Malware Analysis Report

2025-05-28 16:49

Sample ID 250117-b6yhesxrcv
Target XWorm V5.3.exe
SHA256 f41828bd13a3a85fdf7a1d688b21ce33d2015c3c5f46b4d92ab6ea8ea019e03a
Tags
agilenet
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f41828bd13a3a85fdf7a1d688b21ce33d2015c3c5f46b4d92ab6ea8ea019e03a

Threat Level: Shows suspicious behavior

The file XWorm V5.3.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

agilenet

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-17 01:46

Signatures

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-17 01:46

Reported

2025-01-17 01:48

Platform

win7-20241010-en

Max time kernel

14s

Max time network

20s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3008 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe C:\Windows\system32\WerFault.exe
PID 3008 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe C:\Windows\system32\WerFault.exe
PID 3008 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe

"C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 3008 -s 668

Network

N/A

Files

memory/3008-0-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

memory/3008-1-0x0000000001390000-0x000000000216E000-memory.dmp

\Users\Admin\AppData\Local\Temp\RFZzY\RFZzY.dll

MD5 2f1a50031dcf5c87d92e8b2491fdcea6
SHA1 71e2aaa2d1bb7dbe32a00e1d01d744830ecce08f
SHA256 47578a37901c82f66e4dba47acd5c3cab6d09c9911d16f5ad0413275342147ed
SHA512 1c66dbe1320c1a84023bdf77686a2a7ab79a3e86ba5a4ea2cda9a37f8a916137d5cfec30b28ceae181355f6f279270465ef63ae90b7e8dcd4c1a8198a7fd36a8

memory/3008-8-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

memory/3008-9-0x000000001CE00000-0x000000001D9EC000-memory.dmp

memory/3008-10-0x000007FEF5E03000-0x000007FEF5E04000-memory.dmp

memory/3008-11-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-17 01:46

Reported

2025-01-17 01:46

Platform

win10v2004-20241007-en

Max time kernel

19s

Max time network

23s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe

"C:\Users\Admin\AppData\Local\Temp\XWorm V5.3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 7.98.22.2.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp

Files

memory/4572-0-0x00007FFAE2C43000-0x00007FFAE2C45000-memory.dmp

memory/4572-1-0x00000210BB790000-0x00000210BC56E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\RFZzY\RFZzY.dll

MD5 2f1a50031dcf5c87d92e8b2491fdcea6
SHA1 71e2aaa2d1bb7dbe32a00e1d01d744830ecce08f
SHA256 47578a37901c82f66e4dba47acd5c3cab6d09c9911d16f5ad0413275342147ed
SHA512 1c66dbe1320c1a84023bdf77686a2a7ab79a3e86ba5a4ea2cda9a37f8a916137d5cfec30b28ceae181355f6f279270465ef63ae90b7e8dcd4c1a8198a7fd36a8

memory/4572-8-0x00007FFAE2C40000-0x00007FFAE3701000-memory.dmp

memory/4572-9-0x00000210D7AD0000-0x00000210D86BC000-memory.dmp

memory/4572-10-0x00007FFAE2C40000-0x00007FFAE3701000-memory.dmp