Analysis

  • max time kernel
    201s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2023 11:56

General

  • Target

    https://schuiframenrenovatie.nl/wp-includes/images/css/download.php

Malware Config

Extracted

Family

vjw0rm

C2

http://severdops.ddns.net:5050

Signatures

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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 2 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
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://schuiframenrenovatie.nl/wp-includes/images/css/download.php
    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:3272
    • 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,0x100,0x104,0xd8,0x108,0x7ffb77299758,0x7ffb77299768,0x7ffb77299778
      2⤵
        PID:2108
      • 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=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:2
        2⤵
          PID:2268
        • 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=2128 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:8
          2⤵
            PID:2380
          • 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=2208 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:8
            2⤵
              PID:4616
            • 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=2984 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:1
              2⤵
                PID:4672
              • 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=2964 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:1
                2⤵
                  PID:2416
                • 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=5376 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:8
                  2⤵
                    PID:2704
                  • 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=5352 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /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=1800 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:8
                      2⤵
                        PID:4116
                      • 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=5696 --field-trial-handle=1112,i,5037829412702104306,5266441298391738285,131072 /prefetch:8
                        2⤵
                          PID:5004
                        • C:\Windows\System32\WScript.exe
                          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Downloads\New Order.js"
                          2⤵
                          • Blocklisted process makes network request
                          • Checks computer location settings
                          • Drops startup file
                          • Adds Run key to start application
                          PID:4156
                          • C:\Windows\System32\schtasks.exe
                            "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\New Order.js
                            3⤵
                            • Creates scheduled task(s)
                            PID:3704
                      • 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:3480
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:3836
                          • C:\Windows\System32\WScript.exe
                            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\Downloads\New Order.js"
                            1⤵
                            • Blocklisted process makes network request
                            • Checks computer location settings
                            • Drops startup file
                            • Adds Run key to start application
                            PID:1584
                            • C:\Windows\System32\schtasks.exe
                              "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\New Order.js
                              2⤵
                              • Creates scheduled task(s)
                              PID:4044

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\8f41a157-ee60-441a-9e2d-6154cee8720d.tmp

                            Filesize

                            5KB

                            MD5

                            0e25aa436f3c3c8e468c0761a6e8dedd

                            SHA1

                            f3d2a7829c3f6ecac3c3f22bde45d6cabc7d1097

                            SHA256

                            12f10f9535489460612c09241776c673ae828923fbbfc9072e08336d6adcb21a

                            SHA512

                            266010c91ef591691eb7f25e97506282e9a10f6635f27ed529a58ead6bb5f323ce06f4707b7fc6bb7ad08399ccaf393281c67c82c70a618fb0b93d5577996df6

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

                            Filesize

                            1KB

                            MD5

                            b6ce60d508a59da7585cfcb4cf52f90e

                            SHA1

                            b5b2a82cbbb97a9da17c120d3b24e0fb30e44b04

                            SHA256

                            5479ff6688284acdf2058925c2ffdebc8fada9ed1ce58e8ac31f66b6b79603e4

                            SHA512

                            7fbe1952c437332faaadf7fbe64e0533029d0f8adc6da46bcd54c2f92eec7058762fbe048f963f761fd70ee8e3b20806073758bee032cbde5e35489d5b53d69a

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

                            Filesize

                            5KB

                            MD5

                            c0a698cbf89e2ec474e6b4f564f458b8

                            SHA1

                            0d078786b1adbd25f3fb3b80e1b316aa98db2160

                            SHA256

                            4d4235d3534b5d331c71994b1858e8b9ca0743930b4b6584b828fb22c152941c

                            SHA512

                            19a21060d76805a30c719dbf30195a6ec41d868e347de52916e53fb599b4ad5dc27de82926a7718a2af733b6e67c47d97aac8165ebc995d1d1e55564f7a986d0

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

                            Filesize

                            5KB

                            MD5

                            08d8f2f44c81d8bf9466a3f71db426c3

                            SHA1

                            d30784f4aadd8b250747072ae3b17f5f359c1228

                            SHA256

                            99355cdf80471d99b09ec495f606e344ef74e1f51ed9151382d64dc21021d4d5

                            SHA512

                            c8532d8f85940de4fb39f48b3cffd48daea970ac999d0e39f166c82bb218e93ba6d3328ce4ba31fce40f21b379b120877499751ac200343570ade59d2b803843

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

                            Filesize

                            5KB

                            MD5

                            e62e6e25bd7d8d97690b65c164dcb839

                            SHA1

                            c3e91d033783062d8e16ab7259150b55b6dae250

                            SHA256

                            8f80af660a27f4a0ff46ec03c8f1ca0a10f24d2ed091062cd43962e3922a9796

                            SHA512

                            3fb44a256d4b9833cd7895866807164dac7a318e77be33549233b44dc1e6b3ac0dd3e459e4775e2a2003fd96ea043055bd331b5177d1cd43cde955408adeebce

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

                            Filesize

                            5KB

                            MD5

                            538a3097c381df82bae67bcaa7b95810

                            SHA1

                            a118ef48a5b6442a7852ecd056265febed1b1b74

                            SHA256

                            233286d2be674b72ad1a21e35f1fcd1163f0fb4493e7a0c8a8a27dea387e62bd

                            SHA512

                            ac7ccc49fee5b1b0018cb299ad1005b9ab0b62941fff3792210c9d576caa345acec76cc398637cda677334687b6e715125422cb2891dfc083fa24a423cd995c1

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

                            Filesize

                            101KB

                            MD5

                            71e7fb7479f099ef80ece2f783ced91f

                            SHA1

                            b3034a1ae3c10871f86d6a7f7859c0d5936ce785

                            SHA256

                            fed8e405326391694ce50e209b87d100ae9dc4f898634ba1ce5d7fd17428b08d

                            SHA512

                            8de24062daa8bff7b1ccfe02bf65b4cb9febabac1ef13ac9508cc6736c0e587eb7a6e43149b27c44f03632c915b20a59cdfb111da45841a1463154e6cb68c53c

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

                            Filesize

                            101KB

                            MD5

                            dc618bc63aa4ede65075f8620ae2e3b3

                            SHA1

                            1ee63e015da02a432b082cc91fc603f3f56bda19

                            SHA256

                            9eb3cf3e8c96a0e65ad5514053d4b1c85fcaae2eb5f6366759eb0598bcc64831

                            SHA512

                            415d40c1b1816d69c73043d65d6aaa952e28f935e642866eed9873ebb68266dfa6b9cc92278c348cd3e8a3087dafb3cec665404d6b63c7e7b1b1af2c8d81e0c9

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

                            Filesize

                            114KB

                            MD5

                            0a38e2be398fd355482667382a5d2f8e

                            SHA1

                            3587ceab33f0a08475f0929d7ca67804c9859312

                            SHA256

                            0f12d86248a75aca2c7703f70118e3d3424dec49cb5242b3f8fb5475bc9de41e

                            SHA512

                            60c2da1a785ab5785bb3fd4bda2ed8e029d2ea24a82c29d2ed3c76b91dec798bc7db305d60473b6d66915502bf966d74bc6500d38cc9aea3239dea78d764ab50

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe58be98.TMP

                            Filesize

                            107KB

                            MD5

                            3352bf3e108402c4a20483d689e777d5

                            SHA1

                            4aae2124b286fddf93a80a4a8d6c5bd5bb30bf00

                            SHA256

                            b3d5d3e5fde3d4d7647f9ebc901c043e25ff58a692c43158c4603f9d334961cd

                            SHA512

                            8cc2af9b878789e502bb33d24b14828b9a92e9ec4fc5b31a0503d0d2aaaff266d48ec8b5838e3b43fb8cb292af99d123ae563882073ca7e7d545fb3f00506f52

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

                            Filesize

                            264KB

                            MD5

                            9f07e3ba07d0d9a2ed9b36c1fb3cbd54

                            SHA1

                            b7181a7296aed0fc689a5ec475f799a1efd28a2e

                            SHA256

                            efad0c7efba0f244c723ff4a80decd4a28096a2900e209813ca67eb5b1fa5f6b

                            SHA512

                            109a6a687ef3dd8c0a33333a6b4e332e05805aecfded2d800aaaa8a1af949b8fbe49ad48e74e2afa9db27c6824871828ae5307db625ec012a7d870c2d722c79f

                          • 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\New Order.js

                            Filesize

                            24KB

                            MD5

                            f054e5f62da93e9c92d200f9b6b8f9b7

                            SHA1

                            b1a1ace9cc2980de840c5b693914f804d8c931bb

                            SHA256

                            1f3b7ff4328eebc57d61fb3ec57373b23c2c3789873b44019a480f230b424a68

                            SHA512

                            2ecfed38715085997304cb5cee2aa60909e7475f68be7612c4c4c55521a8c6b272bf3432151737651780477eb7575aee14cb0fe26632f5c1f3ce9b32ddf66357

                          • C:\Users\Admin\AppData\Roaming\New Order.js

                            Filesize

                            24KB

                            MD5

                            f054e5f62da93e9c92d200f9b6b8f9b7

                            SHA1

                            b1a1ace9cc2980de840c5b693914f804d8c931bb

                            SHA256

                            1f3b7ff4328eebc57d61fb3ec57373b23c2c3789873b44019a480f230b424a68

                            SHA512

                            2ecfed38715085997304cb5cee2aa60909e7475f68be7612c4c4c55521a8c6b272bf3432151737651780477eb7575aee14cb0fe26632f5c1f3ce9b32ddf66357

                          • C:\Users\Admin\Downloads\New Order.js

                            Filesize

                            24KB

                            MD5

                            f054e5f62da93e9c92d200f9b6b8f9b7

                            SHA1

                            b1a1ace9cc2980de840c5b693914f804d8c931bb

                            SHA256

                            1f3b7ff4328eebc57d61fb3ec57373b23c2c3789873b44019a480f230b424a68

                            SHA512

                            2ecfed38715085997304cb5cee2aa60909e7475f68be7612c4c4c55521a8c6b272bf3432151737651780477eb7575aee14cb0fe26632f5c1f3ce9b32ddf66357

                          • C:\Users\Admin\Downloads\New Order.js

                            Filesize

                            24KB

                            MD5

                            f054e5f62da93e9c92d200f9b6b8f9b7

                            SHA1

                            b1a1ace9cc2980de840c5b693914f804d8c931bb

                            SHA256

                            1f3b7ff4328eebc57d61fb3ec57373b23c2c3789873b44019a480f230b424a68

                            SHA512

                            2ecfed38715085997304cb5cee2aa60909e7475f68be7612c4c4c55521a8c6b272bf3432151737651780477eb7575aee14cb0fe26632f5c1f3ce9b32ddf66357