Analysis

  • max time kernel
    987s
  • max time network
    965s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-03-2024 03:51

General

  • Target

    https://mygamecity.in/DOM-04-INV-1616

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 3 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mygamecity.in/DOM-04-INV-1616
    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:3192
    • 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,0x100,0x104,0xd8,0x108,0x7ffc788a9758,0x7ffc788a9768,0x7ffc788a9778
      2⤵
        PID:1564
      • 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=1652 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:2
        2⤵
          PID:1432
        • 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=2152 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
          2⤵
            PID:3648
          • 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=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
            2⤵
              PID:972
            • 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=2904 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:1
              2⤵
                PID:1632
              • 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=2920 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:1
                2⤵
                  PID:3240
                • 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=4672 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:1
                  2⤵
                    PID:1508
                  • 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=5148 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
                    2⤵
                      PID:1960
                    • 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=5388 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
                      2⤵
                        PID:2296
                      • 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=4056 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
                        2⤵
                          PID:1884
                        • 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=5652 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:8
                          2⤵
                            PID:2776
                          • 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=2676 --field-trial-handle=1620,i,10795753871670141543,14080957224702778499,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3856
                        • 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:4532
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:1068
                            • C:\Windows\System32\NOTEPAD.EXE
                              "C:\Windows\System32\NOTEPAD.EXE" C:\Users\Admin\Downloads\DOM-04-INV-1616\DOM-04-INV-1616.bat
                              1⤵
                                PID:1692
                              • C:\Users\Admin\Downloads\DOM-04-INV-1616\DOM-04-INV-1616.bat
                                "C:\Users\Admin\Downloads\DOM-04-INV-1616\DOM-04-INV-1616.bat"
                                1⤵
                                • Drops startup file
                                • Suspicious use of SetWindowsHookEx
                                PID:400
                                • C:\Windows\SysWOW64\cmd.exe
                                  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\
                                  2⤵
                                    PID:3256
                                  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xrkpqnfk.exe
                                    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xrkpqnfk.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetWindowsHookEx
                                    PID:4516
                                • C:\Windows\system32\rundll32.exe
                                  "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
                                  1⤵
                                    PID:1168
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k UnistackSvcGroup
                                    1⤵
                                      PID:380

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

                                      Filesize

                                      16KB

                                      MD5

                                      5bbc005cfc5ae9ca2f2f15d72f14a192

                                      SHA1

                                      76890a418adbee32d4502e2a7cfb833cafceeabc

                                      SHA256

                                      b92c542f1ca341805bb2ffd55f0d03dc673c82df26352b6e77256ef5c0c276c7

                                      SHA512

                                      d251dea7182c6ce8f79f26e8d5f6567149a5ee523c3df83cc8bec9781c22f1951db1ffd05afe142bc7b0bfbb2837ebea9e69022c278208871e6c4fe55bd6c925

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

                                      Filesize

                                      1KB

                                      MD5

                                      4bf8f9defcd6c27d5d4a9c9516c5f380

                                      SHA1

                                      9d9a0901da105d7a57b18070d7b4b24239b2f647

                                      SHA256

                                      f3e811edbc63e3a90456cd332cf5f13653e977766fa2c10b5544b288c0c5b077

                                      SHA512

                                      69a963fdc759f55e4b63f6a1ffd9db24ba8289bbed64f0d0aff8a7e2b013fc87fe84110bc2ae80d295e5feb0f1360633f2613f349ea19b8115e0b093b962924e

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

                                      Filesize

                                      1KB

                                      MD5

                                      6809229fd6db5b63a53ca605d4aa6191

                                      SHA1

                                      6fb44b971912d5e113feefa1e96a52781b2a9a95

                                      SHA256

                                      5a0982530aee5bade5463ac167ea41e225bcb1159358b2909e43c11bc37459ee

                                      SHA512

                                      948b28f02105fcade761a8c84d239ba283efdf3c4b7a78fc6870bfad5665a7d302a72394b0734cb4c04b367ffb6be4f85f0565b9806e786b5b8c017c49c0b806

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

                                      Filesize

                                      1KB

                                      MD5

                                      b9c0f37078345db53afb3501c7118b60

                                      SHA1

                                      84a5137430b91c053e7575cc2e5cf0548438d902

                                      SHA256

                                      478d54cceebfa304ecb8030b61e685dbcce43515b570cb01514bc657ae4d4021

                                      SHA512

                                      3e410ca1964530ccb182f152d23f42a5a29639a14c2701263d4c2bd340f5d8eb683955eeaad36f50fdc309c1031fef2f24bec16da1b8f405c00331d48220ae20

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

                                      Filesize

                                      1KB

                                      MD5

                                      9ceb1cff78bd031d32a79d5c874d32dc

                                      SHA1

                                      e837783809934a7c3ea1dafed58fbc0d3d50ba71

                                      SHA256

                                      bbd5a74e76e57c6140f822aa4b46f3e810aa2465788cce45faf4b69fa542ca73

                                      SHA512

                                      d6d025d89e3ab9f9fe37b1e0565c49dbcaabf950ca4d57c2ec75be935b41bf47ca8a8dff30aac75c3a1574b33b79f4cfed3f46d9c7f186d67850c6500e9c01a4

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

                                      Filesize

                                      705B

                                      MD5

                                      152e186909c8d857298dffe19de3f89a

                                      SHA1

                                      88a74906e448f3a771a5ca9ac4431cdc3f78d23b

                                      SHA256

                                      9f75b090d15c891eb0750aa71531490da82089b8636ccd21e65583129ea63a6c

                                      SHA512

                                      e38980ce8a53a92d3de47461dbe45b5afee8c57358777ab7e313ebde8523faf7e05bb8f0438c848524e2b88fdd8698abdf4d0f273f045de2700f4aeb47b2ecf0

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

                                      Filesize

                                      6KB

                                      MD5

                                      ac2f99d67603a2bff5df03ae4ba4ad1e

                                      SHA1

                                      8277aadb76426c9ca159363b366c6e2340ba216c

                                      SHA256

                                      6f0db5d57310a8720b111c4b2847af4d0bac455376a219c185b7b2a91cd55290

                                      SHA512

                                      02394b4ec6da5838bebb15d899e7a2ebed9c102ae2422b53be4a2b376d404a02228b3b0e437a9925689d18995d00786cb6d5eac2291b6ec9c0d387b23797ec82

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

                                      Filesize

                                      6KB

                                      MD5

                                      e7c8e6bbddcfec9411da345caa45cd53

                                      SHA1

                                      6ac2b92bd58d51d811c6f181e4926cf7a47593b2

                                      SHA256

                                      cf491c1567be34e94d5b993426dfc6e65c4dfc3eca44ff816679d424b7265158

                                      SHA512

                                      4bb281c1b642d104e9abc8c8b3d5a89d81a6b3c3819abaf831436daf9236db137ecf22ba9043eeea5f6a248a128e74cf7136d8f81b6b4fc9f5134b5efa41a6a9

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

                                      Filesize

                                      128KB

                                      MD5

                                      def6d836bce48d4edd277070c4b050b2

                                      SHA1

                                      52427232ecba12701648f551a1089e920e58e64d

                                      SHA256

                                      5e8aef13b29d041247315f5a161caf82d0e1922f06073318793df816e6f5ef21

                                      SHA512

                                      f6699de2d12482cadf20a68a29e90802aafaf0f2f22c8b6bee5e3e732a444f448568cee31a5962d8cfe53b58700c0ff4264b31f69e3d63520754a268229bbe2f

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

                                      Filesize

                                      107KB

                                      MD5

                                      4ef511e3c3ebeb3a1878ca1d54728e8b

                                      SHA1

                                      6d6ef928f162e52218118457febc3ed1a06b65c9

                                      SHA256

                                      979f470be3bb762fca9025614e7530c6d9d3a0b6d0d7d3c5154fedd92ba9b0aa

                                      SHA512

                                      5d5fcc77b6bbca75475bf704bfa9b96d627c093fac3bd47584549ad554160bd64a053bc29b42ae7f67660bdc451b06d3594d9a3f81036251542b69f30dcc223d

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe581b15.TMP

                                      Filesize

                                      103KB

                                      MD5

                                      dcea4e5cf9029605e5162123ae018fb9

                                      SHA1

                                      6036f07579a74cf0449c5966923ee86f1503c573

                                      SHA256

                                      38366fdc968bacf431968a5eaec5777007b8fd26796a4535ae0df8d33f09fa7a

                                      SHA512

                                      2569c51eae1f096502504e76df2b19666231519f87bd53c0cdccf24d2b0ea41955b4eda4d5ba450ca28cff3dd8a719d70049e3fd9a657a901083012f1fda69cd

                                    • 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\xrkpqnfk.exe

                                      Filesize

                                      2.4MB

                                      MD5

                                      c39e73033267ae166eaa5932507ef95b

                                      SHA1

                                      668cb060f6cdf86175c2b8d56198b5a4b2581d18

                                      SHA256

                                      2cb398ecd2ee5c6760a8fb2c9c70008e86ab077af14e1c417d064dc33e65ac74

                                      SHA512

                                      b3483ea1c12380676cef1a557aa67028155844de94fc49791a81e2a288d26739f4a6f9ad48942e133f452b7e5a296ff267c931a1faef9e73c11c2e9d7b421fca

                                    • C:\Users\Admin\Downloads\DOM-04-INV-1616.zip.crdownload

                                      Filesize

                                      2.1MB

                                      MD5

                                      54296ea424208d0015990c41f5bc3398

                                      SHA1

                                      b1788502661b50c7c5eb2c5d2711c8a24e0acbe2

                                      SHA256

                                      2fc48658b482ab74fd5454acde5d29304ea9d36b8c8f55b14f0c943d5f4b06aa

                                      SHA512

                                      89047af3dc7b62fac4f3e729be90bb63aa1296695a6463e133efd45ef67e087b8bb737eb28f92547f77066ee3d66197866a3140f415b6b9cb30ecaee03f45027

                                    • \??\pipe\crashpad_3192_VUPZXRIULHWGLNWP

                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/380-158-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-166-0x000001B5201F0000-0x000001B5201F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-157-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-155-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-159-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-160-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-161-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-162-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-163-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-164-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-165-0x000001B520200000-0x000001B520201000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-156-0x000001B5205E0000-0x000001B5205E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-168-0x000001B520200000-0x000001B520201000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-171-0x000001B5201F0000-0x000001B5201F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-174-0x000001B5179F0000-0x000001B5179F1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-154-0x000001B5205B0000-0x000001B5205B1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-186-0x000001B520330000-0x000001B520331000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-188-0x000001B520340000-0x000001B520341000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-189-0x000001B520340000-0x000001B520341000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-190-0x000001B520450000-0x000001B520451000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/380-138-0x000001B518040000-0x000001B518050000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/380-122-0x000001B517F40000-0x000001B517F50000-memory.dmp

                                      Filesize

                                      64KB