Analysis

  • max time kernel
    300s
  • max time network
    277s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-04-2024 15:46

General

  • Target

    https://cdn.discordapp.com/attachments/1227447189110784041/1232356151153266739/Driverfn_x64.rar?ex=6629289a&is=6627d71a&hm=76541a23924903902aa14eaaa9b3d782f1fad86a7ed7b7321d8a4ab11b61f13d&

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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://cdn.discordapp.com/attachments/1227447189110784041/1232356151153266739/Driverfn_x64.rar?ex=6629289a&is=6627d71a&hm=76541a23924903902aa14eaaa9b3d782f1fad86a7ed7b7321d8a4ab11b61f13d&
    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:3980
    • 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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xfc,0x10c,0x7ff9db54ab58,0x7ff9db54ab68,0x7ff9db54ab78
      2⤵
        PID:3944
      • 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=1848 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:2
        2⤵
          PID:3312
        • 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=2172 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:8
          2⤵
            PID:2632
          • 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=service --mojo-platform-channel-handle=2204 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:8
            2⤵
              PID:1064
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3080 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:1
              2⤵
                PID:4116
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3108 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:1
                2⤵
                  PID:2184
                • 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=4800 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:8
                  2⤵
                    PID:1276
                  • 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=3612 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:8
                    2⤵
                      PID:1264
                    • 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=4912 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:8
                      2⤵
                        PID:4056
                      • 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=736 --field-trial-handle=1904,i,9903943913796533829,2745021696320928001,131072 /prefetch:2
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:216
                    • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                      1⤵
                        PID:556
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:4552
                        • C:\Program Files\7-Zip\7zG.exe
                          "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap4133:86:7zEvent9054
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          PID:4708
                        • C:\Program Files\7-Zip\7zG.exe
                          "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\Driverfn_x64\" -ad -an -ai#7zMap23827:86:7zEvent17589
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          PID:840
                        • C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\WinFormsApp1.exe
                          "C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\WinFormsApp1.exe"
                          1⤵
                          • Checks computer location settings
                          • Executes dropped EXE
                          • Enumerates system info in registry
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of SetWindowsHookEx
                          PID:2020

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

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

                          1KB

                          MD5

                          971b55e0bb64351edd65c246ea5fddc9

                          SHA1

                          6e7b7b0dfbe7fb15e7a89c99acdf09c5f4de3806

                          SHA256

                          2e7f4af4257221c0865c267eb3883bf8c93d75ff0319750ce96a6409d4d26b40

                          SHA512

                          6de94cccef7f14c32f421b690093be96f3be7279463c399a2fab77770df0c491e7030cc8ee1c72ee769bdc8eb9c3d270d66a44236f521f2f802c4ce45787e348

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

                          1KB

                          MD5

                          4cc1da51b3f7e067995a60b0bf56d060

                          SHA1

                          c4941c8da7c438f1d424fff1c0ab0506f97d9156

                          SHA256

                          c3836b37473a0ecb3469729d06c33394a7847bb08adc16fa9ca67d9eebf0a3d6

                          SHA512

                          4dc20b7d9a81d1c31722076211f2bf220eb7122f950de46353d74dff1aa70ac4abec582fc46ca2696094ca6e4894a968a0e5184c91cc4b6e753156fb5926ab9e

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                          Filesize

                          2B

                          MD5

                          d751713988987e9331980363e24189ce

                          SHA1

                          97d170e1550eee4afc0af065b78cda302a97674c

                          SHA256

                          4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                          SHA512

                          b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                          7KB

                          MD5

                          f752552edf58e402c072780a52779220

                          SHA1

                          f1de31fb653187a89a0c03a149adbac93c257d6f

                          SHA256

                          cc720fade215dac84a2dec9495a6d3089a954e6b2a5092456f4758aecb3200b2

                          SHA512

                          c5aa44d8a05a3d748b3db2941c7e8737bb813d0047118470d4a1c1179f6e568ca9e7030b2c7ca6cb06214a20c42b3e42f9b0ad1faadd8e301b39b08d43ef9a81

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

                          250KB

                          MD5

                          5f2815cd9465bfa4aacdcb562f1b35cc

                          SHA1

                          d445773728852f7fac1d2b17584d809993ca3f19

                          SHA256

                          8ee4c493e523731c5f4c12c1651b08094cb70a6ee104948f05b0d1f43296b11d

                          SHA512

                          4bc765ca021bbf1c94a6b214087824bddea0f9012e9e94dbbed59a5bfd2d5898c30d511a10a849e75d4f2bdf1c0721bca71b6fa4c7f37ca2824a183e99659f01

                        • C:\Users\Admin\Downloads\Driverfn_x64.rar
                          Filesize

                          1.6MB

                          MD5

                          99d4c37cb1352dcca698361dfe56da94

                          SHA1

                          bb6f514804d0cdac956038b55ffb9d5127261cd9

                          SHA256

                          819439ee910e9b4c991755e2a7592abc90e7dcb939a80af4bf853e48f3b9cadd

                          SHA512

                          514c929009cfbf37473a5a441cf6fe1cb7e81e79abc0b9aaee0a8847b7b499651dbc1674bc2a5a51aab95b0bae4a3109d0ffaf7f6fd3fd1518095b85bd258dea

                        • C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\Guna.UI2.dll
                          Filesize

                          2.1MB

                          MD5

                          b429ae86c5be521bc8ca3b164cec3acb

                          SHA1

                          387560073ff5a1f2191abc6f75fc34532bbb6dd2

                          SHA256

                          3ac70532408b89159bfe235d4ed228faa03ae3fbd63ec6a82d895f287a3b0579

                          SHA512

                          eae65de53da50708983ed8ebf9e1e3dd5f9aea95a354d272e199bb59517f62bfe35f0df7a37d81ab0423d0d6d29304fa70284c731bd54023e446b2c19bacafb1

                        • C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\WinFormsApp1.dll
                          Filesize

                          1.3MB

                          MD5

                          e82a1b0955a6f89cfd6f5f39dc23cdba

                          SHA1

                          72dd760a64894a06dd5042de2a38d10ff7252e45

                          SHA256

                          53726a851169f6b886e842071b38be2b101e377879096df4f337bd6e12d11015

                          SHA512

                          beea31f46e3d3ab9d95abb59fe489eb21a0977ee916739db6a6a4c23a8d7652a1a634f7bd751d213913f7f2ef9f8dc39649d4a66d09fea1392570ac309b63566

                        • C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\WinFormsApp1.exe
                          Filesize

                          142KB

                          MD5

                          7dc2ca160a7537195556a851440e0d73

                          SHA1

                          9164dd3abfaf0d7bcd9a74c93ee4a7df170622e8

                          SHA256

                          7b261f11a2592db39f28e1811cba5477cd1bbc5084e4f8dcefcdc987f54589fd

                          SHA512

                          8699e5c3b0952695b3d23fcf3b51d48e088036d24c2d883d057c86725d88771dc7d49410e5d06db5d222ccdba9fbd1f32a2050e7570b6acbc1b087fade042297

                        • C:\Users\Admin\Downloads\Driverfn_x64\Driverfn x64\WinFormsApp1.runtimeconfig.json
                          Filesize

                          386B

                          MD5

                          186a65581e2f29258f54d396660409fa

                          SHA1

                          6f998d3be2e85cb5419205f867135874f27c0a3a

                          SHA256

                          e1e0974d0e8833375024eb7c78521b3b5cad4228aad22b23d506cbe702445844

                          SHA512

                          7dea87b523aab01ea3c794779b71bc0b52179e1d5e7b9a45539ddd39c775969ef22853c4c193699aec1e3fa3cbe26e90e3a4881226c52a3aacae1eac260ff896

                        • \??\pipe\crashpad_3980_WCPVCLTSVJNHOHOW
                          MD5

                          d41d8cd98f00b204e9800998ecf8427e

                          SHA1

                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                          SHA256

                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                          SHA512

                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                        • memory/2020-72-0x0000022CDAC70000-0x0000022CDAC71000-memory.dmp
                          Filesize

                          4KB