Malware Analysis Report

2024-11-16 13:36

Sample ID 240528-a5824ahd62
Target 2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear
SHA256 84292cd5cfd81674ec255ed22bb0c26c35c2771f31d41e360c083e01a8e32afb
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

84292cd5cfd81674ec255ed22bb0c26c35c2771f31d41e360c083e01a8e32afb

Threat Level: Known bad

The file 2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear was found to be: Known bad.

Malicious Activity Summary

xworm rat trojan

Detect Xworm Payload

Xworm

Detects Windows executables referencing non-Windows User-Agents

Xworm family

Detects executables using Telegram Chat Bot

Detects executables using Telegram Chat Bot

Detects Windows executables referencing non-Windows User-Agents

Drops startup file

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-28 00:48

Signatures

Detect Xworm Payload

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

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

Xworm family

xworm

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 00:48

Reported

2024-05-28 00:51

Platform

win7-20240419-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 westnfc.duckdns.org udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 westnfc.duckdns.org udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 westnfc.duckdns.org udp

Files

memory/2436-0-0x000007FEF6283000-0x000007FEF6284000-memory.dmp

memory/2436-1-0x0000000000FE0000-0x0000000001010000-memory.dmp

memory/2436-6-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

memory/2436-7-0x000007FEF6283000-0x000007FEF6284000-memory.dmp

memory/2436-8-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 00:48

Reported

2024-05-28 00:51

Platform

win10v2004-20240426-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Detects executables using Telegram Chat Bot

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\runtime.lnk C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-28_1a5c19862b8043792a14393d97ba6096_hiddentear.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 westnfc.duckdns.org udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 westnfc.duckdns.org udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp
US 8.8.8.8:53 westnfc.duckdns.org udp
IE 40.113.35.6:1604 westnfc.duckdns.org tcp

Files

memory/2504-0-0x0000000000510000-0x0000000000540000-memory.dmp

memory/2504-1-0x00007FF920D63000-0x00007FF920D65000-memory.dmp

memory/2504-6-0x00007FF920D60000-0x00007FF921821000-memory.dmp

memory/2504-7-0x00007FF920D63000-0x00007FF920D65000-memory.dmp

memory/2504-8-0x00007FF920D60000-0x00007FF921821000-memory.dmp