Analysis

  • max time kernel
    180s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:57

General

  • Target

    https://cdn.discordapp.com/attachments/1239589556853149827/1239601019995029534/Orcus-1.9.1-src-main.zip?ex=664d6729&is=664c15a9&hm=1331b7c666d87a329361de96ecf8b99d71fec546c602ec68c43e1b65d84f64ab&

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 39 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument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/1239589556853149827/1239601019995029534/Orcus-1.9.1-src-main.zip?ex=664d6729&is=664c15a9&hm=1331b7c666d87a329361de96ecf8b99d71fec546c602ec68c43e1b65d84f64ab&
    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:4724
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc0689ab58,0x7ffc0689ab68,0x7ffc0689ab78
      2⤵
        PID:4316
      • 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=1708 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:2
        2⤵
          PID:540
        • 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=2136 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
          2⤵
            PID:4652
          • 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=2180 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
            2⤵
              PID:4024
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2956 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:1
              2⤵
                PID:1292
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2964 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:1
                2⤵
                  PID:1708
                • 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=4748 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
                  2⤵
                    PID:212
                  • 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=4872 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
                    2⤵
                      PID:2192
                    • 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=4632 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
                      2⤵
                        PID:2920
                      • 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=736 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:8
                        2⤵
                          PID:4484
                        • 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=2348 --field-trial-handle=1888,i,5894727942487994446,13777085845976453665,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:872
                      • 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:4204
                        • C:\Windows\System32\rundll32.exe
                          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                          1⤵
                            PID:1412
                          • C:\Users\Admin\Desktop\Orcus-1.9.1-src-main\Orcus-1.9.1-src-main\BuildTools\7z.exe
                            "C:\Users\Admin\Desktop\Orcus-1.9.1-src-main\Orcus-1.9.1-src-main\BuildTools\7z.exe"
                            1⤵
                              PID:2996
                            • C:\Windows\system32\mspaint.exe
                              "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\Orcus-1.9.1-src-main\Orcus-1.9.1-src-main\Test\ServerStressTest\Icon.ico"
                              1⤵
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of SetWindowsHookEx
                              PID:3944
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
                              1⤵
                                PID:2936

                              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

                                6864f1cbc836137d20c4897389fef236

                                SHA1

                                9a809ad76ef3598fa27f6df57cf32908aa6ef152

                                SHA256

                                341bffd6f32a70d5d0e49a33d3f14714e0d8b7692626bccb3ad51b80a77c7463

                                SHA512

                                88e4b69f7312e0de5067fe146db56c856225b5bd9aae90c35fea544a0011b17c022b6ba310be0a83755ae405c7f509d5db08ce528a61777b5cfea7c27639c57b

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

                                Filesize

                                1KB

                                MD5

                                8fb79e43ca448227bdb01371fa4670d1

                                SHA1

                                f74a144e4ea3d9c96e4e94c37adabf30a4d169fa

                                SHA256

                                d77869909d242302af36982fa99c8c2c7de8f438415689adb9e9317b76b2fa51

                                SHA512

                                15fb176d1149df7b67abc6ab64ea8d4a2cf915fb6b9792b1aef1563534e531ad3d4d4c70f88e66dd4abb1c2465b351a9095f54da15696b32e0e49b9004289df1

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

                                Filesize

                                1KB

                                MD5

                                50d9c8f3302bcebbf981c270c1c75d18

                                SHA1

                                2321564b909fb0d08fde05c97d8157fa4cd4f164

                                SHA256

                                dda1ad3bc4a0b9e5538ad1921851855781f2fe6027c3eb0db0fbe077f11eee02

                                SHA512

                                78b98ccb07a48af016ccb839b3e8afec9332f4cc588a845281c2977ab290846be85c8406bbd67be808fa099634ee24e0efdb6f0eb8ff0e95523b2c634563bb42

                              • 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

                                f0e04d43c892e8687813004a877a01d4

                                SHA1

                                8603fe7be4acb234b60e6ce573af97f23459e293

                                SHA256

                                81ae11f5f940e945b7af801c6a1ea3de77536f6ca7ce609211a7191a1d86bcc7

                                SHA512

                                d5a023dff5230648f8c717e2c5383adcfafd35aaa115b41cc6d229d1e507d3eb50f66c775ac6809f940410b93f837c82e168751bdfcc6fe7ee846a4d998b0365

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

                                Filesize

                                7KB

                                MD5

                                895a26f23d3665177538aeede6865dd4

                                SHA1

                                3a36e52de185c38884e1e158e52ce5e9cde01c52

                                SHA256

                                6bea75ebde04439133a4472ca7ce63d91090fff51449f42035c4ec4321eca23e

                                SHA512

                                5da0fd1d3503d844ede74b1c6f071346eabdf52e3c8a39121d73a94259b247c596d846de25071cb4beb223f2ad96957923e47abe71e539af7207717dff9d4885

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

                                Filesize

                                129KB

                                MD5

                                5b635a85e8337a8da1c83e48de499eba

                                SHA1

                                261d4bf91d815338b417d1b16b7119965a792a30

                                SHA256

                                686e400575baf6a6537a9fb374e1ea555d2d780659e09d4f844dc555f6cf3823

                                SHA512

                                494e62875dadb103211365836b220af1c872bd6a3ebb8ee005e79f55e404103550140dab775d6b22dfc474b41b4d70d31ba46bd8e11f1eeca6957a2dbc0aae0c

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

                                Filesize

                                94KB

                                MD5

                                377c3c17428a3b62339c947e2088502e

                                SHA1

                                4739e4c4f7f7d5fcdbc8a530d60621c194ebb07b

                                SHA256

                                31250894392946f82388390e83b2c405a233bce6ca1d698d1d4ea9c02a20401c

                                SHA512

                                c56f79c2a7fd39fbd11af648439d3ee5a87966c497cd7bbfc4891d592ddb13f999f75de2203b4a521ad310e20cdb5a9318747e6f9a7efe10899d953fc227f14c

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe58dbb5.TMP

                                Filesize

                                94KB

                                MD5

                                3b788c40da326aab0a1031319611aa99

                                SHA1

                                d96d96d408577d4dc72d4465a8745b61a46c7e7e

                                SHA256

                                86664993b50e63ef4a63d03c3237fb8aa084fe5a1a0f2c87ee85ac855cfe2aa5

                                SHA512

                                2d5aaa01210ffe2dcd622787999077b6b74bebf2371df274572272b9700c1eaf5520629abeed8806f3ae9c20eff0e61791e5940bbbd4cfcc968927325e7d857d

                              • C:\Users\Admin\Downloads\Orcus-1.9.1-src-main.zip.crdownload

                                Filesize

                                19.1MB

                                MD5

                                4c2625dee22754770a9f80ac990e31d6

                                SHA1

                                28e28793f9a0eaf43e58753d6f725561e56b68d5

                                SHA256

                                9558304d6c36e01d95981dab176a9a144a0e567a2bee50dd96f7e0bc4a231b50

                                SHA512

                                eab39264128e7222c1fd2100e305d5cdbda8731214db2eaafcc884cab9b4721e98ddc9f526cdc7949646b547595c6fce9964783211ec9b2c35dc9140ebb02bff

                              • \??\pipe\crashpad_4724_NQITJJZJRIPHRZDC

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e