Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 22:22

General

  • Target

    http://admin.ujha.co.in/panel/ednee

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 2 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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 37 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://admin.ujha.co.in/panel/ednee
    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:448
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ffb12309758,0x7ffb12309768,0x7ffb12309778
      2⤵
        PID:1228
      • 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=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:2
        2⤵
          PID:568
        • 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=2168 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:8
          2⤵
            PID:4508
          • 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=2236 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:8
            2⤵
              PID:1648
            • 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=2944 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:1
              2⤵
                PID:696
              • 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=2964 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:1
                2⤵
                  PID:3200
                • 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=4576 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:1
                  2⤵
                    PID:5116
                  • 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=4564 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:8
                    2⤵
                      PID:2628
                    • 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=5136 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:8
                      2⤵
                        PID:3680
                      • 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=5224 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:8
                        2⤵
                          PID:4848
                        • 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=972 --field-trial-handle=1888,i,12137120007841042541,4614500252958441799,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3640
                      • 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:4840
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:4652
                          • C:\Program Files\7-Zip\7zFM.exe
                            "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\E-Invoice 88271.zipx"
                            1⤵
                            • Suspicious behavior: EnumeratesProcesses
                            • Suspicious behavior: GetForegroundWindowSpam
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of FindShellTrayWindow
                            PID:400
                            • C:\Users\Admin\AppData\Local\Temp\7zO0915C5C7\E-Invoice 8827.bat
                              "C:\Users\Admin\AppData\Local\Temp\7zO0915C5C7\E-Invoice 8827.bat"
                              2⤵
                              • Drops startup file
                              • Executes dropped EXE
                              • Suspicious use of SetWindowsHookEx
                              PID:2600
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                3⤵
                                  PID:3568
                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\usxaeefk.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\usxaeefk.exe"
                                  3⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetWindowsHookEx
                                  PID:1348

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              Filesize

                              1KB

                              MD5

                              e84b96bcee191e58081243dc2909d776

                              SHA1

                              dbc3a8225e21832244b44fac8fca7f6779b07e38

                              SHA256

                              4d8fb0fe2ba4675cf8b9e9374ea1ce45c3230225c1e16734026efef776184945

                              SHA512

                              e3fab3a7ac1ff7f0910d10eb165a622802a9475a2c02eaa195477f57bec3d58722ed3da8607fc6875fe05c963872a5bb80c1106c24921be5b7a932e7e53e004d

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

                              Filesize

                              705B

                              MD5

                              b2e124cda22b4d649642a4ba5e3c8b36

                              SHA1

                              b62c3bee8f2719c9be4ca0f344d28a86d4793ea2

                              SHA256

                              fe90f901378df1d3cd80e11a4d357e2774573d36f66caf0f0cb318f8b114bc88

                              SHA512

                              b0e851472ad6ea91ffe429c1af3f580acb46918e96159f39617c574a59ae6b94b4f9db7773bea1f5a190f639b63e60a603f18c14230b44a575164382c969573b

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\bd534b84-2da1-468b-97c3-34a531019260.tmp

                              Filesize

                              6KB

                              MD5

                              a7b40c5eeddf155a0654543485472d08

                              SHA1

                              c7942daf59dadb26f568c3e37423036f88f8dbe6

                              SHA256

                              ea555d4f5634edb292a62b3684291fa7cb67f8193f07e2d3a38ceb8a0dbd9c18

                              SHA512

                              298608c7a351594b1b91ee86ed4565d18dd42510e70c8fd4915606e29d9775933a07cb1f6a6786d5b70546f5680c7676fae7dcf8455449636e0aa4e906e075e3

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

                              Filesize

                              128KB

                              MD5

                              d78f9b03c95166c34614cc48c300bbe1

                              SHA1

                              fb9e21496d5ac1c84691c2a374608d294160e2d6

                              SHA256

                              734908bb893b7084fe6a87a3087dc805b3f4436e1955c98d1d665a35bcb57632

                              SHA512

                              24de6a4f04ed6f2d359e484e985fa52e153b096fb13e0460d0daf825f7e19512c5dbc91fe7d3713638671fd8714a58ae5e48531f2a63a376f17f11c114d699f1

                            • 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\Local\Temp\7zO0915C5C7\E-Invoice 8827.bat

                              Filesize

                              468KB

                              MD5

                              26a5924d7fc7816d05fadd9325febe6c

                              SHA1

                              10a4d5235aabb3844c751ae9e9a23604910c7d76

                              SHA256

                              36b10c3718c9c8c3640d0d90b7a080b25d833d77d3e76553ac41ff0a8feaf513

                              SHA512

                              9f156e386e905dd955635ac1765d9caab9f26cb172ca5e0f85935d83a3a27756a988442525e3fc26aab4075e22564941da12d951323f10f5cff3ec68d1c1ae9d

                            • C:\Users\Admin\Downloads\E-Invoice 88271.zipx.crdownload

                              Filesize

                              310KB

                              MD5

                              87198e55cede67ea3655463f858781e6

                              SHA1

                              9e03c52ec1076db6de9a109f833fe7a97fb06922

                              SHA256

                              1340db41d7d8069fc5c0f2c55ab099722c5803fa5120391c7ddbf73f8a22666e

                              SHA512

                              79b5a24d954ae4bb4a07cae74c93981f4fc19a54f48d75cdf1f571b412bbf15d82543e7212950cc18da65a987a1881423dea828dbe0a5660624a20a19a977254

                            • \??\pipe\crashpad_448_CUMGFTCXWUBPDFOY

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e