Analysis

  • max time kernel
    159s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2023 10:51

General

  • Target

    http://eekifoods.in/pejsb

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 5 IoCs
  • Executes dropped EXE 3 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 2 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 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 18 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://eekifoods.in/pejsb
    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:4904
    • 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,0x100,0x104,0xd8,0x108,0x7ffb571e9758,0x7ffb571e9768,0x7ffb571e9778
      2⤵
        PID:2836
      • 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=1644 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:2
        2⤵
          PID:3824
        • 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=2112 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:8
          2⤵
            PID:4556
          • 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=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:8
            2⤵
              PID:4972
            • 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=2988 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:1
              2⤵
                PID:4364
              • 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=2948 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:1
                2⤵
                  PID:3508
                • 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=7 --mojo-platform-channel-handle=3768 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:1
                  2⤵
                    PID:2980
                  • 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=4912 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:8
                    2⤵
                      PID:1008
                    • 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=5180 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:8
                      2⤵
                        PID:3848
                      • 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=4928 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:8
                        2⤵
                          PID:3576
                        • 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=1128 --field-trial-handle=1848,i,6855928388510834272,15712958639084410202,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4172
                      • 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:3660
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:3960
                          • C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat
                            "C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat"
                            1⤵
                            • Drops startup file
                            • Suspicious use of SetWindowsHookEx
                            PID:3312
                            • C:\Windows\SysWOW64\cmd.exe
                              cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                              2⤵
                                PID:2756
                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe
                                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of SetWindowsHookEx
                                PID:1208
                            • C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat
                              "C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat"
                              1⤵
                              • Drops startup file
                              • Suspicious use of SetWindowsHookEx
                              PID:2672
                              • C:\Windows\SysWOW64\cmd.exe
                                cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                2⤵
                                  PID:4952
                                • C:\Windows\SysWOW64\taskkill.exe
                                  taskkill /im fqupegfk.exe /f
                                  2⤵
                                  • Kills process with taskkill
                                  PID:3592
                                • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe
                                  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of SetWindowsHookEx
                                  PID:4064
                              • C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat
                                "C:\Users\Admin\AppData\Local\Temp\Temp1_Inv 96540.zip\Inv 96540.bat"
                                1⤵
                                • Drops startup file
                                • Suspicious use of SetWindowsHookEx
                                PID:2788
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                  2⤵
                                    PID:4672
                                  • C:\Windows\SysWOW64\taskkill.exe
                                    taskkill /im fqupegfk.exe /f
                                    2⤵
                                    • Kills process with taskkill
                                    PID:3692
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe
                                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\fqupegfk.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetWindowsHookEx
                                    PID:3568

                                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

                                  1008B

                                  MD5

                                  32da70c8eeb245a518555dcf72302147

                                  SHA1

                                  4538492cdedb02c7bbceed997bcdbf50b77d5d33

                                  SHA256

                                  d98564b360b9c760d6788d0e27170dcf5ed74b0a779778b5db5bc75db8567127

                                  SHA512

                                  614b44217a957c7bf6c22832b1a22a8898a6262546e91ddeb18f78e0f2ade50521b40f0875fe4a03d1f24d38057d921332d3611b2b92c76f76d11a297f39ea22

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

                                  Filesize

                                  701B

                                  MD5

                                  0b67c1f95549179f5286a77061fae6a7

                                  SHA1

                                  1a449cf935b28a2c99e73a68ba7601c0c47bc00e

                                  SHA256

                                  f5c0af410500f32629bcbb3bd4d456a4b6f6a091af580940323774b9b69ddcc8

                                  SHA512

                                  3811f4b44ba572a6c27f85f35bcb55f7fb7f921a6f7ff681c12614a7491cf850b078b0deafbeff6f544059c9c635d9594c224add340589af2888f552bf3c0182

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

                                  Filesize

                                  6KB

                                  MD5

                                  b1e8bd6304a761f4cd6c4feaecb14c32

                                  SHA1

                                  e283365045c63dd457291c3bafa32aae04d3bd4f

                                  SHA256

                                  6c513ce8e411e7041fc3a9b73fddbb87cde8b936b2cf8a5d2b6efe13b3dff79f

                                  SHA512

                                  7199c32bbe518da600279e33b5d05ef68efb6393e3f2ea7998800f105f7779429aafec81d46fc045ea5b358894462ac82343353cbe8ffa43ff89366478cfe0f7

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

                                  Filesize

                                  6KB

                                  MD5

                                  3906b456b99a3ae8dedbb985b3310cbd

                                  SHA1

                                  5ed8fe2642e91d1729cbc70a155964f8976d659a

                                  SHA256

                                  7b6855fc46bd803974c55bc0de2420010f34cc992f8f955595184db4a3e272cd

                                  SHA512

                                  fa4daa0f14823aac910b6acd2c3986f8b515053a8e0e26f111160bb9afb2e02916529f8c6ce46b70366e88813f29a97b9e271a406d66afeb3861c34e506087f2

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

                                  Filesize

                                  101KB

                                  MD5

                                  266ab2ea7cd94cd97548b795ff8a93e2

                                  SHA1

                                  007691bff151655493be8cbaa08c13efe9156d07

                                  SHA256

                                  946096b9ebd570e48838240a56d79711fc1ba4804fb6404efbb5a31418a5fda2

                                  SHA512

                                  b69e69b46606ca8c240f87a124742794f00c9cb025d741e03aff48fdf265f7f4fa8fefdeb1a53c55c7a3a1232fe02f5f77a6169f3247131af6808d3727411039

                                • 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\fqupegfk.exe

                                  Filesize

                                  2.3MB

                                  MD5

                                  50479e067c7e7a5e22a2ec70acfe227b

                                  SHA1

                                  23ed64516b69f1e831568a483c848a2943b3a1ff

                                  SHA256

                                  ac27821951b364eaa1cee5820093078ac27e3c449cb4ec1f1887f3401115ecb4

                                  SHA512

                                  050f6071766b552f5d24efeab6e8215d6191a7b02f0139b8a1dbacd9d218915a5413f05b0d9db31aac22d2e2f9d21f4de4366c633e0db28127b0e457d59f1d6b

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

                                  Filesize

                                  2.3MB

                                  MD5

                                  50479e067c7e7a5e22a2ec70acfe227b

                                  SHA1

                                  23ed64516b69f1e831568a483c848a2943b3a1ff

                                  SHA256

                                  ac27821951b364eaa1cee5820093078ac27e3c449cb4ec1f1887f3401115ecb4

                                  SHA512

                                  050f6071766b552f5d24efeab6e8215d6191a7b02f0139b8a1dbacd9d218915a5413f05b0d9db31aac22d2e2f9d21f4de4366c633e0db28127b0e457d59f1d6b

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

                                  Filesize

                                  2.3MB

                                  MD5

                                  50479e067c7e7a5e22a2ec70acfe227b

                                  SHA1

                                  23ed64516b69f1e831568a483c848a2943b3a1ff

                                  SHA256

                                  ac27821951b364eaa1cee5820093078ac27e3c449cb4ec1f1887f3401115ecb4

                                  SHA512

                                  050f6071766b552f5d24efeab6e8215d6191a7b02f0139b8a1dbacd9d218915a5413f05b0d9db31aac22d2e2f9d21f4de4366c633e0db28127b0e457d59f1d6b

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

                                  Filesize

                                  2.3MB

                                  MD5

                                  50479e067c7e7a5e22a2ec70acfe227b

                                  SHA1

                                  23ed64516b69f1e831568a483c848a2943b3a1ff

                                  SHA256

                                  ac27821951b364eaa1cee5820093078ac27e3c449cb4ec1f1887f3401115ecb4

                                  SHA512

                                  050f6071766b552f5d24efeab6e8215d6191a7b02f0139b8a1dbacd9d218915a5413f05b0d9db31aac22d2e2f9d21f4de4366c633e0db28127b0e457d59f1d6b

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

                                  Filesize

                                  2.3MB

                                  MD5

                                  50479e067c7e7a5e22a2ec70acfe227b

                                  SHA1

                                  23ed64516b69f1e831568a483c848a2943b3a1ff

                                  SHA256

                                  ac27821951b364eaa1cee5820093078ac27e3c449cb4ec1f1887f3401115ecb4

                                  SHA512

                                  050f6071766b552f5d24efeab6e8215d6191a7b02f0139b8a1dbacd9d218915a5413f05b0d9db31aac22d2e2f9d21f4de4366c633e0db28127b0e457d59f1d6b

                                • C:\Users\Admin\Downloads\Inv 96540.zip.crdownload

                                  Filesize

                                  2.1MB

                                  MD5

                                  01be70590e715418e2f92d56f5765fec

                                  SHA1

                                  7b4d9af7e928ac6417a5f97564875fd1e119c193

                                  SHA256

                                  151e42f8e45054d57e215cc5b2ea2fb1bc7b7700988db2c869af1df9f29d3e92

                                  SHA512

                                  597c23f589b462d39f4172eedc0bc085eb836fbd88ce1a6bf52fb3411ca477216a53d29e0a015ea575bde3c7356054ebfafebcf970f5552a2e7d5664c9286b27

                                • \??\pipe\crashpad_4904_WYTPTPKUXCMJWUGF

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e