Analysis

  • max time kernel
    77s
  • max time network
    79s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    19-11-2024 07:51

General

  • Target

    https://stueamconmymmnlty.com

Malware Config

Signatures

  • A potential corporate email address has been identified in the URL: [email protected]
  • A potential corporate email address has been identified in the URL: [email protected]
  • Detected potential entity reuse from brand STEAM.
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://stueamconmymmnlty.com
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2120
    • 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:4 --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=123.0.6312.123 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ffc373bcc40,0x7ffc373bcc4c,0x7ffc373bcc58
      2⤵
        PID:4904
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1956,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1952 /prefetch:2
        2⤵
          PID:4944
        • 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 --no-appcompat-clear --field-trial-handle=1544,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2200 /prefetch:3
          2⤵
            PID:660
          • 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 --no-appcompat-clear --field-trial-handle=2256,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2456 /prefetch:8
            2⤵
              PID:4324
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3136,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3160 /prefetch:1
              2⤵
                PID:2820
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3164,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3192 /prefetch:1
                2⤵
                  PID:3248
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=3884,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3660 /prefetch:1
                  2⤵
                    PID:2088
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4380,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4052 /prefetch:1
                    2⤵
                      PID:1596
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --no-appcompat-clear --field-trial-handle=4860,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4876 /prefetch:8
                      2⤵
                        PID:3196
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4880,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4908 /prefetch:8
                        2⤵
                        • Modifies registry class
                        PID:416
                      • 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 --no-appcompat-clear --field-trial-handle=5404,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5416 /prefetch:8
                        2⤵
                          PID:4380
                        • 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 --no-appcompat-clear --field-trial-handle=500,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5444 /prefetch:8
                          2⤵
                            PID:1984
                          • 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 --no-appcompat-clear --field-trial-handle=5044,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5416 /prefetch:8
                            2⤵
                              PID:708
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --field-trial-handle=5548,i,5885093417160307829,18385527835212855875,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=5560 /prefetch:1
                              2⤵
                                PID:3628
                            • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                              1⤵
                                PID:3860
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                1⤵
                                  PID:4192

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  649B

                                  MD5

                                  c58dc9999e5506fd6b7e8fdf43c2461a

                                  SHA1

                                  f720d7c1203bbfe853885f09b06082704757c47e

                                  SHA256

                                  de6a40981ac74e73b26259f773c8c6d0ca0fa59e80fa62a0096cc3dedb9e172e

                                  SHA512

                                  acf383f066370f9603372fe52a80524a8ebaeb3f84aa3c6b4740569f9dde61597ed685cd5258ce6e586e065499215ecaa65a0bd47a9a110111b04ddcafbf9b70

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_00002a

                                  Filesize

                                  43KB

                                  MD5

                                  7f2c172ca810d85c0596390b4ab21df3

                                  SHA1

                                  d4acb412e626e744609aa326247bd7eeec469bec

                                  SHA256

                                  4ccac6b00b8d6b7bec9886d8a23d84131bed955d995a37b5017196b03d1edab6

                                  SHA512

                                  961fd847cdc7b7c54dcb5ec19e3446701de454e9d06e1e2025360a1d0b426d204fb8aec90b854c7b2dbe3153aa66b5d90ba56f8ac6a8bc996177642d6f55c263

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  1KB

                                  MD5

                                  0abd93280448e5e0f4d3213c09320e5c

                                  SHA1

                                  8f7f3b2eb3a118529c34480bffb6bb54fcdb48d0

                                  SHA256

                                  1d11089f004a02c083e902399aa9bebaf0ef0754a58df99d70abe1e102817ae3

                                  SHA512

                                  181ff7c767e09c0d6700f2c34bbac8c1dcec8faaa4e81344cf9ed298f9e1d1a679126f4ece2e1aff44eba50f39a27dd0616227307e5fdbe020440286d55a1e9d

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

                                  Filesize

                                  9KB

                                  MD5

                                  43b2813a1bc5ab594fb3a22c6ea00139

                                  SHA1

                                  29f887aa6f99071a1d66b86777b0e747670618c8

                                  SHA256

                                  635939a2f0c21962bbfde1917c824ad5cda77837ea76100b60b1e4bf91938223

                                  SHA512

                                  091f944c2f1b3440b97da9455108885e295cfe21766555cc20d884b4b88b6f82173444ea1f65934d3362768c385afe294cc4c08b051c144b75347fc15a57e990

                                • 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\Network\TransportSecurity

                                  Filesize

                                  1KB

                                  MD5

                                  2a6804fbff1bbe2a0d297391f5335102

                                  SHA1

                                  9e72801f97a61b5fffc42c7d383258bd14e6b80f

                                  SHA256

                                  fba72e04effe688e91df4a61fad49f1ff3516ff28d8a400e64624b723545dc08

                                  SHA512

                                  5bdfb1a2afaeb7e0a96e2b50699f215e06964883963d659a154bb4856c584085256d8a820b265033c1e168479d68cbdc7528cec4549c5fce9f6286c1147c0016

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

                                  Filesize

                                  1KB

                                  MD5

                                  e1d51d116bb6040f26f18ed3e9c369cc

                                  SHA1

                                  9b005843b04a2a3f191b0384ff7ee37d861fe441

                                  SHA256

                                  631a7dbcdfb13c16c7e684b5848c4a434937db1c7449247115544d391db8b186

                                  SHA512

                                  616d372bef37bdee9a781fcb4ca39b4ae3072de322f1892ec4bebe1c76f1f6ceaab34aad8a4c6c2cc08b5688cb72c7e3d8a635959e78a0ac9f840e006f0b5cc3

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

                                  Filesize

                                  1KB

                                  MD5

                                  00b2de3872d36d16bb15378c02d5b96b

                                  SHA1

                                  51f2898a735192cc5fcccabeea6a5d499f545e7d

                                  SHA256

                                  612015079b989259d337a1e4f1ccbacb1d91542d17218a53c76ff798524891e1

                                  SHA512

                                  8c89ee9ffa7a35f990e696ce827f58e43d19bd84318b1f2f5c4cd9a40bd9ec1deda14043a6047004f403a37f3bb5d9467367299c87e5b02106e32212f8499c04

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

                                  Filesize

                                  9KB

                                  MD5

                                  c9a0183f988d990d9bc7eb5adc2b7207

                                  SHA1

                                  036a7acb64ab1eaf9c4057942f6e5156785f78d5

                                  SHA256

                                  3b453077f6be1cd80ef2a5138df72d1b97b5ca836fa0f3d585d936e09fbcf264

                                  SHA512

                                  8e3cff81edc11d2d3c3361d6e58735ee110c5e0912996e16013f9c76fba0601cae89bf7117a8b6e45493bf5d421825067b74b2e89349948d33e330e04d8fec95

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

                                  Filesize

                                  9KB

                                  MD5

                                  2adfbdce862575fdd0059318e9bd6ef5

                                  SHA1

                                  267fa02175bcd9a0bb21a8716943a729d425c6c6

                                  SHA256

                                  cf5f2246b62e69142cf0b68e6d6cf64cd9186b767f850d2e5b1a1f945d89ecf3

                                  SHA512

                                  1b6e78bcb131c12676e9ce9669d5165002395a00987951605cdb85debd09fb2cd2389e003616405adbcabfb35b2627c390cd7868d45d4c5c9b1a5fc4a4cdc52b

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

                                  Filesize

                                  9KB

                                  MD5

                                  b8e435e1c930e7379d793290679dbe99

                                  SHA1

                                  5c54b9b7cd46a57c7bfafd652ed778f5506a5d97

                                  SHA256

                                  b36aa69886de489f592371cb5e7b5bdb0124c9886646c17b32b4432ba59015fe

                                  SHA512

                                  9eb4a2b24a7f869a333d240013138e831fa5a790c3a7e0dca644f7684d48bcfe7a87165691efdb5a2a2dd460169dc55245d8c06d111b65f7e1a55616d1196547

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

                                  Filesize

                                  9KB

                                  MD5

                                  0435e3d581ccd9aa4e905b6813f8ccd3

                                  SHA1

                                  6f1a3ad94365ba4ba8862d3b3ebf74612badf124

                                  SHA256

                                  1c6f074c1b4d12855cd0a8ff1060feccdb5255afcd73ac4f19b7b8933631f754

                                  SHA512

                                  5a75b454d7454ef7a6fccef0963fef7b7166cfd487055ea069ef9b1b8f43c5f4d8093b458854b7a1017ef869b7d0c03484d5d5d62f1a9e1f51d4d34c40adad9d

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

                                  Filesize

                                  9KB

                                  MD5

                                  e1b29a044878afc4193c44999a0cab3f

                                  SHA1

                                  78a4cf1a837cd68f69e1f5a01eff3af6f1bfeaaa

                                  SHA256

                                  4f206acd5b73361ef442b5b5a188db49a2ca12729059c9c85daa8298e11ad398

                                  SHA512

                                  82ae33d4b6a60e4394b242030ea2fa6bfc79de7b6a3233f8d3bf226e9709a38b3478a54f32bf32cd7ff48525e2107b67ad1136f5181458dff419ace4f8d905ca

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\WebStorage\2\CacheStorage\index.txt

                                  Filesize

                                  87B

                                  MD5

                                  cec16b3b4b16f1b8158d764663e23821

                                  SHA1

                                  b85db34f14f3674f4e42e303a6b10131ef2fe65f

                                  SHA256

                                  89e2441e80a6cd1e6d6a55ddf9ca379adc38e063a97ea6a81cf58634fde6d6b9

                                  SHA512

                                  9a185cbbdf6753435fbab0d4735d158bcb566287687787b7100867fbd2d1abddd4afef9e2c663b25e84013354ab70817d79cf86f7f0bb601579e02c376452b43

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\WebStorage\2\CacheStorage\index.txt~RFe57a24b.TMP

                                  Filesize

                                  151B

                                  MD5

                                  88dad306902565267e2b25d4eaa3bf4a

                                  SHA1

                                  0f625e141645c5a8afe4c37ccc054f171bf031d6

                                  SHA256

                                  f0db695a7614a9630a8a5ca1a448c679a187a31e279fd3738e56cae4e8c230de

                                  SHA512

                                  945427c7aaac3e0cdbfc8fd8a60b14b43a43ca11f7ca9fbe392f6e83a8eb48fad90de548100766aab76ef908307d7cbcbd132be2ca09eec32574ed7eed53caac

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

                                  Filesize

                                  120KB

                                  MD5

                                  1ed8adaf56fee3936818cfdc77c0d458

                                  SHA1

                                  8f6878c543f2633c34caf02cd1f634ae0f248abd

                                  SHA256

                                  51bec850b1d3e826f45458770879549ca9951b3313f033bcf6403d021632eb81

                                  SHA512

                                  c78bcb810c4265230f9ba507f88fd41299567f58537739bef432834a21b8997bafe6728bb88699cc8c7e34c2a417975713be0bfda20470227eef450dcc5fbb98

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

                                  Filesize

                                  120KB

                                  MD5

                                  a8827020649eed7e9d906b256dd147ef

                                  SHA1

                                  fc618eb218c1009876a1e1b74ee3d1d49c7ebb48

                                  SHA256

                                  8d67c884cacc7aecb2aeee0cccbefefcab90ff0b8dd4be026e674ea5f5f93699

                                  SHA512

                                  c15f265dfc7a6690a17c3da9bb7be24311d3e48a629666f8023d6c4954372794601a82f42470a1240fabbe1e8f7509928e0660fd32bc47459d9a9889e278f5af

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

                                  Filesize

                                  150KB

                                  MD5

                                  491e7129b2a862b4f42e43d46795fb56

                                  SHA1

                                  e04c2d69aa28c8b57f025f4dcf1798ba5c82ad9f

                                  SHA256

                                  571543de42978372aadf1a7d9bb118678369a26f72a356954644f230d301c839

                                  SHA512

                                  7c3975534641222bb314ca98282a39937fb7950aa664c223344c881a1d144c75d772042f0c72ce7b068ffd047218b5e36efe8da21db7e3e68ea425a3fc9a16e1

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

                                  Filesize

                                  120KB

                                  MD5

                                  5dda1b44857daf1d591340efc1850bc4

                                  SHA1

                                  d2a4e1afac3bd281b69116f6c9babe3dc49b6016

                                  SHA256

                                  90b7d7ab9c24b1864f9421363ee90d67eba3dd74d754c7451af412f93d35918a

                                  SHA512

                                  4f4d000a6944beb3afe64f26d8a649849a625e08ca9e653e30d108b042fa158254c94c23869ebdf2d0bf55f6335bbdcb9a637633412f22b06ff5854ac71f9d87