xworm | b250ff7d0fd26c548ffac8341bcec119c3d12bde996d3f72cc0385d90c8b355e

Analysis

user interaction
yes
max time kernel
568s
max time network
570s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/09/2026, 16:14

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General

Target
MALWERE _protected.rar
Size 84KB
Sample260903-tpvdjsbq5v
SHA256 b250ff7d0fd26c548ffac8341bcec119c3d12bde996d3f72cc0385d90c8b355e
MD5 72cf8bcc785e48cdaf0cf305e64bec8a
SHA1 51e7aa67e4847463eca8ace61eafa7b65ee3b528
SHA512 a606629eff8494f2d0df1d251310791870591cac28afb780571408bed2c449bae589eece87a961370cb12f51764124f95d83f002a11fa39b434bc13897189d8b
SSDEEP 1536:Ne7cUWecVaGJQiIvpTHjzX2X7JyOxEDL/l1c5IMhqEvGcjEzuVEYE1bbFRBMXvZf:NDGcVzYhHjzXg7tyDL/l1IzqmEzuVlEK
TLSH
T11F83120D3BAA07A90AE142DDA3189F3F507B218F9D7B5D8D0C41DE7691CFBC2D09946A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

30.tcp.cpolar.top:14749

Mutex

nv5XsyoSTxE8OMJM

Attributes

Install_directory
%ProgramData%
install_file
Bluestacks.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
behavioral1/memory/3112-6-0x0000000000CC0000-0x0000000000CD8000-memory.dmp	family_xworm

Creates a file in the Startup directory 1 TTPs 2 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bluestacks.lnk	MALWERE _protected.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bluestacks.lnk	MALWERE _protected.exe

Executes dropped EXE 3 IoCs

pid	Process
3112	MALWERE _protected.exe
4368	Bluestacks.exe
4988	Bluestacks.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bluestacks = "C:\\ProgramData\\Bluestacks.exe"	MALWERE _protected.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3112	MALWERE _protected.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5016	7zFM.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	5016	7zFM.exe
Token: 35	5016	7zFM.exe
Token: SeSecurityPrivilege	5016	7zFM.exe
Token: SeDebugPrivilege	3112	MALWERE _protected.exe
Token: SeDebugPrivilege	3112	MALWERE _protected.exe
Token: SeDebugPrivilege	4988	Bluestacks.exe
Token: SeDebugPrivilege	4368	Bluestacks.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5016	7zFM.exe
5016	7zFM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3112	MALWERE _protected.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\MALWERE _protected.rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5016

C:\Users\Admin\Desktop\MALWERE _protected.exe
"C:\Users\Admin\Desktop\MALWERE _protected.exe"
1⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3112

C:\ProgramData\Bluestacks.exe
C:\ProgramData\Bluestacks.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4988

C:\PROGRA~3\Bluestacks.exe
C:\PROGRA~3\BLUEST~1.EXE
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4368

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

MALWERE _protected.exe

Path C:\Users\Admin\Desktop\MALWERE _protected.exe
Size 90KB
SHA256 f154e260bdaf82a5ed73919c9f77cd6f55252a39d219a410d8ab74e4b033ff89
MD5 4c9723b7a73dd70987da17a6299e965b
SHA1 34d0a0db8829555a210dc6513d41344b8e7c1bf3
SHA512 63c62c95449b9f25c552924f23ae452e86d06f694b60acb36466cffa6f08b955fe0e34d13d275845be531d274916bf2cf2e79d8444c234b1811b0a30e44de143
SSDEEP 1536:Qxdf5nxYILaWi5QdLpOU7JCJKzFJ7wzH/MNlBteQhdX87Jc6c7JUjoLCB+5v:Qff5n85Wb7fZJ7wzfGmQdXeJL8QoLk+x
TLSH
T1E293F10A0ECC5A74F15F17789E70D3029231ED19FB53E71BA8C915AE1EFA7B48940AB1
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3112-4-0x0000000000400000-0x000000000041C000-memory.dmp

Download

memory/3112-5-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

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memory/3112-6-0x0000000000CC0000-0x0000000000CD8000-memory.dmp

Download

memory/3112-15-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

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