xworm | 68cc399ac33200e625c1a1a89600b540cbca82b18539f2a6e11533c344de9438

Analysis

max time kernel
32s
max time network
29s
platform
windows11-21h2_x64
resource
win11-20250217-en
resource tags

arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
submitted
07/03/2025, 07:44

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General

Target

SynapseZ.exe
Size

35KB
MD5

c471492c8eb22c02614f9b0d1ac5a911
SHA1

76d06ec306f49d0f05fd00b9db64e4752af3e289
SHA256

68cc399ac33200e625c1a1a89600b540cbca82b18539f2a6e11533c344de9438
SHA512

ebf22a778d1d23c44d3ff4930bdc2b95abb3de5eaafa14199a40e52817817d8110ceaba92ecc23e3cc2def8e2084ccf1f24d087e5901478f289647f04cde56f4
SSDEEP

768:jHs7Dzumj2frk7y1TxVP+sVFyw9bhO/hUy8L:jM7DzumnQSKFr9bhO/CxL

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

tax-fc.gl.at.ply.gg:47830

Mutex

NPbXxScl7vLavVVM

Attributes

Install_directory
%ProgramData%
install_file
svchost.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1440-1-0x00000000004E0000-0x00000000004F0000-memory.dmp	family_xworm
behavioral1/files/0x001e00000002adc0-9.dat	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\svchost.lnk	SynapseZ.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	SynapseZ.exe

Executes dropped EXE 1 IoCs

pid	Process
4756	svchost.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-1-5-21-3835819470-2031661444-2626789713-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\ProgramData\\svchost.exe"	SynapseZ.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
380	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	SynapseZ.exe
Token: SeDebugPrivilege	1440	SynapseZ.exe
Token: SeDebugPrivilege	4756	svchost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 380	1440	SynapseZ.exe	79
PID 1440 wrote to memory of 380	1440	SynapseZ.exe	79

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\SynapseZ.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseZ.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:380

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4756

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

C:\ProgramData\svchost.exe

Filesize
35KB

MD5
c471492c8eb22c02614f9b0d1ac5a911

SHA1
76d06ec306f49d0f05fd00b9db64e4752af3e289

SHA256
68cc399ac33200e625c1a1a89600b540cbca82b18539f2a6e11533c344de9438

SHA512
ebf22a778d1d23c44d3ff4930bdc2b95abb3de5eaafa14199a40e52817817d8110ceaba92ecc23e3cc2def8e2084ccf1f24d087e5901478f289647f04cde56f4

Download Submit
memory/1440-0-0x00007FF86D073000-0x00007FF86D075000-memory.dmp

Filesize
8KB

Download
memory/1440-1-0x00000000004E0000-0x00000000004F0000-memory.dmp

Filesize
64KB

Download
memory/1440-6-0x00007FF86D070000-0x00007FF86DB32000-memory.dmp

Filesize
10.8MB

Download
memory/1440-7-0x00007FF86D073000-0x00007FF86D075000-memory.dmp

Filesize
8KB

Download
memory/1440-8-0x00007FF86D070000-0x00007FF86DB32000-memory.dmp

Filesize
10.8MB

Download
memory/4756-11-0x00007FF86D070000-0x00007FF86DB32000-memory.dmp

Filesize
10.8MB

Download
memory/4756-13-0x00007FF86D070000-0x00007FF86DB32000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads