Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 17:33

General

  • Target
    6a93c6b6467f2e24918f9c39f2b0d91a14974b3af096d39dda126c02f3299bc8.exe
  • Size 4.1MB
  • Sample240907-v411bawalk
  • SHA256 6a93c6b6467f2e24918f9c39f2b0d91a14974b3af096d39dda126c02f3299bc8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • lijaligibidu-35558.portmap.host:35558

  • 127.0.0.1:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Security.exe

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • AgentTesla payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

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

  • Checks computer location settings 2 TTPs 7 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 10 IoCs
  • 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.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a93c6b6467f2e24918f9c39f2b0d91a14974b3af096d39dda126c02f3299bc8.exe
    "C:\Users\Admin\AppData\Local\Temp\6a93c6b6467f2e24918f9c39f2b0d91a14974b3af096d39dda126c02f3299bc8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Roaming\TalibanStealerInstaller.exe
      "C:\Users\Admin\AppData\Roaming\TalibanStealerInstaller.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGkAdAByACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHoAYwBqACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGsAdwBuACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGsAdgBjACMAPgA="
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:452
      • C:\Users\Admin\AppData\Local\Temp\Windows Security.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows Security.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHcAbQBrACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHEAYwB5ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGoAZgBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGQAdwBiACMAPgA="
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4904
        • C:\Users\Admin\AppData\Local\Temp\c9IDU7463.exe
          "C:\Users\Admin\AppData\Local\Temp\c9IDU7463.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2392
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\Client Server Runtime Process.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1904
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Client Server Runtime Process.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4488
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDCF2.tmp.bat""
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:208
            • C:\Windows\system32\timeout.exe
              timeout 3
              6⤵
              • Delays execution with timeout.exe
              PID:1908
      • C:\Users\Admin\AppData\Local\Temp\TalibanStealerInstaller.exe
        "C:\Users\Admin\AppData\Local\Temp\TalibanStealerInstaller.exe"
        3⤵
        • Executes dropped EXE
        • Enumerates system info in registry
        PID:3540
    • C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
      "C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:408
  • C:\Windows\System32\Client Server Runtime Process.exe
    "C:\Windows\System32\Client Server Runtime Process.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAG4AZwB0ACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGkAeABoACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGQAdQBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGoAYgBqACMAPgA="
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4536
    • C:\Users\Admin\AppData\Local\Temp\Windows Security.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows Security.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3736
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHYAZQBuACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAHEAdQB3ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGUAegB4ACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAdQBuACMAPgA="
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1952
      • C:\Users\Admin\AppData\Local\Temp\Windows Security Notification.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows Security Notification.exe"
        3⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4424
        • 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\Windows Security Notification.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1172
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Windows Security Notification.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4964
        • 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\Roaming\malware builder'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2356
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'malware builder'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4160
        • C:\Windows\System32\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "malware builder" /tr "C:\Users\Admin\AppData\Roaming\malware builder"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2956
  • C:\Users\Admin\AppData\Roaming\malware builder
    "C:\Users\Admin\AppData\Roaming\malware builder"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1556
  • C:\Users\Admin\AppData\Roaming\malware builder
    "C:\Users\Admin\AppData\Roaming\malware builder"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        malware builder.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\malware builder.log
        • Size 654B
        • SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 03aceaf7ddbb39db24cd6ca20a4975561aa1ea56048cfe823726f9a56c0de769
        • MD5 SHA1 SHA512 SSDEEP

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 5a9e4969c6cdb5d522c81ce55799effb7255c1b0a9966a936d1dc3ff8fe2112d
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 93c27aa400d50a24a0a414f3458fab4ad857f745a4996befd0c34f35cc525cef
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 f358f33a42122e97c489fad7bbc8beab2eb42d42e4ec7fce0dd61fe6d8c0b8de
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 b441de653f1db11fdcb7756e853676af9c07fc2bdedf51aad9bd48efca291d3a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 7608a129cc2fa7c623970f4cbc0a0390527b945a6ab1ffc02f4268d0ebb6a43a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 b2dd636b7b0d3bfe44cef5e1175828b1fa7bd84d5563f54342944156ba996c16
        • MD5 SHA1 SHA512

        TalibanStealerInstaller.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TalibanStealerInstaller.exe
        • Size 2.5MB
        • SHA256 be453771400d21a320f759b3b99bd7cf07d9d8301db6bce115bafae1aff79fb3
        • MD5 SHA1 SHA512 SSDEEP

        Windows Security Notification.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Windows Security Notification.exe
        • Size 114KB
        • SHA256 50738407f70e37470182a0da6b44e78eb9cd2be3f7c43e066ea85f92388c79ae
        • MD5 SHA1 SHA512 SSDEEP

        Windows Security.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Windows Security.exe
        • Size 164KB
        • SHA256 5ff4fc5985d8d9877dd5b4abe081ee91681b187e99a466b802a8795fd9e500ab
        • MD5 SHA1 SHA512 SSDEEP

        Windows Security.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Windows Security.exe
        • Size 1018KB
        • SHA256 e5b7e580db8476b8e4d2ae806288984df4eb0c5a061bed61c77157a2628ae1ea
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_5tt0bdu4.dov.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5tt0bdu4.dov.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        c9IDU7463.exe

        • Path C:\Users\Admin\AppData\Local\Temp\c9IDU7463.exe
        • Size 971KB
        • SHA256 bf832f28b8d9f2ff077f691bd7e8a2cf46f3a4ac0ee8ee2d2f2944089abd20ab
        • MD5 SHA1 SHA512 SSDEEP

        tmpDCF2.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDCF2.tmp.bat
        • Size 161B
        • SHA256 c9134e610a61a2513edee50ca7ddb00bb135e9fa3ae5c843a3747774908f211f
        • MD5 SHA1 SHA512

        TalibanStealerInstaller.exe

        • Path C:\Users\Admin\AppData\Roaming\TalibanStealerInstaller.exe
        • Size 3.7MB
        • SHA256 651b7894bf375daa0ec4d1fe71ba43f5fd3fcf62363d4141a767f7c8abedb216
        • MD5 SHA1 SHA512 SSDEEP

        WindowsSecurity.exe

        • Path C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
        • Size 75KB
        • SHA256 725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe
        • MD5 SHA1 SHA512 SSDEEP

        memory/452-109-0x0000000008090000-0x000000000870A000-memory.dmp

        memory/452-110-0x0000000007A40000-0x0000000007A5A000-memory.dmp

        memory/452-83-0x0000000006720000-0x000000000673E000-memory.dmp

        memory/452-84-0x0000000006750000-0x000000000679C000-memory.dmp

        memory/452-53-0x0000000003140000-0x0000000003176000-memory.dmp

        memory/452-96-0x0000000006D50000-0x0000000006D6E000-memory.dmp

        memory/452-98-0x0000000007910000-0x00000000079B3000-memory.dmp

        memory/452-86-0x00000000748C0000-0x000000007490C000-memory.dmp

        memory/452-85-0x0000000006CE0000-0x0000000006D12000-memory.dmp

        memory/452-55-0x00000000058C0000-0x0000000005EE8000-memory.dmp

        memory/452-78-0x0000000006140000-0x0000000006494000-memory.dmp

        memory/452-62-0x0000000006060000-0x00000000060C6000-memory.dmp

        memory/452-111-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

        memory/452-112-0x0000000007CD0000-0x0000000007D66000-memory.dmp

        memory/452-113-0x0000000007C40000-0x0000000007C51000-memory.dmp

        memory/452-61-0x0000000005850000-0x0000000005872000-memory.dmp

        memory/452-115-0x0000000007C90000-0x0000000007CA4000-memory.dmp

        memory/452-116-0x0000000007D70000-0x0000000007D8A000-memory.dmp

        memory/452-117-0x0000000007CC0000-0x0000000007CC8000-memory.dmp

        memory/452-63-0x00000000060D0000-0x0000000006136000-memory.dmp

        memory/1904-122-0x0000019B29530000-0x0000019B29552000-memory.dmp

        memory/2088-0-0x00007FFAA7F43000-0x00007FFAA7F45000-memory.dmp

        memory/2088-1-0x0000000000840000-0x0000000000C54000-memory.dmp

        memory/2156-22-0x00000000007F0000-0x0000000000808000-memory.dmp

        memory/2156-23-0x00007FFAA7F40000-0x00007FFAA8A01000-memory.dmp

        memory/2156-97-0x00007FFAA7F40000-0x00007FFAA8A01000-memory.dmp

        memory/2392-60-0x0000000000F40000-0x000000000103A000-memory.dmp

        memory/3540-49-0x000002175E370000-0x000002175E4BE000-memory.dmp

        memory/3540-59-0x000002175F050000-0x000002175F266000-memory.dmp

        memory/3540-54-0x0000021744260000-0x0000021744274000-memory.dmp

        memory/3540-43-0x0000021743C50000-0x0000021743ECE000-memory.dmp

        memory/3736-169-0x0000000000940000-0x000000000096E000-memory.dmp

        memory/4424-192-0x00000000006E0000-0x0000000000702000-memory.dmp

        memory/4872-156-0x000000001BBA0000-0x000000001BC68000-memory.dmp

        memory/4872-157-0x000000001C1C0000-0x000000001C1FC000-memory.dmp

        memory/4904-114-0x0000000007E60000-0x0000000007E6E000-memory.dmp

        memory/4904-99-0x00000000748C0000-0x000000007490C000-memory.dmp