Malware Analysis Report

2024-11-16 13:38

Sample ID 240530-magqksea31
Target be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e
SHA256 be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e
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

be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e

Threat Level: Known bad

The file be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e 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

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 10:15

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 10:15

Reported

2024-05-30 10:18

Platform

win7-20240508-en

Max time kernel

149s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
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\XClient.lnk C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1636 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 1052 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1636 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe

"C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.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\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.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\XClient.exe'

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp

Files

memory/1636-0-0x000007FEF5563000-0x000007FEF5564000-memory.dmp

memory/1636-1-0x0000000000300000-0x0000000000310000-memory.dmp

memory/1052-6-0x00000000028B0000-0x0000000002930000-memory.dmp

memory/1052-7-0x000000001B640000-0x000000001B922000-memory.dmp

memory/1052-8-0x0000000002000000-0x0000000002008000-memory.dmp

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

MD5 0754c06a2d9c06a027b4a41583ff9683
SHA1 9c9a10f4f811b639c95075beaa638fdabeb2fe03
SHA256 cad9337e2a286b3d36dbb093a282fbc2272b4d3b48ecb87cf27f344448e5206d
SHA512 f154305b4f25faf13d74ae019e08a987313e5c8155e648e96a23c6d538d5afacd7deab87e458bfc4effeb048753ce0f25b77f79b2d5248663160dd72efd3dea6

memory/2736-15-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

memory/2736-14-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1636-31-0x000000001B2F0000-0x000000001B370000-memory.dmp

memory/1636-32-0x000007FEF5563000-0x000007FEF5564000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 10:15

Reported

2024-05-30 10:18

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe"

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3968 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 3852 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 748 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3968 wrote to memory of 748 N/A C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe

"C:\Users\Admin\AppData\Local\Temp\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.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\be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'be1243dcd5cd64592aeb2c04d1dcb1a76c101aade618dbf6c33f96704741451e.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\XClient.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.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 --mojo-platform-channel-handle=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp
N/A 127.0.0.1:4099 tcp
N/A 127.0.0.1:4099 tcp

Files

memory/3968-0-0x00007FF9EA913000-0x00007FF9EA915000-memory.dmp

memory/3968-1-0x0000000000410000-0x0000000000420000-memory.dmp

memory/3580-2-0x00000288FF120000-0x00000288FF142000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yjkouwrj.2xn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3580-12-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3580-13-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3580-14-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3580-15-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3580-16-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3580-19-0x00007FF9EA910000-0x00007FF9EB3D1000-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 59d97011e091004eaffb9816aa0b9abd
SHA1 1602a56b01dd4b7c577ca27d3117e4bcc1aa657b
SHA256 18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d
SHA512 d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6

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

MD5 1dd8648df1581687db3c443025ee7399
SHA1 f28080fdbaf8533003d8a512ce7bf639759cfd08
SHA256 895eb57409991d9c805c91cc89dbfae5828e8355fe02628c390b2fbe1a75cf6c
SHA512 15bf22009876753580dc12fbbf5f8a8cd5c4d99fecad016f67b817b9d4b10f4fd2c2473483dd94490c26b8c4962397d1c134bfc00a7a88a7b246cd2f4d66c9e0

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

MD5 7a451cd1316d70a65910773fee8c3a43
SHA1 d2db32d5037153dd1d94565b51b5b385817a3c3d
SHA256 862d25ed22075f3d1f5e8d29a3c6e050dc91e53a4dc653c3f0f7c627a12ee26c
SHA512 60887f795036fbd6d25234c17dab4463a8a02f576ae8c07dd7b4c4ff1dba35f99b7301139ea051a7a80fdfc9e003a2f0c2dd0d444a82ecf87a3df21507332aa6

memory/3968-58-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp

memory/3968-59-0x00007FF9EA913000-0x00007FF9EA915000-memory.dmp

memory/3968-60-0x00007FF9EA910000-0x00007FF9EB3D1000-memory.dmp