xworm | 6cb26daf0ab888c6507fe5004eeb06ca66605664b2bda40179030e5e5d0e483a | Triage

Analysis

max time kernel
127s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/03/2025, 21:04

Sharing

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General

Target

XWorm.exe
Size

41KB
MD5

757b77639d03590aa5d1cf21d08bc27e
SHA1

5b74577f9e5dbb7d4164de5f539381b1258f815f
SHA256

6cb26daf0ab888c6507fe5004eeb06ca66605664b2bda40179030e5e5d0e483a
SHA512

65d2ad77a11344127cbdd46f3e42812fd73b4e5c8e4084f1be40027326dca37294a1e82988b436c6c3d30ee4e004ec7c18710e4cd4eeea413b661700283351fe
SSDEEP

768:go8PvgoKrwdlS/shShk9lYAT9GKdQ9jGxZIRRTO:gdjMwdl3SGYKpQ9yg/TO

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

any-attraction.gl.at.ply.gg:27770

Mutex

8RhEzW61BTZ3YwGr

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2808-1-0x0000000000B30000-0x0000000000B40000-memory.dmp	family_xworm
behavioral1/files/0x0028000000016ccb-7.dat	family_xworm
behavioral1/memory/1108-9-0x0000000001110000-0x0000000001120000-memory.dmp	family_xworm
behavioral1/memory/2160-13-0x0000000000300000-0x0000000000310000-memory.dmp	family_xworm
behavioral1/memory/776-15-0x0000000000F70000-0x0000000000F80000-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 opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm.exe	XWorm.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm.exe	XWorm.exe

Executes dropped EXE 3 IoCs

pid	Process
1108	XWorm.exe
2160	XWorm.exe
776	XWorm.exe

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\XWorm = "C:\\Users\\Admin\\AppData\\Roaming\\XWorm.exe"	XWorm.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

pid	Process
2616	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2616	2808	XWorm.exe	30
PID 2808 wrote to memory of 2616	2808	XWorm.exe	30
PID 2808 wrote to memory of 2616	2808	XWorm.exe	30
PID 2708 wrote to memory of 1108	2708	taskeng.exe	33
PID 2708 wrote to memory of 1108	2708	taskeng.exe	33
PID 2708 wrote to memory of 1108	2708	taskeng.exe	33
PID 2708 wrote to memory of 2160	2708	taskeng.exe	36
PID 2708 wrote to memory of 2160	2708	taskeng.exe	36
PID 2708 wrote to memory of 2160	2708	taskeng.exe	36
PID 2708 wrote to memory of 776	2708	taskeng.exe	37
PID 2708 wrote to memory of 776	2708	taskeng.exe	37
PID 2708 wrote to memory of 776	2708	taskeng.exe	37

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\XWorm.exe
"C:\Users\Admin\AppData\Local\Temp\XWorm.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 1 /tn "XWorm" /tr "C:\Users\Admin\AppData\Roaming\XWorm.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2616

C:\Windows\system32\taskeng.exe
taskeng.exe {C706B192-4294-4449-ABED-E791A880E3A0} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:1108
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:2160
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Scheduled Task

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Scheduled Task

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\XWorm.exe

Filesize
41KB

MD5
757b77639d03590aa5d1cf21d08bc27e

SHA1
5b74577f9e5dbb7d4164de5f539381b1258f815f

SHA256
6cb26daf0ab888c6507fe5004eeb06ca66605664b2bda40179030e5e5d0e483a

SHA512
65d2ad77a11344127cbdd46f3e42812fd73b4e5c8e4084f1be40027326dca37294a1e82988b436c6c3d30ee4e004ec7c18710e4cd4eeea413b661700283351fe

Download Submit
memory/776-15-0x0000000000F70000-0x0000000000F80000-memory.dmp

Filesize
64KB

Download
memory/1108-9-0x0000000001110000-0x0000000001120000-memory.dmp

Filesize
64KB

Download
memory/2160-13-0x0000000000300000-0x0000000000310000-memory.dmp

Filesize
64KB

Download
memory/2808-0-0x000007FEF6403000-0x000007FEF6404000-memory.dmp

Filesize
4KB

Download
memory/2808-1-0x0000000000B30000-0x0000000000B40000-memory.dmp

Filesize
64KB

Download
memory/2808-5-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

Filesize
9.9MB

Download
memory/2808-10-0x000007FEF6403000-0x000007FEF6404000-memory.dmp

Filesize
4KB

Download
memory/2808-11-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

Filesize
9.9MB

Download