Malware Analysis Report

2024-12-07 03:16

Sample ID 241114-dd1hestejj
Target 7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25
SHA256 7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25
Tags
xworm discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
10/10

SHA256

7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25

Threat Level: Known bad

The file 7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25 was found to be: Known bad.

Malicious Activity Summary

xworm discovery persistence rat trojan

Detect Xworm Payload

Xworm

Xworm family

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 02:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:54

Reported

2024-11-14 02:57

Platform

win7-20241010-en

Max time kernel

44s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\UnuKick = "C:\\Users\\Admin\\Videos\\Kick\\VideoUnu.exe" C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2100 set thread context of 3008 N/A C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe

"C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"

Network

Country Destination Domain Proto
BG 87.120.116.179:1300 tcp

Files

memory/2100-1-0x0000000000573000-0x000000000058C000-memory.dmp

memory/2100-0-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2100-2-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2100-5-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2100-6-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2100-4-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/3008-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/3008-9-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/3008-7-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/3008-14-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/2100-10-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2100-15-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/3008-12-0x00000000002C0000-0x00000000002D0000-memory.dmp

memory/3008-16-0x00000000741BE000-0x00000000741BF000-memory.dmp

memory/2100-17-0x0000000000573000-0x000000000058C000-memory.dmp

memory/3008-18-0x00000000741B0000-0x000000007489E000-memory.dmp

memory/3008-19-0x00000000741B0000-0x000000007489E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 02:54

Reported

2024-11-14 02:57

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Xworm family

xworm

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UnuKick = "C:\\Users\\Admin\\Videos\\Kick\\VideoUnu.exe" C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4828 set thread context of 2216 N/A C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe

"C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
BG 87.120.116.179:1300 tcp
US 8.8.8.8:53 179.116.120.87.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/4828-1-0x0000000000573000-0x000000000058C000-memory.dmp

memory/4828-3-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-0-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-5-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-4-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-8-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-9-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2216-7-0x0000000000120000-0x0000000000130000-memory.dmp

memory/4828-10-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/4828-6-0x0000000000400000-0x0000000000A8B000-memory.dmp

memory/2216-11-0x0000000004E70000-0x0000000004F0C000-memory.dmp

memory/4828-13-0x0000000000A13000-0x0000000000A1C000-memory.dmp

memory/2216-12-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/4828-14-0x0000000000573000-0x000000000058C000-memory.dmp

memory/2216-16-0x00000000050A0000-0x00000000050B0000-memory.dmp

memory/2216-17-0x00000000061B0000-0x0000000006242000-memory.dmp

memory/2216-15-0x0000000005A60000-0x0000000006004000-memory.dmp

memory/2216-18-0x0000000006110000-0x000000000611A000-memory.dmp

memory/2216-19-0x00000000063B0000-0x0000000006416000-memory.dmp

memory/2216-20-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

memory/2216-21-0x00000000050A0000-0x00000000050B0000-memory.dmp