Malware Analysis Report

2024-11-16 13:32

Sample ID 240620-zmczdaxala
Target asdasdad.exe
SHA256 ed36eacbc76c5bc86ceeb156854e849ee67d76a184b0253482debcfb62fba3fa
Tags
xworm execution rat trojan bootkit persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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 bootkit persistence

Xworm family

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Drops startup file

Executes dropped EXE

Looks up external IP address via web service

Writes to the Master Boot Record (MBR)

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 20:49

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: behavioral2

Detonation Overview

Submitted

2024-06-20 20:49

Reported

2024-06-20 20:52

Platform

win10v2004-20240508-en

Max time kernel

125s

Max time network

143s

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-1-5-21-1181767204-2009306918-3718769404-1000\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'

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1308,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=1716 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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 8.8.8.8:53 217.106.137.52.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 17.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp

Files

memory/5016-1-0x0000000000450000-0x0000000000468000-memory.dmp

memory/5016-0-0x00007FF8AEB93000-0x00007FF8AEB95000-memory.dmp

memory/5016-2-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

memory/5024-9-0x000001B81CD70000-0x000001B81CD92000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5zt3qpv.b31.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/5024-13-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

memory/5024-14-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

memory/5024-15-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

memory/5024-18-0x00007FF8AEB90000-0x00007FF8AF651000-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 d28a889fd956d5cb3accfbaf1143eb6f
SHA1 157ba54b365341f8ff06707d996b3635da8446f7
SHA256 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
SHA512 0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

MD5 34f595487e6bfd1d11c7de88ee50356a
SHA1 4caad088c15766cc0fa1f42009260e9a02f953bb
SHA256 0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA512 10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

memory/5016-46-0x00007FF8AEB93000-0x00007FF8AEB95000-memory.dmp

memory/5016-47-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

memory/5016-52-0x00007FF8AEB90000-0x00007FF8AF651000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 20:49

Reported

2024-06-20 20:52

Platform

win7-20240419-en

Max time kernel

133s

Max time network

123s

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\xkbvye.exe N/A

Looks up external IP address via web service

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\xkbvye.exe 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 2288 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2288 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xkbvye.exe
PID 2288 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xkbvye.exe
PID 2288 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xkbvye.exe
PID 2288 wrote to memory of 2172 N/A C:\Users\Admin\AppData\Local\Temp\asdasdad.exe C:\Users\Admin\AppData\Local\Temp\xkbvye.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\xkbvye.exe

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

Files

memory/2288-0-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

memory/2288-1-0x00000000011B0000-0x00000000011C8000-memory.dmp

memory/2288-2-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

memory/2728-7-0x0000000002B40000-0x0000000002BC0000-memory.dmp

memory/2728-8-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

memory/2728-9-0x0000000001F70000-0x0000000001F78000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VTKC2OZAJLAQJCJTD10Q.temp

MD5 2ee33a15cf24826ec7edd77031f0b775
SHA1 bc335b807f5a738f8f8aaa70f493f74ca7bbca46
SHA256 e2fb5bb42db0f5e4a505812652e458e3e5b242864d54b6722f45a4a1863844ea
SHA512 5b21094789eef217dc1902ea49ca265d1819834963b70091e143d1dbf61d20ace9fd53ec5647f99a839bbf6d2f617e8a5a5ca1f7ba3e8fe14ff267d38c3d79dd

memory/2832-16-0x0000000002290000-0x0000000002298000-memory.dmp

memory/2832-15-0x000000001B680000-0x000000001B962000-memory.dmp

memory/2288-26-0x000007FEF6183000-0x000007FEF6184000-memory.dmp

memory/2288-27-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp

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

MD5 b3edc0708fb191e2d3016c68585ed31e
SHA1 ab1ce0cb2a819b82206dc1e922e97b284b585d17
SHA256 c9fffa589040d8a6d22285255604948ff3bb3efa7077c776b6b09272bc293b7d
SHA512 77b67f4cf6344f56e20172357831497c6ae4ff57c5a852762437419a7e5819805e10098dc87f90e937cf7603b72a94e6cf66681e1602974355fae8644b2a42dc

memory/2172-33-0x0000000000FF0000-0x000000000108D000-memory.dmp

memory/2172-35-0x0000000000FF0000-0x000000000108D000-memory.dmp

memory/2288-37-0x000007FEF6180000-0x000007FEF6B6C000-memory.dmp