Malware Analysis Report

2024-11-16 13:29

Sample ID 240621-c5sffswelb
Target 22b7f742553d9bf6d843a3ae5a2cd3e8.bin
SHA256 10c09a7b3cd9a7c2218819e5fd1d35e21a54c171b81109ba3dcc88b1c121e954
Tags
xworm 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

10c09a7b3cd9a7c2218819e5fd1d35e21a54c171b81109ba3dcc88b1c121e954

Threat Level: Known bad

The file 22b7f742553d9bf6d843a3ae5a2cd3e8.bin was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Checks computer location settings

Executes dropped EXE

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 02:39

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 02:39

Reported

2024-06-21 02:42

Platform

win7-20240220-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Project Al Ain (Hilli & Al Fou’ah) Parks.vbe"

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Executes dropped EXE

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2756 set thread context of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2372 wrote to memory of 2756 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 2372 wrote to memory of 2756 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 2372 wrote to memory of 2756 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 2372 wrote to memory of 2756 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 2756 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Project Al Ain (Hilli & Al Fou’ah) Parks.vbe"

C:\Users\Admin\AppData\Local\Temp\x.exe

"C:\Users\Admin\AppData\Local\Temp\x.exe"

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

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

Network

Country Destination Domain Proto
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp

Files

C:\Users\Admin\AppData\Local\Temp\x.exe

MD5 457eb489d5963eaeaae9c822dccaa34e
SHA1 c29da6a29955ea363d2084cf374ad35e225dea28
SHA256 8af889d616db6a411b4cbb7729acd8d2e64b96841e44e9dd9760302f5c1e878f
SHA512 f5dc88d6a8efd33fc280945a39f64055de251b902396ea2ee3b92c26695666147c1cd4136af68fe7bdc20300cd2d17ceea535617f9f398774d76fa9ab7ad957d

memory/2756-6-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/2756-7-0x00000000003B0000-0x00000000003EA000-memory.dmp

memory/2680-9-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-14-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2680-12-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-11-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-10-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-18-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-16-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2680-19-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

memory/2680-20-0x0000000073BE0000-0x00000000742CE000-memory.dmp

memory/2680-21-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

memory/2680-22-0x0000000073BE0000-0x00000000742CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-21 02:39

Reported

2024-06-21 02:42

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Project Al Ain (Hilli & Al Fou’ah) Parks.vbe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Windows\System32\WScript.exe N/A

Executes dropped EXE

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3468 set thread context of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4440 wrote to memory of 3468 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 4440 wrote to memory of 3468 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 4440 wrote to memory of 3468 N/A C:\Windows\System32\WScript.exe C:\Users\Admin\AppData\Local\Temp\x.exe
PID 3468 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 1880 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3468 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe

Processes

C:\Windows\System32\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Project Al Ain (Hilli & Al Fou’ah) Parks.vbe"

C:\Users\Admin\AppData\Local\Temp\x.exe

"C:\Users\Admin\AppData\Local\Temp\x.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp
DE 193.161.193.99:22849 tcp

Files

C:\Users\Admin\AppData\Local\Temp\x.exe

MD5 457eb489d5963eaeaae9c822dccaa34e
SHA1 c29da6a29955ea363d2084cf374ad35e225dea28
SHA256 8af889d616db6a411b4cbb7729acd8d2e64b96841e44e9dd9760302f5c1e878f
SHA512 f5dc88d6a8efd33fc280945a39f64055de251b902396ea2ee3b92c26695666147c1cd4136af68fe7bdc20300cd2d17ceea535617f9f398774d76fa9ab7ad957d

memory/3468-11-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

memory/3468-12-0x0000000000100000-0x000000000013A000-memory.dmp

memory/2156-13-0x0000000000400000-0x000000000040E000-memory.dmp

memory/2156-15-0x0000000074A50000-0x0000000074AFB000-memory.dmp

memory/2156-16-0x0000000004890000-0x000000000492C000-memory.dmp

memory/2156-17-0x0000000074A50000-0x0000000074AFB000-memory.dmp