Analysis

  • max time kernel
    18s
  • max time network
    18s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-08-2024 21:49

General

  • Target

    http://steamcommunity.com/gift/32360572365825

Malware Config

Signatures

  • Detected potential entity reuse from brand steam.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://steamcommunity.com/gift/32360572365825
    1⤵
    • 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:920
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb6cae9758,0x7ffb6cae9768,0x7ffb6cae9778
      2⤵
        PID:688
      • 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=1520 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:2
        2⤵
          PID:3612
        • 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=1800 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:8
          2⤵
            PID:3440
          • 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=2104 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:8
            2⤵
              PID:4848
            • 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=2628 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:1
              2⤵
                PID:3192
              • 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=2636 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:1
                2⤵
                  PID:4568
                • 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=4436 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:1
                  2⤵
                    PID:3016
                  • 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=8 --mojo-platform-channel-handle=5008 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:1
                    2⤵
                      PID:5060
                    • 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=9 --mojo-platform-channel-handle=2960 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:1
                      2⤵
                        PID:4528
                      • 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=5492 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:8
                        2⤵
                          PID:1296
                        • 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=5564 --field-trial-handle=1824,i,12901672915683076972,14653340376441354416,131072 /prefetch:8
                          2⤵
                            PID:1476
                        • 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:4108

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            705B

                            MD5

                            9b11897d34eb3947239a667a744b1eae

                            SHA1

                            6f33bc22f8ed1252e76be5f1acbab1e71fa94aa2

                            SHA256

                            c5d9822993f4705e433692044c2c42aab7f6d6e446449451d89ad3d697683e3e

                            SHA512

                            6eb6abfd3fee5d3ebf244748d3a1e4ea0486262aac7b7694e86d483749cbd157e0bf3a08053077afee697a15ef7e31a0f9a88863d2f3bf457a5cc97027c79e16

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

                            Filesize

                            6KB

                            MD5

                            2f38b8207176146dab270b8a7477fe22

                            SHA1

                            5ba5c6ce2384caf16971ff2da9350d92c464ef50

                            SHA256

                            3ab183b69504003f0b1535eeb9816f7f7d80942c258ae81b24d863003a91590e

                            SHA512

                            3f4fc874944af9bb607227139c6c9b5b7351088b8992cc37bb68e7de8b575d82c9585731df1bceb759a22a61bc31244c34f2196cfb7c5ac8a6757ce447a220a6

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

                            Filesize

                            136KB

                            MD5

                            4554ff0b35d134a26726645c09e74eb4

                            SHA1

                            1667bb66e1e83bc74998d611ce34aef364e97148

                            SHA256

                            7af7729956c7eb49d6dc4d4d70fd0e64ceb9cf0233d5a73374c679b4e77016ba

                            SHA512

                            605820b8dd41262b0ab25d66b519b92acf8a936154108d750bca19c24bbf23e306161747d1e8e4d640892e9dfaee94b90c590abf50cea8627d2b715b33e5cd8c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                            Filesize

                            2B

                            MD5

                            99914b932bd37a50b983c5e7c90ae93b

                            SHA1

                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                            SHA256

                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                            SHA512

                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                          • \??\pipe\crashpad_920_AWFGEYQKGBBZOSGK

                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e