Analysis

  • max time kernel
    5s
  • max time network
    79s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 09:02

General

  • Target

    New Project 1.exe

  • Size

    486KB

  • MD5

    330f592f3a03c5e2c2ed4593d227f1a8

  • SHA1

    55957a8e8d405569c655923dd9414c4ec6c45a0d

  • SHA256

    0f10ed177734b40d0ca45eed258f8c3ca585323e32db8f3cab7387b61de0e679

  • SHA512

    497f9308a49eb1e9451675f447c5774cbaf267dd77b69e1ab494609feca17a20224ac707e54abcb090ee90e1e8187e9fa681c200bcec97ac1bc36b0ce38d15c2

  • SSDEEP

    12288:cWjF6EjvVYEaZ1hJcSx3ThB6xL3s7H4sn4/OxJrinEXL/sT:p68aZ1hlxlay5HdCuL

Malware Config

Extracted

Family

xworm

C2

reference-elliott.gl.at.ply.gg:37420

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Signatures

  • Detect Umbral payload 3 IoCs
  • Detect Xworm Payload 3 IoCs
  • Umbral

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

  • 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.

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Project 1.exe
    "C:\Users\Admin\AppData\Local\Temp\New Project 1.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1876
      • 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\1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:4276
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:4364
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1772
    • C:\Users\Admin\AppData\Local\Temp\2.exe
      "C:\Users\Admin\AppData\Local\Temp\2.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:404
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\2.exe"
        3⤵
        • Views/modifies file attributes
        PID:2564
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2736
      • 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:2648
      • 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:3392
      • 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:4348
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4916
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:1904
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:2744
          • 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:1672
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:4552

      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

        944B

        MD5

        77d622bb1a5b250869a3238b9bc1402b

        SHA1

        d47f4003c2554b9dfc4c16f22460b331886b191b

        SHA256

        f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

        SHA512

        d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

        Filesize

        948B

        MD5

        c9b6705519e1eef08f86c4ba5f4286f3

        SHA1

        6c6b179e452ecee2673a1d4fe128f1c06f70577f

        SHA256

        0f9cad44a79126871580e19b01dc3f880c5173b1faaf8b9018d5d1f829714705

        SHA512

        6d8f85a7a8b0b124530f36a157cd0441b5c1eacdc35e274af9fbf0569d03d1d5e468651a5b2425f0215c282ecfa7b1ffeaeeaf18612822f00bd14306d30640c7

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

        Filesize

        1KB

        MD5

        88be3bc8a7f90e3953298c0fdbec4d72

        SHA1

        f4969784ad421cc80ef45608727aacd0f6bf2e4b

        SHA256

        533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

        SHA512

        4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

        Filesize

        1KB

        MD5

        45ad40f012b09e141955482368549640

        SHA1

        3f9cd15875c1e397c3b2b5592805577ae88a96cb

        SHA256

        ea3b59172f1a33677f9cb3843fb4d6093b806d3a7cf2f3c6d4692f5421f656ce

        SHA512

        3de08f8affca1c1450088f560776cf3d65146cadac43c06eb922c7b3cea436e519966cf38458303ffeb1a58c53f8952cffda6c34216fda7594e014b516e83b33

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

        Filesize

        944B

        MD5

        852f019aa3823e1c90335ba698f31412

        SHA1

        a94ebb8e47316a5fec092ab897ec34299a82d200

        SHA256

        b4bed2ce3d5b6577836eb2b0a766c008243a1db942e341717fb4bc18e84fc2f0

        SHA512

        ca94865644cb570f60cf35a08ad5de6a3af4503bc40845237219c31e910f89cc93b280d997514583d86e6cf45eb2b8749bfe2e41bbaef67471e0b64b579e5ab3

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

        Filesize

        944B

        MD5

        a2c8179aaa149c0b9791b73ce44c04d1

        SHA1

        703361b0d43ec7f669304e7c0ffbbfdeb1e484ff

        SHA256

        c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a

        SHA512

        2e201dd457d055baad86f68c15bcc7beb48d6dc2ffc10db7f304eb93f697e7b45991cbde857d25da2c9c60c23f3e13df8b5ed5809c1753737a23096e296cc9e3

      • C:\Users\Admin\AppData\Local\Temp\1.exe

        Filesize

        88KB

        MD5

        4e4ffd6981f1d7df1e06e02c7a52e86a

        SHA1

        970d227a122a826f587fb49c694a422ec6aff1e0

        SHA256

        353010e5cbdfb234aadfcb40b517b51b24bbac81b64d794d5d8f8b1cd0cd6031

        SHA512

        1f75401fe015416453119bb92ea46c71412f342fe4bf1170bc2655a1c4f1fb4344bdff64df8dfd54f8203b30445225a70f12790432d3b59693e96de2fa5750ec

      • C:\Users\Admin\AppData\Local\Temp\2.exe

        Filesize

        230KB

        MD5

        8068d967a754039c953d677ed75caa65

        SHA1

        c6ca62d0e3f84f4018546cdf40b14ac80b06af95

        SHA256

        b2811334ba1ec945f7f2f1b1976e72dd634a4cf8b5679ceb4c90816d5b646b11

        SHA512

        8f8f9b0c50f3178daa1df6ce16755c7a0de24872a344fe6b93d1a9b11cfad2faa1ed5ad58c6ac9904b889188d8efaba2d51e4240e7a813fffe6878ec8970954c

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ekb42gk3.icr.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1876-109-0x00007FFC21CE3000-0x00007FFC21CE5000-memory.dmp

        Filesize

        8KB

      • memory/1876-110-0x00000000005D0000-0x00000000005EC000-memory.dmp

        Filesize

        112KB

      • memory/1876-192-0x00007FFC21CE0000-0x00007FFC227A1000-memory.dmp

        Filesize

        10.8MB

      • memory/2736-124-0x000001677F660000-0x000001677F682000-memory.dmp

        Filesize

        136KB

      • memory/3208-151-0x000001EFF6160000-0x000001EFF61B0000-memory.dmp

        Filesize

        320KB

      • memory/3208-188-0x000001EFF5950000-0x000001EFF595A000-memory.dmp

        Filesize

        40KB

      • memory/3208-189-0x000001EFF61B0000-0x000001EFF61C2000-memory.dmp

        Filesize

        72KB

      • memory/3208-152-0x000001EFF5910000-0x000001EFF592E000-memory.dmp

        Filesize

        120KB

      • memory/3208-150-0x000001EFF6490000-0x000001EFF6506000-memory.dmp

        Filesize

        472KB

      • memory/3208-123-0x00007FFC21CE0000-0x00007FFC227A1000-memory.dmp

        Filesize

        10.8MB

      • memory/3208-122-0x000001EFF3C90000-0x000001EFF3CD0000-memory.dmp

        Filesize

        256KB

      • memory/4992-0-0x0000000000400000-0x000000000047C000-memory.dmp

        Filesize

        496KB