Malware Analysis Report

2024-11-16 13:37

Sample ID 240530-m26tsaeh4w
Target 7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607
SHA256 7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607
Tags
xworm execution 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

7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607

Threat Level: Known bad

The file 7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607 was found to be: Known bad.

Malicious Activity Summary

xworm execution persistence rat trojan

Xworm family

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Adds Run key to start application

Looks up external IP address via web service

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 10:58

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 10:58

Reported

2024-05-30 11:01

Platform

win7-20240508-en

Max time kernel

148s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

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\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1252 wrote to memory of 2960 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe

"C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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\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
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 registered-martial.gl.at.ply.gg udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp

Files

memory/1252-0-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

memory/1252-1-0x00000000001A0000-0x00000000001B8000-memory.dmp

memory/1252-2-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

memory/2780-7-0x000000001B710000-0x000000001B9F2000-memory.dmp

memory/2780-8-0x0000000001DE0000-0x0000000001DE8000-memory.dmp

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

MD5 41465c9cf9d2952bf1b513811f3350e5
SHA1 05b9772f4979ffe33de75b24b6f99eb9ef4f0151
SHA256 d3c3c977bbcdcfc8755515843bfa3ec59af0bc94072d5ed6a64d3c8e4f950b3a
SHA512 8345fe4316f6f6a51e6e9337b0601e995b15dfe8d7ba0da6423b972f7330911edeee31380230148d48e21aac9a14de95c1891901165c04385566a06c95d0f7ed

memory/2844-14-0x000000001B7B0000-0x000000001BA92000-memory.dmp

memory/2844-15-0x0000000002250000-0x0000000002258000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/1252-28-0x000007FEF5623000-0x000007FEF5624000-memory.dmp

memory/1252-29-0x000007FEF5620000-0x000007FEF600C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 10:58

Reported

2024-05-30 11:01

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4808 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 452 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1796 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 4808 wrote to memory of 1300 N/A C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe

"C:\Users\Admin\AppData\Local\Temp\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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\7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '7f71385d6a2745866497ffd421c23698a4ba6e0be811d5728d7c0318539ae607.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\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
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 17.160.190.20.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.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 registered-martial.gl.at.ply.gg udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 18.221.185.147.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp

Files

memory/4808-0-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp

memory/4808-1-0x0000000000740000-0x0000000000758000-memory.dmp

memory/4808-2-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

memory/452-13-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

memory/452-8-0x000001E37EE60000-0x000001E37EE82000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_puxjephb.zbe.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/452-14-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

memory/452-15-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp

memory/452-18-0x00007FFA4C3A0000-0x00007FFA4CE61000-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 15dde0683cd1ca19785d7262f554ba93
SHA1 d039c577e438546d10ac64837b05da480d06bf69
SHA256 d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
SHA512 57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

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

MD5 3505effaead0f06d098f1aec01836881
SHA1 94bafdbeb2f5adbd8cec709574df5b8dbcc5eba3
SHA256 5d39a25ff8842c7c14aa14f99c5e3e1606fb7516c57f03dc41069df3c3de0517
SHA512 934d8eab5bc2ec20e800c668f3c3434829feade4771918a22d712f7ba39f91f93877a1e9dc1beac966646af0c9dd2cf118041535143b3abc585fea8dfb1299f5

memory/4808-54-0x00007FFA4C3A3000-0x00007FFA4C3A5000-memory.dmp

memory/4808-55-0x00007FFA4C3A0000-0x00007FFA4CE61000-memory.dmp