Malware Analysis Report

2024-11-16 13:32

Sample ID 240620-zrswdsxbmf
Target asdasdad.exe
SHA256 ed36eacbc76c5bc86ceeb156854e849ee67d76a184b0253482debcfb62fba3fa
Tags
xworm execution 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

ed36eacbc76c5bc86ceeb156854e849ee67d76a184b0253482debcfb62fba3fa

Threat Level: Known bad

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

Malicious Activity Summary

xworm execution rat trojan

Detect Xworm Payload

Xworm family

Xworm

Command and Scripting Interpreter: PowerShell

Drops startup file

Checks computer location settings

Executes dropped EXE

Looks up external IP address via web service

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 20:57

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

2024-06-20 20:57

Reported

2024-06-20 21:00

Platform

win7-20240220-en

Max time kernel

120s

Max time network

140s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Drops startup file

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

Executes dropped EXE

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2292 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xwzfbn.exe
PID 2292 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xwzfbn.exe
PID 2292 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xwzfbn.exe
PID 2292 wrote to memory of 1420 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xwzfbn.exe
PID 2292 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\etavja.exe
PID 2292 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\etavja.exe
PID 2292 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\etavja.exe
PID 2292 wrote to memory of 2308 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\etavja.exe

Processes

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

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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\asdasdad.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'asdasdad.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\asdasdad.exe'

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 silver-bowl.gl.at.ply.gg udp
US 147.185.221.17:29206 silver-bowl.gl.at.ply.gg tcp
US 147.185.221.17:29206 silver-bowl.gl.at.ply.gg tcp

Files

memory/2292-0-0x000007FEF5153000-0x000007FEF5154000-memory.dmp

memory/2292-1-0x0000000000150000-0x0000000000168000-memory.dmp

memory/2292-2-0x000007FEF5150000-0x000007FEF5B3C000-memory.dmp

memory/2660-7-0x0000000002B00000-0x0000000002B80000-memory.dmp

memory/2660-8-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

memory/2660-9-0x0000000002240000-0x0000000002248000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 5f2ff71affe23ba173061ac89050ac02
SHA1 7a74b0dbc63296975b75914d46044f91bb11f53f
SHA256 190e8c2531db6686c1423e85511bc7fea7ae4ec946301d7296356ce113e8f1d6
SHA512 011c9b442bd15ef1f72a2e669c4109a9277ef7ce00dd7227fd6aa1c0e72116298b8ffcb906129be6bd7d4a982bf053e456c55ef2faffcb7e5477089a7cf9519e

memory/2488-15-0x000000001B540000-0x000000001B822000-memory.dmp

memory/2488-16-0x00000000027E0000-0x00000000027E8000-memory.dmp

memory/2292-26-0x000007FEF5153000-0x000007FEF5154000-memory.dmp

memory/2292-27-0x000007FEF5150000-0x000007FEF5B3C000-memory.dmp

memory/2292-28-0x00000000022C0000-0x00000000022CA000-memory.dmp

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

MD5 3c3d1168fc2724c551837a505ea4374e
SHA1 86c913a12067fd2c1bbc31fb64a5b5d056175841
SHA256 f91c14c328544a2d4cc216c7c2115283806fa3201d40bd3c7c5d79dccd025b09
SHA512 0f181c9753a3f55e4f4a434ea3e972e00b46fb7319d95a4b7a5c7d09888537df4a8fc4c2c5e0232f96b441727e45a595eed42721ff8c7799302e4d3f13156a8e

memory/1420-36-0x00000000008A0000-0x0000000001000000-memory.dmp

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

MD5 2aea27b056354f507176190c33a2b679
SHA1 23a103bac45bd0d090a959fe4f524d112aea5b24
SHA256 b11a92c2961b6b3da9ca54ce8bf866980913f3a5df2969f809e5cd4fcc734663
SHA512 62336fa72f093bf73114dc140d461b7684e966624484651d1821a210b73016cc525c2d949d4d43947219af18c0c776184a127a4a2a57c1ff13f3daf117f57514

memory/2308-43-0x00000000010E0000-0x00000000010E8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 20:57

Reported

2024-06-20 21:00

Platform

win10v2004-20240611-en

Max time kernel

139s

Max time network

149s

Command Line

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

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\asdasdad.exe N/A

Drops startup file

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

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe N/A

Suspicious use of SetWindowsHookEx

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

Processes

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

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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\asdasdad.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'asdasdad.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\asdasdad.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 silver-bowl.gl.at.ply.gg udp
US 147.185.221.17:29206 silver-bowl.gl.at.ply.gg tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 17.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3492-0-0x00007FF8C7693000-0x00007FF8C7695000-memory.dmp

memory/3492-1-0x0000000000140000-0x0000000000158000-memory.dmp

memory/3492-2-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

memory/404-3-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

memory/404-4-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

memory/404-5-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

memory/404-6-0x000002BDCC450000-0x000002BDCC472000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nn2ku3er.huh.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/404-18-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp

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

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 6d3e9c29fe44e90aae6ed30ccf799ca8
SHA1 c7974ef72264bbdf13a2793ccf1aed11bc565dce
SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
SHA512 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 eb1ad317bd25b55b2bbdce8a28a74a94
SHA1 98a3978be4d10d62e7411946474579ee5bdc5ea6
SHA256 9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98
SHA512 d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

memory/3492-46-0x00007FF8C7693000-0x00007FF8C7695000-memory.dmp

memory/3492-47-0x00007FF8C7690000-0x00007FF8C8151000-memory.dmp