Analysis

  • max time kernel
    600s
  • max time network
    492s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-07-2023 12:10

General

  • Target

    http://bhagwatijobs.in/SOFT%20COPY.zip

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 4 IoCs
  • Executes dropped EXE 4 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
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://bhagwatijobs.in/SOFT%20COPY.zip
    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:3920
    • 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,0x100,0x104,0xd8,0x108,0x7ffc9cc59758,0x7ffc9cc59768,0x7ffc9cc59778
      2⤵
        PID:4916
      • 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=1676 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:2
        2⤵
          PID:4168
        • 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=2180 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:8
          2⤵
            PID:2216
          • 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=2272 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:8
            2⤵
              PID:4696
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3056 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:1
              2⤵
                PID:4500
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2892 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:1
                2⤵
                  PID:2484
                • 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=4648 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:8
                  2⤵
                    PID:4820
                  • 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=2944 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:8
                    2⤵
                      PID:2932
                    • 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=4844 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:8
                      2⤵
                        PID:2320
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4704 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:1
                        2⤵
                          PID:3232
                        • 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=1048 --field-trial-handle=1912,i,12610258734031162288,1020437382895767611,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4200
                      • 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:1800
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:4172
                          • C:\Program Files\7-Zip\7zG.exe
                            "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\SOFT COPY\" -spe -an -ai#7zMap4662:80:7zEvent27706
                            1⤵
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of FindShellTrayWindow
                            PID:416
                          • C:\Windows\System32\NOTEPAD.EXE
                            "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd
                            1⤵
                              PID:3544
                            • C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd
                              "C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd"
                              1⤵
                              • Drops startup file
                              • Executes dropped EXE
                              • Suspicious use of SetWindowsHookEx
                              PID:772
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                2⤵
                                  PID:4720
                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\piqlfkfk.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\piqlfkfk.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetWindowsHookEx
                                  PID:3344
                              • C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd
                                "C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd"
                                1⤵
                                • Drops startup file
                                • Executes dropped EXE
                                • Suspicious use of SetWindowsHookEx
                                PID:636
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                  2⤵
                                    PID:2140
                                  • C:\Windows\SysWOW64\taskkill.exe
                                    taskkill /im piqlfkfk.exe /f
                                    2⤵
                                    • Kills process with taskkill
                                    PID:4568
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\piqlfkfk.exe
                                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\piqlfkfk.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetWindowsHookEx
                                    PID:2196
                                • C:\Windows\system32\rundll32.exe
                                  C:\Windows\system32\rundll32.exe C:\Windows\system32\PcaSvc.dll,PcaPatchSdbTask
                                  1⤵
                                    PID:3928

                                  Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

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                                  Downloads

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

                                    Filesize

                                    5KB

                                    MD5

                                    f61eb3c9992f7174055bd397b15369d3

                                    SHA1

                                    f14f84f706de49b5160d00611a8bda8c1e2f5d99

                                    SHA256

                                    e05dfa73303973a2e992036a63ed03e556d6a5084e5934441a81a9bfee1b78f0

                                    SHA512

                                    2d81c98d169a355ac09ba3e03c4dd40f5871ebf3e6153ea01bf9fad9937e67cedf5337f4a3841da8107dc33c700e0dfe18091cca42a14cc943c5dcf6170be110

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

                                    Filesize

                                    5KB

                                    MD5

                                    653298050c6010466cd9bc12851c91c2

                                    SHA1

                                    b2e8cd50ab18255537c46858f8ccf9bced5c185c

                                    SHA256

                                    250398ea1e59cd51057a0f0aaf20f1d9dee0924d217481bd5bc4708b0e134d62

                                    SHA512

                                    018a630b19fa551e08e848c2f765d29133a9e56cf66e061e950e143941b2fb29356fb1a52cde720bb622450b4cc75f64747e5ca83ef9fe2b62b6c9494fdef1d4

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

                                    Filesize

                                    5KB

                                    MD5

                                    14d8f29dd9e87d55bbf2399c4ad1b99c

                                    SHA1

                                    1fa92a96941b4a239de54528af984e3fe174fe5b

                                    SHA256

                                    3636399b76e74f7eaa5e54c29db6b0b77680e9d51cf871197742e873a023c6c2

                                    SHA512

                                    4baa88cf6f49bde5d9710a16629979d2d30598140d08fe182d22a2d84db36e0bb8a579b408fc8fc643a44d7c5c9d383640f6f6c1ef85ec0d4b371d25decaf46f

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

                                    Filesize

                                    87KB

                                    MD5

                                    b9542651093bbd864f13854502e2f35b

                                    SHA1

                                    b5876dbb558c3b9f0aa41db783354faef6f540b6

                                    SHA256

                                    5475ebd7c9a890ef47bce68149d0028432b29de0b2c7c48080d79208cddd176f

                                    SHA512

                                    6a1aca42eb548fe44fd7774ce6e78943c9df0391984b7cb2ea56a51d7e0355fdec5569e7c66f066de6d482eb22576b6d685462ba071a277f2457d7543e3ea2f7

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

                                    Filesize

                                    87KB

                                    MD5

                                    b28feb4a21ba94789fbee969b6902ebc

                                    SHA1

                                    474a141fa52aaee9cf11f7e222485bfe8c1d97b6

                                    SHA256

                                    7b409a475b6d95de15b8e227b5f40d725e138030af81e669c8e35473e9e8531e

                                    SHA512

                                    96fc0e229f0bde75e95e912f5c7652deebf4ea84fb46759db4f3701e4c7ab5917cbb8a0cb1c14cb85dc97a682e07784ea29224ebe7c76d0810e6fcb48a262b79

                                  • 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\piqlfkfk.exe

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

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

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

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

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

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

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

                                  • C:\Users\Admin\Downloads\SOFT COPY.zip

                                    Filesize

                                    2.4MB

                                    MD5

                                    ce3514cfcca7ba089dcdf20191dc53a0

                                    SHA1

                                    e3ebedd3400e4772365fa1642de188c83a33c18a

                                    SHA256

                                    49fa84eb7e0100a5ba2160226a8ae9173379f3655dfda70448ab5c28706c2508

                                    SHA512

                                    aaa392afd320bf5551694dd22ac8511755260fd063c2cb9546320d810f26c6a74cdcec9de9447e28a022b93e1a1198298bfc9e1b2cb4f96d4b247d3055ee4afd

                                  • C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

                                  • C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

                                  • C:\Users\Admin\Downloads\SOFT COPY\SOFT COPY.cmd

                                    Filesize

                                    2.8MB

                                    MD5

                                    d1d69636c7e17e170a0b4e08e91f4ba8

                                    SHA1

                                    0696963cdbf35beebe5e96595daa58bb2fbe42d9

                                    SHA256

                                    febb5a5a9674a449dc2a9926d26664344cc3aaaf1264b90f68309e0a4321c9a7

                                    SHA512

                                    504e83025bb386c7ab772d872a2df0c070ffa5d284946d8ea36dab75165f0c166055e9df3838e256b8086a746beac78408e51afce09d6dd05adec3d0e6d87693

                                  • \??\pipe\crashpad_3920_RWCQWDVDXHEHCIMJ

                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e