xworm | f8393ec6bb72178d727ee6fa8d73fff62ba61268297a879f6df108c688b2fba8

Analysis

max time kernel
148s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 13:28

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General

Target
SOLICITUD DE COTIZACIÓN FORMAL.XLS.hta
Size 1.6MB
Sample260715-qqt8dsgw8v
SHA256 f8393ec6bb72178d727ee6fa8d73fff62ba61268297a879f6df108c688b2fba8
MD5 2b076d741cb169cfcbe27857eddc6ce6
SHA1 93195efe73fa426391e7473bf7de7fb10382bf0a
SHA512 f8f38463a823b234544d3c25f065c83c2a295a051382afed545d3198ccee199d67d9ffceeb33aca30d52e85a1c942103b9281e73773e024e766ff6a24502001a
SSDEEP 768:/OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOk:1b2AU9
TLSH
T1C7757C2963C96B0FD2971E314A032433BD75CC998E2DD5167B72B89CECC597B129183B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

64.89.162.178:7007

Mutex

lv1iWCBws8ODmePC

Attributes

install_file
USB.exe

aes.plain

Signatures

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

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5088-20-0x0000000000400000-0x000000000040E000-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	4896	4624	powershell.exe	87

Badlisted process makes network request 2 IoCs

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

flow	pid	Process
2	4896	powershell.exe
3	4896	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 5088	4896	powershell.exe	94

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4896	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	Caspol.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe
4896	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	powershell.exe
Token: SeDebugPrivilege	5088	Caspol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6072	conhost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 6072 wrote to memory of 5728	6072	conhost.exe	92
PID 4896 wrote to memory of 5296	4896	powershell.exe	93
PID 4896 wrote to memory of 5088	4896	powershell.exe	94
PID 4896 wrote to memory of 5088	4896	powershell.exe	94
PID 4896 wrote to memory of 5088	4896	powershell.exe	94
PID 4896 wrote to memory of 5088	4896	powershell.exe	94
PID 4896 wrote to memory of 5088	4896	powershell.exe	94

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\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\SOLICITUD DE COTIZACIÓN FORMAL.XLS.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- System Location Discovery: System Language Discovery
PID:2368

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -NoProfile -Command "Invoke-Expression $env:hinging"
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:4896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
  2⤵
  PID:5296
- 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
  PID:5088

C:\Windows\system32\conhost.exe
conhost.exe
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:6072
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe
  2⤵
  PID:5728

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

memory/4896-14-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-8-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-4-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-6-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-5-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-7-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-13-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-9-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-10-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-11-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-3-0x000001AE4E800000-0x000001AE4E822000-memory.dmp

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memory/4896-12-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-18-0x000001AE4E880000-0x000001AE4E934000-memory.dmp

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memory/4896-15-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-16-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-17-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/4896-0-0x00007FFAD210F000-0x00007FFAD2110000-memory.dmp

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memory/4896-19-0x000001AE4E930000-0x000001AE4E93A000-memory.dmp

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memory/4896-22-0x00007FFAD1F80000-0x00007FFAD2924000-memory.dmp

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memory/5088-20-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/5088-23-0x0000000005060000-0x00000000050FC000-memory.dmp

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memory/5088-24-0x00000000056F0000-0x0000000005756000-memory.dmp

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memory/5088-25-0x0000000006B20000-0x0000000006BB2000-memory.dmp

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memory/5088-26-0x0000000007180000-0x000000000773A000-memory.dmp

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