xworm | 6cb26daf0ab888c6507fe5004eeb06ca66605664b2bda40179030e5e5d0e483a

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 3 IoCs

resource	yara_rule
behavioral1/memory/2272-1-0x0000000001360000-0x0000000001370000-memory.dmp	family_xworm
behavioral1/files/0x00090000000165c7-7.dat	family_xworm
behavioral1/memory/1420-9-0x0000000000DF0000-0x0000000000E00000-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\XWorm.exe	XWorm.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm.exe	XWorm.exe

Executes dropped EXE 3 IoCs

pid	Process
1420	XWorm.exe
2348	XWorm.exe
772	XWorm.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-1-5-21-1163522206-1469769407-485553996-1000\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

T1053.005

pid	Process
1884	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1884	2272	XWorm.exe	30
PID 2272 wrote to memory of 1884	2272	XWorm.exe	30
PID 2272 wrote to memory of 1884	2272	XWorm.exe	30
PID 1668 wrote to memory of 1420	1668	taskeng.exe	33
PID 1668 wrote to memory of 1420	1668	taskeng.exe	33
PID 1668 wrote to memory of 1420	1668	taskeng.exe	33
PID 1668 wrote to memory of 2348	1668	taskeng.exe	36
PID 1668 wrote to memory of 2348	1668	taskeng.exe	36
PID 1668 wrote to memory of 2348	1668	taskeng.exe	36
PID 1668 wrote to memory of 772	1668	taskeng.exe	37
PID 1668 wrote to memory of 772	1668	taskeng.exe	37
PID 1668 wrote to memory of 772	1668	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:2272
- 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:1884

C:\Windows\system32\taskeng.exe
taskeng.exe {0A44D13A-D57B-43C4-86EE-DAE65ACA4032} S-1-5-21-1163522206-1469769407-485553996-1000:PJCSDMRP\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:1420
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:2348
- C:\Users\Admin\AppData\Roaming\XWorm.exe
  C:\Users\Admin\AppData\Roaming\XWorm.exe
  2⤵
  - Executes dropped EXE
  PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/1420-9-0x0000000000DF0000-0x0000000000E00000-memory.dmp

Filesize
64KB

Download
memory/2272-0-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000001360000-0x0000000001370000-memory.dmp

Filesize
64KB

Download
memory/2272-5-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

Filesize
9.9MB

Download
memory/2272-10-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

Filesize
4KB

Download
memory/2272-11-0x000007FEF58E0000-0x000007FEF62CC000-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