Analysis

  • max time kernel
    68s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 17:42

General

  • Target

    WaveInstaller.exe

  • Size

    231KB

  • MD5

    0eca651a9a275b0674a052b757f4b9ae

  • SHA1

    d646b68d18a28ba263ea2930e58f0b30ac83b4a3

  • SHA256

    64f6576c6db1eaaefbe0ab36e362592c8b27ff856cfcb29c032d06c1f289df1c

  • SHA512

    d1f62b20625a982c3b59fdc56af47833b5f3e0ed2bb3aa03b1c8b71c3160999d87bc53f9f4f7bf1cdf6d45d87ff6e5c96a5cc0977c0da9b6ec1278b3c24870d5

  • SSDEEP

    6144:RloZM+rIkd8g+EtXHkv/iD4hE3sR8e1mRi:joZtL+EP8h/B

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1208
    • C:\Windows\system32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
      2⤵
      • Views/modifies file attributes
      PID:2672
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2208
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:1240
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:1672
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1184
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:2056
        • C:\Windows\system32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe" && pause
          2⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2072
          • C:\Windows\system32\PING.EXE
            ping localhost
            3⤵
            • Runs ping.exe
            PID:2020
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        1⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2504
        • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6799758,0x7fef6799768,0x7fef6799778
          2⤵
            PID:2008
          • 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=1168 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:2
            2⤵
              PID:1816
            • 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=1504 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:8
              2⤵
                PID:1492
              • 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=1556 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:8
                2⤵
                  PID:2404
                • 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=2076 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:1
                  2⤵
                    PID:1652
                  • 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=2084 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:1
                    2⤵
                      PID:1984
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1164 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:2
                      2⤵
                        PID:2756
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2976 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:1
                        2⤵
                          PID:2740
                        • 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=3356 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:8
                          2⤵
                            PID:2572
                          • 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=3556 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:8
                            2⤵
                              PID:2200
                            • 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=3456 --field-trial-handle=1376,i,7693890222199457018,384562663017877750,131072 /prefetch:8
                              2⤵
                                PID:2888
                            • 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:1072

                              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

                                f50f89a0a91564d0b8a211f8921aa7de

                                SHA1

                                112403a17dd69d5b9018b8cede023cb3b54eab7d

                                SHA256

                                b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                SHA512

                                bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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

                                Filesize

                                1KB

                                MD5

                                89ea44c411de1d5b561e09c7337179fe

                                SHA1

                                f3d0cddd7cee4465928199f779d88ffe812d4e8a

                                SHA256

                                8e0334ac0d047b8932068b3dc1dccffe39fc5169c5205fa8df4561c822ca6a79

                                SHA512

                                d3ba17c4cdff733968a9132f3548ccc91aba82bf79195438718fcdf54a53da0c23b3c86f1e92116c6d848ef2ccea5c562615c5df6fb60a78746ecdf1c8977bf8

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

                                Filesize

                                5KB

                                MD5

                                0ecf6ec8e2172c680f3a4578bc324a58

                                SHA1

                                dd645af39b930910451f476b62eece6f66f684af

                                SHA256

                                fdab2b35de5c8717c3e682bdc84c600cf5d3b5620a795678adff072adbf6df83

                                SHA512

                                df36dc7240879ff6e1f3570692ce1a11a17a07fb1d1131a8db73c800c63575a7636a15392dd52702ade6f32e93b1d838d2802278132e1928cbc9d5d12113c524

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

                                Filesize

                                5KB

                                MD5

                                4bd2dd72a468a6e28ee05c03f2b4ec97

                                SHA1

                                e52293acf032067ec1de7a4564a0388b157bd7c5

                                SHA256

                                6fc2ccf52c68bde8393ab6606309f04c31973f654facdcf016be007db098ca42

                                SHA512

                                6a548d697dcd6be618648490a96a60e367259fd77a5d101dbc07ef5faad561755609abb48c573b52a9ee4acad50cbaf560d70ffb86d064324ed991d06f6f2aed

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

                                Filesize

                                7KB

                                MD5

                                09e573e747260a8c45d1189aa10564f1

                                SHA1

                                483588a1802945f65b9177f091b2df18eed9b6c3

                                SHA256

                                83497a1669ed55bbeccd9d2f15759abd38eba03ddf516cbe632d3bf7c2f8537e

                                SHA512

                                6395b6dc1104e5878b50d99fbe598702c46c35c913eb0ec9adf1c88aae5c056f538280dc1f18581ff8015160f05eb8741f2715a3054d086c6db88e2c037954d9

                              • C:\Windows\system32\drivers\etc\hosts

                                Filesize

                                2KB

                                MD5

                                577f27e6d74bd8c5b7b0371f2b1e991c

                                SHA1

                                b334ccfe13792f82b698960cceaee2e690b85528

                                SHA256

                                0ade9ef91b5283eceb17614dd47eb450a5a2a371c410232552ad80af4fbfd5f9

                                SHA512

                                944b09b6b9d7c760b0c5add40efd9a25197c22e302c3c7e6d3f4837825ae9ee73e8438fc2c93e268da791f32deb70874799b8398ebae962a9fc51c980c7a5f5c

                              • memory/1184-44-0x00000000022C0000-0x00000000022C8000-memory.dmp

                                Filesize

                                32KB

                              • memory/2344-15-0x0000000002290000-0x0000000002298000-memory.dmp

                                Filesize

                                32KB

                              • memory/2344-14-0x000000001B790000-0x000000001BA72000-memory.dmp

                                Filesize

                                2.9MB

                              • memory/2528-8-0x00000000002E0000-0x00000000002E8000-memory.dmp

                                Filesize

                                32KB

                              • memory/2528-7-0x000000001B7D0000-0x000000001BAB2000-memory.dmp

                                Filesize

                                2.9MB

                              • memory/3016-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp

                                Filesize

                                4KB

                              • memory/3016-48-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/3016-2-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

                                Filesize

                                9.9MB

                              • memory/3016-1-0x0000000001320000-0x0000000001360000-memory.dmp

                                Filesize

                                256KB