474533fc5fbe2ab165e3d66d54c4342ad824ee305e194b2692707cdd6df9464dd987ee8961b2f903a456ccc1b4c5b