xworm | a03d5af3b1cf34ca72c56d567f78153eae51bb0c29ba8c045c503be0723dffe3

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07/03/2025, 20:56

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General

Target

RealtekAudioDriverInstall.exe
Size

34KB
MD5

c08e200e9b6243e0af193b2427897b24
SHA1

6253cce0f986fab471cb8d877b21773cac468e2e
SHA256

a03d5af3b1cf34ca72c56d567f78153eae51bb0c29ba8c045c503be0723dffe3
SHA512

6d0f18a531128497abf1c947daca06a7ab8f0f242f31fc4a6f73dba0e336337068f0eb86ea2e675fa4bbbc4e3994503ea00f393beda43dc281e5ae53f2abc53e
SSDEEP

768:KHqIHRXYazPNhzIgtoFk9Fy9YBOjhJ/VcP:KhxX9z0gtowFy9YBOjXtcP

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

24.243.20.84:59024

Mutex

2qfPdx4LIVlTG6G5

Attributes

Install_directory
%AppData%
install_file
Realtek Audio Driver.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2804-1-0x0000000000F70000-0x0000000000F7E000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Realtek Audio Driver.lnk	RealtekAudioDriverInstall.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Realtek Audio Driver.lnk	RealtekAudioDriverInstall.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek Audio Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Realtek Audio Driver.exe"	RealtekAudioDriverInstall.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	RealtekAudioDriverInstall.exe

C:\Users\Admin\AppData\Local\Temp\RealtekAudioDriverInstall.exe
"C:\Users\Admin\AppData\Local\Temp\RealtekAudioDriverInstall.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2804

Network

MITRE ATT&CK Enterprise v15

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

memory/2804-0-0x000007FEF6783000-0x000007FEF6784000-memory.dmp

Filesize
4KB

Download
memory/2804-1-0x0000000000F70000-0x0000000000F7E000-memory.dmp

Filesize
56KB

Download
memory/2804-6-0x000007FEF6780000-0x000007FEF716C000-memory.dmp

Filesize
9.9MB

Download
memory/2804-7-0x000007FEF6783000-0x000007FEF6784000-memory.dmp

Filesize
4KB

Download
memory/2804-8-0x000007FEF6780000-0x000007FEF716C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads