Malware Analysis Report

2024-11-16 13:37

Sample ID 240530-qgzrhshg61
Target 12.exe
SHA256 b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6
Tags
xworm 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

b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6

Threat Level: Known bad

The file 12.exe was found to be: Known bad.

Malicious Activity Summary

xworm persistence rat trojan

Detect Xworm Payload

Xworm family

Xworm

Checks computer location settings

Drops startup file

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 13:14

Signatures

Detect Xworm Payload

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

2024-05-30 13:14

Reported

2024-05-30 13:44

Platform

win7-20240508-en

Max time kernel

599s

Max time network

578s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12.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
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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ww.lnk C:\Users\Admin\AppData\Local\Temp\12.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ww.lnk C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\ww = "C:\\Users\\Admin\\ww.exe" C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1732 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Windows\System32\schtasks.exe
PID 1732 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Windows\System32\schtasks.exe
PID 1732 wrote to memory of 2992 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Windows\System32\schtasks.exe
PID 2500 wrote to memory of 2652 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2652 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2652 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 336 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 336 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 336 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1916 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1916 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1916 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1112 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2988 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1236 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1604 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1604 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 1604 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2588 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2588 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 2588 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 600 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 600 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe
PID 2500 wrote to memory of 600 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\ww.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\12.exe

"C:\Users\Admin\AppData\Local\Temp\12.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ww" /tr "C:\Users\Admin\ww.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {8D4C6E91-67BA-42DB-BF9C-8DDE79B39B12} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 t-screening.gl.at.ply.gg udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 8.8.8.8:53 t-screening.gl.at.ply.gg udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 tcp

Files

memory/1732-0-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

memory/1732-1-0x0000000000090000-0x00000000000A6000-memory.dmp

memory/1732-6-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

memory/1732-7-0x000007FEF5D83000-0x000007FEF5D84000-memory.dmp

C:\Users\Admin\ww.exe

MD5 912c5ade2dc17f825036e94fdd85b063
SHA1 7ac8e63df65e14b4d4d4beca2204418485fa3cfa
SHA256 b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6
SHA512 d3b2f6b3b111804ac5235180b1bd859140fa34e0ff47b7689d6ea719de017d98c8971adfc9efdcecbd688a12c22d358896538b4a54b9739cb95003da348fd9ed

memory/2652-11-0x0000000000EF0000-0x0000000000F06000-memory.dmp

memory/1732-12-0x000007FEF5D80000-0x000007FEF676C000-memory.dmp

memory/336-15-0x0000000001380000-0x0000000001396000-memory.dmp

memory/1916-17-0x0000000000380000-0x0000000000396000-memory.dmp

memory/1112-19-0x0000000000B10000-0x0000000000B26000-memory.dmp

memory/1952-21-0x0000000001100000-0x0000000001116000-memory.dmp

memory/600-27-0x00000000000F0000-0x0000000000106000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 13:14

Reported

2024-05-30 13:44

Platform

win10v2004-20240508-en

Max time kernel

598s

Max time network

606s

Command Line

"C:\Users\Admin\AppData\Local\Temp\12.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

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:\Users\Admin\AppData\Local\Temp\12.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ww.lnk C:\Users\Admin\AppData\Local\Temp\12.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ww.lnk C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A
N/A N/A C:\Users\Admin\ww.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ww = "C:\\Users\\Admin\\ww.exe" C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\ww.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2160 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Windows\System32\schtasks.exe
PID 2160 wrote to memory of 2196 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\12.exe

"C:\Users\Admin\AppData\Local\Temp\12.exe"

C:\Windows\System32\schtasks.exe

"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "ww" /tr "C:\Users\Admin\ww.exe"

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

C:\Users\Admin\ww.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 t-screening.gl.at.ply.gg udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 8.8.8.8:53 171.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 t-screening.gl.at.ply.gg udp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp
US 147.185.221.17:11852 t-screening.gl.at.ply.gg tcp

Files

memory/2160-0-0x00007FFB43783000-0x00007FFB43785000-memory.dmp

memory/2160-1-0x0000000000130000-0x0000000000146000-memory.dmp

memory/2160-6-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

C:\Users\Admin\ww.exe

MD5 912c5ade2dc17f825036e94fdd85b063
SHA1 7ac8e63df65e14b4d4d4beca2204418485fa3cfa
SHA256 b333067f0a6a6b025855c409b291cea8bf7bf8056ac31c1b64d04cc257f60dc6
SHA512 d3b2f6b3b111804ac5235180b1bd859140fa34e0ff47b7689d6ea719de017d98c8971adfc9efdcecbd688a12c22d358896538b4a54b9739cb95003da348fd9ed

memory/1928-9-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

memory/1928-11-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

memory/2160-12-0x00007FFB43780000-0x00007FFB44241000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ww.exe.log

MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1