Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 10:50

General

  • Target

    aimwhere_steam_module.exe

  • Size

    78KB

  • MD5

    f200833ce65e1dc078cec47227c0fd19

  • SHA1

    6676c2ab005e976245f646e9d8255f383b9d8a74

  • SHA256

    8e81cad20a55301586d986a1d15c9e822f807453e1dec2e9a5c82af59167a8f7

  • SHA512

    3c3588671d53b0d316fd4460915466686ca083bba69cba165f55da49f9e1f94c1d89c3041a3d71c5cc66a78144f26c20554d8878c8bc43c6f4b10f2beea057dd

  • SSDEEP

    1536:Ma7N2sxomcA2cfcCsPruA6mvFNHbw78jl0ZQ0h1m6m3rcMOl4KJ:4LcECKrupkjbwgMQ0SXOiO

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:4040

Attributes
  • Install_directory

    %Temp%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aimwhere_steam_module.exe
    "C:\Users\Admin\AppData\Local\Temp\aimwhere_steam_module.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\aimwhere_steam_module.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'aimwhere_steam_module.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4316
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2908
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    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:3480
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7fff97deab58,0x7fff97deab68,0x7fff97deab78
      2⤵
        PID:3596
      • 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=1640 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:2
        2⤵
          PID:1644
        • 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=2060 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
          2⤵
            PID:3132
          • 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=2200 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
            2⤵
              PID:3768
            • 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=3064 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:1
              2⤵
                PID:1628
              • 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=3196 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:1
                2⤵
                  PID:1080
                • 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=7 --mojo-platform-channel-handle=4232 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:1
                  2⤵
                    PID:3104
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4488 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
                    2⤵
                      PID:4440
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4508 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
                      2⤵
                        PID:4760
                      • 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=4524 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
                        2⤵
                          PID:2068
                        • 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=4524 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
                          2⤵
                            PID:1156
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4844 --field-trial-handle=1828,i,6520576253263764881,16644704908089776818,131072 /prefetch:8
                            2⤵
                              PID:4088
                          • 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:4920

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

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

                              Filesize

                              264KB

                              MD5

                              2343fb7a8a83d3f0aea7b80cda170381

                              SHA1

                              943384acfba81a646652111fbaa8b27c1183bc7e

                              SHA256

                              4f9a4a7248d5543821d0ecf78b703936474430a1fd7cc2c7e9bd27e3ad0af254

                              SHA512

                              1bd80179fc186cff3d17e516a39de28d5636617df4f61b4cd96b9e9305333516b122dcab1804dcccb9228e3643ce0e1478db0d8461720cbc7e078622db12eef3

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

                              Filesize

                              1KB

                              MD5

                              feae0b8a7b67b9ee3f48a84f1e8bda1c

                              SHA1

                              0eb91503d7bf5d18e31fce3c66b19e8491b69d35

                              SHA256

                              f5568130fc777dc15b4392d1d53efc06049a18cebc0eda0556744a19d4bde04a

                              SHA512

                              d8e873c3b584ba7f8edb08df9f81bc22781550a7ef5c56898f7ea754a610372834ff3ae5fc2ce3ca5bd06383b657d91cdf1060f26b6037be2ea1c586d2dcacdd

                            • 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

                              356B

                              MD5

                              07c7900636a606aa1a6bd1eade14461b

                              SHA1

                              26313a70d15857b73c05568fc72ed652ee2e28e2

                              SHA256

                              312378e63cc0c17a4f6c7cfd7151d269381718637caed0e82878affc2bd6af4a

                              SHA512

                              424d02cb94a1ed8206aa58e5162f1b3311b125e2af6f52fae4ce93c7ee6e074a69424a4186f8a5a700e9ddf5c42453251c51200b968dfcdc2699561036cd472c

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

                              Filesize

                              7KB

                              MD5

                              6ed82de635fc748328124c02d1a234d9

                              SHA1

                              b124efa6b88728b92adcb7308656a48d4eb3586b

                              SHA256

                              de02f2f52286397c3c8b91c80b8130000a5fcdf0c16a2b20127507305d0a2a0e

                              SHA512

                              f85d33c2209319750f8957041820e3803fa9d2915b6674b2262ae06c2fad89dd964965d521fef1e16008c62db9a834775649e73824c52c70ebbf2f6ea287209b

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

                              Filesize

                              7KB

                              MD5

                              296e714af586623f67dd568b4dc9e121

                              SHA1

                              1c89ffe7aa602228ec303767685c6112e214ad73

                              SHA256

                              efd943f3c58efd241b31394437309072464bb5af222d7f3b360bbbf08b02546e

                              SHA512

                              82617b3a9b4f1993800e19e79ed76f3aef61962df47cc4c34686ffe1611a9f93b4c340c071397f5493f448c7154532393c0952cb29dc24b0d6664b02e633d911

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

                              Filesize

                              16KB

                              MD5

                              be84e67ea6070511557a7f1e3cc19e5a

                              SHA1

                              9fd0c9f842c55cb3ad93c5da05e69c25f9b89b9a

                              SHA256

                              f7467c7dccdc40f70034dd2436b5607d08e7d7be24d5def4d65c343cc9b5ed7f

                              SHA512

                              5d69ea42491a09e2ef8332c07d04df24cd7214ba072a2644b0e27604e3f85b39e0791154d47513b0eb75b53395d13b11e439fb20710daf720e26b3bf44db849c

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

                              Filesize

                              261KB

                              MD5

                              418e433749c0ee5dac7f22f60f77b1f2

                              SHA1

                              6887c9fce7802bb556491beee2a7c1bc68b3a744

                              SHA256

                              7bbd77fe546e75282b8e7ce6ff1c494f57891e409e7a2883945016ed81de48b8

                              SHA512

                              8e227721a0794aae7eba664340e6206630fbaea244a0aad30c3a15e8e946879ae1d062f8994b4a8c9ba3e81d510550d17ffc8dbb138f8320e8783c576043c0ce

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

                              Filesize

                              261KB

                              MD5

                              1fd6dad259637654b4724e5fbc50440e

                              SHA1

                              9b1e6bdef6a6b967e979437bf8357d0dce1eb202

                              SHA256

                              295039292be5d2364d3581c3c888d0a1f6df286887b656f4a98944ba80c972c5

                              SHA512

                              73c8e93677eae86c0d91b32bb948318323e828eb42d99ccc2fc7079cae9a58e60aac798360f5f7139bc9803c80788d24f08891796ede1b0f5eda3326facd3adb

                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                              Filesize

                              2KB

                              MD5

                              627073ee3ca9676911bee35548eff2b8

                              SHA1

                              4c4b68c65e2cab9864b51167d710aa29ebdcff2e

                              SHA256

                              85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

                              SHA512

                              3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                              Filesize

                              944B

                              MD5

                              1a9fa92a4f2e2ec9e244d43a6a4f8fb9

                              SHA1

                              9910190edfaccece1dfcc1d92e357772f5dae8f7

                              SHA256

                              0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

                              SHA512

                              5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                              Filesize

                              944B

                              MD5

                              781da0576417bf414dc558e5a315e2be

                              SHA1

                              215451c1e370be595f1c389f587efeaa93108b4c

                              SHA256

                              41a5aef8b0bbeea2766f40a7bba2c78322379f167c610f7055ccb69e7db030fe

                              SHA512

                              24e283aa30a2903ebe154dad49b26067a45e46fec57549ad080d3b9ec3f272044efaaed3822d067837f5521262192f466c47195ffe7f75f8c7c5dcf3159ea737

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                              Filesize

                              944B

                              MD5

                              4093e5ab3812960039eba1a814c2ffb0

                              SHA1

                              b5e4a98a80be72fccd3cc910e93113d2febef298

                              SHA256

                              c0794e2b7036ce5612446a8b15e0c8387773bbc921f63cf8849f8a1f4ef3878c

                              SHA512

                              f3555b45aa1a1dd5214716dc81a05905c4ecd5a3e1276d35e08c65623ab1d14d469b3b576a5d9638264c1222d73889d2cc1ee43fb579d9ca3fcddd9f557cac7b

                            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mdmepwe2.h0u.ps1

                              Filesize

                              60B

                              MD5

                              d17fe0a3f47be24a6453e9ef58c94641

                              SHA1

                              6ab83620379fc69f80c0242105ddffd7d98d5d9d

                              SHA256

                              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                              SHA512

                              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                            • \??\pipe\crashpad_3480_FISYVPTCDNVUQRQF

                              MD5

                              d41d8cd98f00b204e9800998ecf8427e

                              SHA1

                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                              SHA256

                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                              SHA512

                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                            • memory/436-14-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/436-18-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/436-17-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/436-10-0x0000013147790000-0x00000131477B2000-memory.dmp

                              Filesize

                              136KB

                            • memory/436-4-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/436-3-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4532-0-0x00007FFF9C8F3000-0x00007FFF9C8F5000-memory.dmp

                              Filesize

                              8KB

                            • memory/4532-51-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4532-2-0x00007FFF9C8F0000-0x00007FFF9D3B2000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4532-1-0x0000000000180000-0x000000000019A000-memory.dmp

                              Filesize

                              104KB