xworm | 3e8a1f15f88678091760183cde7476a27a66d61587579b4c953158b7e26927c2

Analysis

max time kernel
121s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 20:43

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General

Target

XClient.exe
Size

59KB
MD5

95c67b6f5d16d2bc518c149222406fca
SHA1

dc80f0eccdfd344d61f625a2bba0a0eae7df1d9e
SHA256

3e8a1f15f88678091760183cde7476a27a66d61587579b4c953158b7e26927c2
SHA512

c1dd3f3bd46ecae27dce975e6ad03bc40288bbdc2433531303a8ce889a05af59bf8135b46d16faace4550f8e1396b1172e430442d61d096d52c838c9764dfd60
SSDEEP

768:AKNQC2Bomf5ceSC0m7ZfnkQPciHsMHVkbRjRtXDRRyB5YwTRRID7BbO9hOczsd:AGkqEmkkCkbRjRtXDwtRcbO9hU

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

perfect-ringtones.gl.at.ply.gg:15597

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2292-1-0x0000000000BB0000-0x0000000000BC6000-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\Windows Defender.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk	XClient.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Defender"	XClient.exe

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

System Information Discovery
T1082

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
2660	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	XClient.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2660	2292	XClient.exe	31
PID 2292 wrote to memory of 2660	2292	XClient.exe	31
PID 2292 wrote to memory of 2660	2292	XClient.exe	31

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:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2660

C:\Windows\system32\taskeng.exe
taskeng.exe {859DAB16-A049-4D99-B14F-EE0DEE08A0D2} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2292-0-0x000007FEF57B3000-0x000007FEF57B4000-memory.dmp

Filesize
4KB

Download
memory/2292-1-0x0000000000BB0000-0x0000000000BC6000-memory.dmp

Filesize
88KB

Download
memory/2292-5-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2292-6-0x000007FEF57B3000-0x000007FEF57B4000-memory.dmp

Filesize
4KB

Download
memory/2292-7-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads