Analysis

  • max time kernel
    62s
  • max time network
    67s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2023 05:48

General

  • Target

    http://trendsaajkal.com/wp-includes/images/wuay

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 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 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://trendsaajkal.com/wp-includes/images/wuay
    1⤵
    • Adds Run key to start application
    • 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:3764
    • 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,0x100,0x104,0xd8,0x108,0x7ffa1a909758,0x7ffa1a909768,0x7ffa1a909778
      2⤵
        PID:4048
      • 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=1736 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:2
        2⤵
          PID:3736
        • 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=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
          2⤵
            PID:3396
          • 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2932 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:1
            2⤵
              PID:1800
            • 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2924 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:1
              2⤵
                PID:4100
              • 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=2204 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                2⤵
                  PID:3700
                • 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4476 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:1
                  2⤵
                    PID:4688
                  • 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=5088 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                    2⤵
                      PID:3908
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5284 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                      2⤵
                        PID:2404
                      • 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=4996 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                        2⤵
                          PID:3660
                        • 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=3080 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                          2⤵
                            PID:2568
                          • 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=3064 --field-trial-handle=1888,i,15594510013251483503,8559077408576787896,131072 /prefetch:8
                            2⤵
                              PID:2960
                          • 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:4860
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:524
                              • C:\Program Files\7-Zip\7zG.exe
                                "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\ePayment_Credit\" -spe -an -ai#7zMap4175:92:7zEvent1034
                                1⤵
                                • Suspicious use of FindShellTrayWindow
                                PID:4512
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\Downloads\ePayment_Credit\ePayment_Credit.bat"
                                1⤵
                                  PID:5108

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

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

                                  Filesize

                                  1KB

                                  MD5

                                  8b53b8ca1a7d6727a5709ee77dea6f7c

                                  SHA1

                                  4401861722325cf4a870906931234bc0e3e14f5f

                                  SHA256

                                  fa76f5b444fe6506ece1e771fe6ed18144e9167b1319dc49d15d569742c77062

                                  SHA512

                                  8ffa02ff6c97adc46f3829dd0fb1930c62c8be9ad0a5677c01800891dab603b3b2055749e509749c2282fec0df9a8c4a317477050e913bc95e94dd14d8fc069c

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

                                  Filesize

                                  701B

                                  MD5

                                  8e7d6ccd6e2a55ffaba6961f653085a2

                                  SHA1

                                  2350b90a3778c674902b7502bd7a1142b9430511

                                  SHA256

                                  357aabf2e5f5d2eb99e31532cb895458c9a3b08c95e3af7dcc06021634cc579f

                                  SHA512

                                  41758b52b208d6a9568fa9ecaba13d249ae5d02da13246c00da1648a750965c5aba78f2bcd11b20d21a3f3df6871b09bc2570589a8e8f05ba0bf0fe7bfa5d694

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

                                  Filesize

                                  6KB

                                  MD5

                                  e0addf2a27c71f6e3a1b81344706b459

                                  SHA1

                                  ca9c766b109e966c25dd4cdbcc12da1db86d6c8f

                                  SHA256

                                  bdae3f4d961659e6e7c224a8f262497c7de02239e221a0db6be0217fcf6f79fc

                                  SHA512

                                  f7fe8e8fc857bc86f05c705d6528393617d4144da26251331a5108105f9de8fc43adeb185bd89bfeaa7a2580ff7a638fe340ed5d5884ae4f3ade5062c06c2b56

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

                                  Filesize

                                  6KB

                                  MD5

                                  7e8b3b4bff27dbeaae7d9cab1636f7c5

                                  SHA1

                                  3d222ceec962c44558a6d9d96b8fc3c377f45c61

                                  SHA256

                                  879517933fa3a2590cd5eb2fda614d845dddcf12dfc163bda83075aafe612406

                                  SHA512

                                  72837e4c0d74a9d475d4b70b2c2d1f265ff62c0599be693d5e35acb1ad5d01dd1bdcacb92a68b89a08a72801ac8388f8da0e9ff92ce912693db87d76fa75fc15

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

                                  Filesize

                                  15KB

                                  MD5

                                  b8fbeeed0029fc280993dac257982ce4

                                  SHA1

                                  fba837762bcc7f074848358f820fe7a4779bbfbe

                                  SHA256

                                  81f1851fb737caf454eac30933a964cf65c43a51f7588fef5549634db1317d1a

                                  SHA512

                                  54d4fa515381ec6dcbc0a292f88f770d8ade00ab2f46269d9005e645ccc24cda6b8b3a0ef4752052839c1073a2744d7f321272e3b335ff97371539bd435a2f53

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\GrShaderCache\data_1

                                  Filesize

                                  264KB

                                  MD5

                                  6f3ed124ab63b24fbd2bbc55bf24e9b6

                                  SHA1

                                  133a371389362ae3f5ff92c0ad6ab54294b9d6f9

                                  SHA256

                                  162b553d46094d7343632c9eef6c093d40ba1f4a573ed3c3040521d73c5e7737

                                  SHA512

                                  b0b4064f254f6e779a1fdf59dceebe050e88ec7aab43a92195a4550bbc08a162b8ece9610d3342e220de3702996d8b1ae3ecb015f646b5c91bb2498e83a04672

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

                                  Filesize

                                  173KB

                                  MD5

                                  47a2bf1e87481fef7f10c0a7de4b20f6

                                  SHA1

                                  a9cfb41837422e15700904d24ee840fe380b44b2

                                  SHA256

                                  f728f4379ceec1639de135239da3931940af30b707b1098dc64b8e73473d6b4b

                                  SHA512

                                  ebb4d581d027047818c7941e68cfa5c900a9b5407bf52099202a91ad4888c4bf542d9b60c9ac046476ea08d3e9bd87f10f03b70eb5d1b79f40f0dbf765ed064b

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

                                  Filesize

                                  173KB

                                  MD5

                                  6a23eb79ef86e6f2c9669e2718407a07

                                  SHA1

                                  8aea5383024b15e59eae74a58754add7b41c647c

                                  SHA256

                                  d239d585b11d64403891d7b1dd5a45c81a4527b0fb6579e458dd32896493629e

                                  SHA512

                                  09395fba55e75275b0f43fc6788edb0992bfe0536e2be546f8a308520b5f3f313ed5a18d87c5152a18ed32b5b49a5d6dddac1631460869c89fe24491ef510ed3

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

                                  Filesize

                                  107KB

                                  MD5

                                  48e09f5b36f8b5e34ccaacdfab9051e3

                                  SHA1

                                  d9251c1b842b9ee18e571b42d55c013a1592efa7

                                  SHA256

                                  9548bbdf9903e8bdcd051ba47b559d4b85108afdeeae88658d4a8e5b1efff58e

                                  SHA512

                                  b4b34fbb362aaa6835f45580ba62ab9890a2f6c13699ef5efe2736d871b254f2c5406203b10f9e1e539c503eee987e6c49e00040d22f1c2d075878bc594ca4cb

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe581dc4.TMP

                                  Filesize

                                  103KB

                                  MD5

                                  500e7f9f4cc4e87cd97629b9d2bfbde0

                                  SHA1

                                  5f22d36b40af23e1d2667a1729e91d5180bb4f27

                                  SHA256

                                  e7e1aec63a1200d445a835dfb574f7ada3962015e1a927965302dd54425380f7

                                  SHA512

                                  6e5b583e09467ff13e7735f379b788d1b9fd369cd2fe8a431dcca29bfa30f338c590c2ff23adbcd3c474900b112e0d045d7ab023ffdd8a31d8fb4f689843eff0

                                • 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\Downloads\ePayment_Credit.zip

                                  Filesize

                                  323KB

                                  MD5

                                  a8bad796b73e1a26219ea012f2a76e8b

                                  SHA1

                                  e4103ac3f95b7c457f13abc786affae68dfe12e9

                                  SHA256

                                  d60b3c96da7438380acf999d80060d1e92b82ad24aa2171e7f2d4812a10a211b

                                  SHA512

                                  5903fafeb07052faf3ba9b520ac20cfae403b74a611c6a15333d1822abaa66c7d9c7e482387f218443e2ae956b9a38f46aac6e3b292903005382715570dee09f

                                • C:\Users\Admin\Downloads\ePayment_Credit\ePayment_Credit.bat

                                  Filesize

                                  456KB

                                  MD5

                                  72bf294c8d6149dd8c0f2e21c18633b9

                                  SHA1

                                  f5a684be69f52504380be717a2c8d7b38e132199

                                  SHA256

                                  9ee64b15b7acf67c7f2a5a88971c2665d960876dd17323dc3425d5daf52c3d88

                                  SHA512

                                  581316006cf3f1e2fa10e1ac83c0f39433ae4e93a1945c53b03e14351fd6451648f004008f6bde3dc53f955e873b46efda22a66348870fab63f0da6f337a9350