Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2025, 11:48

General

  • Target
    darkstream1.exe.bin.exe
  • Size 8.1MB
  • Sample250316-nyjeratly3
  • SHA256 d22517dafccc940c38f7fc6004d215d9fa9a7a1da8f0c7f2b552be3bcfb94767
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 127.0.0.1:12812

  • ireland-regardless.gl.at.ply.gg:12812

Mutex
  • Eo09znPDqTbDm57V

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 17 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 processes with tasklist 1 TTPs 1 IoCs
  • UPX packed file 48 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of WriteProcessMemory 26 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\darkstream1.exe.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\darkstream1.exe.bin.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Roaming\injection.exe
      "C:\Users\Admin\AppData\Roaming\injection.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2016
      • 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\dllhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:716
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'dllhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3672
    • C:\Users\Admin\AppData\Roaming\Built.exe
      "C:\Users\Admin\AppData\Roaming\Built.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1140
      • C:\Users\Admin\AppData\Roaming\Built.exe
        "C:\Users\Admin\AppData\Roaming\Built.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4640
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Built.exe'"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Built.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5784
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2032
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5504
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5572
          • C:\Windows\system32\tasklist.exe
            tasklist /FO LIST
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1988
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4088
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic csproduct get uuid
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:5680
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2056
  • C:\Users\Admin\AppData\Roaming\dllhost.exe
    C:\Users\Admin\AppData\Roaming\dllhost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5712

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

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

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 98d17949831dda7243aa8b24a66443eee75d0805996826290fbe1a75bfc79e72
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5
        • MD5 SHA1 SHA512

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_bz2.pyd
        • Size 50KB
        • SHA256 fe14d1af436b07370607c6798c3eb15fc439837cc9cbe7cbc3271b07c9ed55b6
        • MD5 SHA1 SHA512 SSDEEP

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_ctypes.pyd
        • Size 64KB
        • SHA256 0712d9412ea0d276c9a726765c072e00146f5aea853818d177b1a5b425839641
        • MD5 SHA1 SHA512 SSDEEP

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_decimal.pyd
        • Size 119KB
        • SHA256 286c99901c103d39c3e79bf30ce06f2825260e04ef7d2f0d77fcc08fb93e1d4b
        • MD5 SHA1 SHA512 SSDEEP

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_hashlib.pyd
        • Size 36KB
        • SHA256 60d239d691eb3e31d99848ba9167b5797c897b2896fa5605e61f5bce08e9cb11
        • MD5 SHA1 SHA512 SSDEEP

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_lzma.pyd
        • Size 87KB
        • SHA256 491b8a4f143c7a505e7c36a2279e84aca902e65a1e28aa6d50bcc37dbf6b5334
        • MD5 SHA1 SHA512 SSDEEP

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_queue.pyd
        • Size 27KB
        • SHA256 65ad239871835a3823401647b2dad935075b4e33a5913fd12d7f2a02b6c49d82
        • MD5 SHA1 SHA512 SSDEEP

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_socket.pyd
        • Size 45KB
        • SHA256 2a6b686817b640dcabc58e60289d9ace9ace3e4bc217d78953439549cee65a8a
        • MD5 SHA1 SHA512 SSDEEP

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_sqlite3.pyd
        • Size 59KB
        • SHA256 cc17586da3a099b45644ce76cd53ffcb3f5836e9db213152e3a880569c50ca7a
        • MD5 SHA1 SHA512 SSDEEP

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\_ssl.pyd
        • Size 68KB
        • SHA256 e07199062e32fb086f8cb35c36239f1bdfe15ea10f72864fed1953dc0c2dd61c
        • MD5 SHA1 SHA512 SSDEEP

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\base_library.zip
        • Size 1.3MB
        • SHA256 016d64f5350ce90976563e0c70545a01e24aebef69b938d37d166d3434852348
        • MD5 SHA1 SHA512 SSDEEP

        blank.aes

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\blank.aes
        • Size 112KB
        • SHA256 f12a16d9acc3a42bdb65ddeae6f924a2a4057856d9620be8933bdfb7c6b77eff
        • MD5 SHA1 SHA512 SSDEEP

        blank.aes

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\blank.aes
        • Size 112KB
        • SHA256 c12e1958ebe20a65831f64e84b70c51c8ca89167728160c5f176d730bf451f8a
        • MD5 SHA1 SHA512 SSDEEP

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\libcrypto-3.dll
        • Size 1.6MB
        • SHA256 88e8aa1c816e9f03a3b589c7028319ef456f72adb86c9ddca346258b6b30402d
        • MD5 SHA1 SHA512 SSDEEP

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\libffi-8.dll
        • Size 29KB
        • SHA256 135c772b42ba6353757a4d076ce03dbf792456143b42d25a62066da46144fece
        • MD5 SHA1 SHA512 SSDEEP

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\libssl-3.dll
        • Size 221KB
        • SHA256 3cc6828e7047c6a7eff517aa434403ea42128c8595bf44126765b38200b87ce4
        • MD5 SHA1 SHA512 SSDEEP

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\python313.dll
        • Size 1.8MB
        • SHA256 4712a6bb81b862fc292fcd857cef931ca8e4c142e70eaa4fd7a8d0a96aff5e7e
        • MD5 SHA1 SHA512 SSDEEP

        rar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\rar.exe
        • Size 615KB
        • SHA256 90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
        • MD5 SHA1 SHA512 SSDEEP

        rarreg.key

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\rarreg.key
        • Size 456B
        • SHA256 58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
        • MD5 SHA1 SHA512

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\select.pyd
        • Size 26KB
        • SHA256 8e2c5b74031b80a20bd16c149a389e60b3845d9719d97e030c42e9718cc08937
        • MD5 SHA1 SHA512 SSDEEP

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\sqlite3.dll
        • Size 645KB
        • SHA256 85b1d4d0b7db01ecb9b8c6b1b68ab122e0807eaa607551ba08849fdd957b889a
        • MD5 SHA1 SHA512 SSDEEP

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI11402\unicodedata.pyd
        • Size 261KB
        • SHA256 bc52593f047cba026641ebd758133551289dcca17817c836cbb006d4529d7aa7
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_1bcjnufu.3kg.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1bcjnufu.3kg.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        Built.exe

        • Path C:\Users\Admin\AppData\Roaming\Built.exe
        • Size 7.6MB
        • SHA256 2ba36466364af6327b9c8d8f41bdef1827ea0e9b8d0606bff61ca0162a852ccb
        • MD5 SHA1 SHA512 SSDEEP

        injection.exe

        • Path C:\Users\Admin\AppData\Roaming\injection.exe
        • Size 223KB
        • SHA256 707d0e076fc5883c6db71f0757220874537ea5a4cbce86bb3b2f88a7c6d65c0b
        • MD5 SHA1 SHA512 SSDEEP

        memory/2016-96-0x00007FFA57C00000-0x00007FFA586C1000-memory.dmp

        memory/2016-14-0x00007FFA57C00000-0x00007FFA586C1000-memory.dmp

        memory/2016-13-0x0000000000840000-0x000000000087E000-memory.dmp

        memory/2016-185-0x00007FFA57C00000-0x00007FFA586C1000-memory.dmp

        memory/2016-189-0x00007FFA57C00000-0x00007FFA586C1000-memory.dmp

        memory/3360-1-0x0000000000870000-0x0000000001090000-memory.dmp

        memory/3360-0-0x00007FFA57C03000-0x00007FFA57C05000-memory.dmp

        memory/4640-90-0x00007FFA51D30000-0x00007FFA51EAF000-memory.dmp

        memory/4640-154-0x00007FFA69130000-0x00007FFA69155000-memory.dmp

        memory/4640-104-0x00007FFA517F0000-0x00007FFA51D23000-memory.dmp

        memory/4640-103-0x00007FFA67550000-0x00007FFA67583000-memory.dmp

        memory/4640-102-0x000001F04BFF0000-0x000001F04C523000-memory.dmp

        memory/4640-100-0x00007FFA6B050000-0x00007FFA6B05D000-memory.dmp

        memory/4640-99-0x00007FFA52570000-0x00007FFA52BD4000-memory.dmp

        memory/4640-106-0x00007FFA675E0000-0x00007FFA675F4000-memory.dmp

        memory/4640-109-0x00007FFA69120000-0x00007FFA6912D000-memory.dmp

        memory/4640-108-0x00007FFA6B1A0000-0x00007FFA6B1C7000-memory.dmp

        memory/4640-111-0x00007FFA51FE0000-0x00007FFA52093000-memory.dmp

        memory/4640-92-0x00007FFA68080000-0x00007FFA68099000-memory.dmp

        memory/4640-55-0x00007FFA52570000-0x00007FFA52BD4000-memory.dmp

        memory/4640-148-0x00007FFA67550000-0x00007FFA67583000-memory.dmp

        memory/4640-152-0x00007FFA6B100000-0x00007FFA6B119000-memory.dmp

        memory/4640-155-0x00007FFA51D30000-0x00007FFA51EAF000-memory.dmp

        memory/4640-156-0x000001F04BFF0000-0x000001F04C523000-memory.dmp

        memory/4640-101-0x00007FFA66910000-0x00007FFA669DE000-memory.dmp

        memory/4640-153-0x00007FFA517F0000-0x00007FFA51D23000-memory.dmp

        memory/4640-151-0x00007FFA6B0D0000-0x00007FFA6B0FB000-memory.dmp

        memory/4640-150-0x00007FFA6B1A0000-0x00007FFA6B1C7000-memory.dmp

        memory/4640-149-0x00007FFA6F320000-0x00007FFA6F32F000-memory.dmp

        memory/4640-88-0x00007FFA69130000-0x00007FFA69155000-memory.dmp

        memory/4640-81-0x00007FFA6B100000-0x00007FFA6B119000-memory.dmp

        memory/4640-147-0x00007FFA51FE0000-0x00007FFA52093000-memory.dmp

        memory/4640-146-0x00007FFA69120000-0x00007FFA6912D000-memory.dmp

        memory/4640-145-0x00007FFA675E0000-0x00007FFA675F4000-memory.dmp

        memory/4640-143-0x00007FFA66910000-0x00007FFA669DE000-memory.dmp

        memory/4640-141-0x00007FFA6B050000-0x00007FFA6B05D000-memory.dmp

        memory/4640-140-0x00007FFA68080000-0x00007FFA68099000-memory.dmp

        memory/4640-133-0x00007FFA52570000-0x00007FFA52BD4000-memory.dmp

        memory/4640-82-0x00007FFA6B0D0000-0x00007FFA6B0FB000-memory.dmp

        memory/4640-61-0x00007FFA6B1A0000-0x00007FFA6B1C7000-memory.dmp

        memory/4640-62-0x00007FFA6F320000-0x00007FFA6F32F000-memory.dmp

        memory/5504-130-0x000001DD6A360000-0x000001DD6A382000-memory.dmp

        memory/5712-190-0x0000000002B60000-0x0000000002B6E000-memory.dmp