xworm | aed09e9db41ae8457b5993584409582e6cb6472e4e1d68f92f919a47f553b8da

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/07/2026, 06:29

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General

Target
z1OutstandingPO06_07_2026.vbs
Size 1022KB
Sample260720-g86vgabw4v
SHA256 aed09e9db41ae8457b5993584409582e6cb6472e4e1d68f92f919a47f553b8da
MD5 ef7181deee2612dce70f66e0a9cdfbcc
SHA1 f3c54f422254584bf28f96fa8bdb621bfa7b81d0
SHA512 49c39bc2d5a420a941976a71d531b58056d28b1a3209722ef7b03066aecbd8e517a21c4356c4e3b3eb7e102f3db5b0f45e27c46e9b8b0d38a4b379cc3e3b3162
SSDEEP 384:PA6j7Dk7Do73K7t737i7Y787g7p7S7J7d767SD7Ej7YDGAgImy:4aKyDJmy
TLSH
T1AD253335EB2C1F61A3830F64DC43151CEAB34F5FC1DE65A19C2E325D336486A62AA78D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence rat trojan

Malware Config

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/4224-14-0x0000000000400000-0x000000000041C000-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	2840	764	powershell.exe	84

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
3	2840	powershell.exe

Executes dropped EXE 4 IoCs

pid	Process
116	windows32s.exe
3168	windows32s.exe
4652	windows32s.exe
1672	windows32s.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
1192	WScript.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 4224	2840	powershell.exe	94

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows32s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows32s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows32s.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windows32s.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	4224	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1496	conhost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 4112	1496	conhost.exe	93
PID 2840 wrote to memory of 4224	2840	powershell.exe	94
PID 2840 wrote to memory of 4224	2840	powershell.exe	94
PID 2840 wrote to memory of 4224	2840	powershell.exe	94
PID 2840 wrote to memory of 4224	2840	powershell.exe	94
PID 2840 wrote to memory of 4224	2840	powershell.exe	94
PID 4224 wrote to memory of 2224	4224	Caspol.exe	95

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.
persistence

Query Registry
T1012

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\z1OutstandingPO06_07_2026.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
PID:1192

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -Command "Invoke-Expression $env:bedusting"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2840
- 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 use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "windows32s" /tr "C:\Users\Admin\AppData\Roaming\windows32s.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2224

C:\Windows\system32\conhost.exe
conhost.exe
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe
  2⤵
  PID:4112

C:\Users\Admin\AppData\Roaming\windows32s.exe
C:\Users\Admin\AppData\Roaming\windows32s.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:116

C:\Users\Admin\AppData\Roaming\windows32s.exe
C:\Users\Admin\AppData\Roaming\windows32s.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3168

C:\Users\Admin\AppData\Roaming\windows32s.exe
C:\Users\Admin\AppData\Roaming\windows32s.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4652

C:\Users\Admin\AppData\Roaming\windows32s.exe
C:\Users\Admin\AppData\Roaming\windows32s.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1672

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Visual Basic

T1059.005

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

windows32s.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windows32s.exe.log
Size 42B
SHA256 d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b
MD5 84cfdb4b995b1dbf543b26b86c863adc
SHA1 d2f47764908bf30036cf8248b9ff5541e2711fa2
SHA512 485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce
MD5 SHA1 SHA512

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__PSScriptPolicyTest_ryixowb3.loh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ryixowb3.loh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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windows32s.exe

Path C:\Users\Admin\AppData\Roaming\windows32s.exe
Size 106KB
SHA256 7d3bdb5b7ee9685c7c18c0c3272da2a593f6c5c326f1ea67f22aae27c57ba1e6
MD5 914f728c04d3eddd5fba59420e74e56b
SHA1 8c68ca3f013c490161c0156ef359af03594ae5e2
SHA512 d7e49b361544ba22a0c66cf097e9d84db4f3759fbcc20386251caac6da80c591861c1468cb7a102eee1a1f86c974086ebc61de4027f9cd22ad06d63550400d6d
SSDEEP 1536:QSF7vA1hRqHNxxMjlI3ZC+0CtOss6mdcQ6A4vhZ91RKGpQJN:nA1hYPMUs6mdclA4vhNRKG4N
TLSH
T1B1B3C765B3FD1214F1FB8B70A9F89452593BFD9B6D41C26D2C89128D0A22BC1DA12F37
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/116-23-0x00000000005B0000-0x00000000005CC000-memory.dmp

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memory/2840-10-0x000001D658D70000-0x000001D658E24000-memory.dmp

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memory/2840-11-0x000001D63E5A0000-0x000001D63E5AA000-memory.dmp

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memory/2840-12-0x000001D656840000-0x000001D656850000-memory.dmp

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memory/2840-13-0x000001D656840000-0x000001D656850000-memory.dmp

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memory/2840-0-0x000001D656840000-0x000001D656850000-memory.dmp

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memory/2840-7-0x000001D63E510000-0x000001D63E532000-memory.dmp

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memory/2840-1-0x000001D656840000-0x000001D656850000-memory.dmp

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memory/4224-14-0x0000000000400000-0x000000000041C000-memory.dmp

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memory/4224-17-0x00000000053B0000-0x000000000544C000-memory.dmp

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memory/4224-18-0x0000000005460000-0x00000000054C6000-memory.dmp

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memory/4224-19-0x0000000005A80000-0x0000000006024000-memory.dmp

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memory/4224-25-0x0000000006FB0000-0x0000000007042000-memory.dmp

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