Malware Analysis Report

2024-11-16 13:39

Sample ID 240530-l4le7adg51
Target Xclient.exe
SHA256 189cdfeb6a49677d97203c3a1783b13dccaab4628b750c29fb98a82471ae62b7
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 Overview

score
10/10

SHA256

189cdfeb6a49677d97203c3a1783b13dccaab4628b750c29fb98a82471ae62b7

Threat Level: Known bad

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

Malicious Activity Summary

xworm execution rat trojan

Xworm family

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Drops startup file

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

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 10:05

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 10:05

Reported

2024-05-30 10:07

Platform

win11-20240508-en

Max time kernel

149s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Xclient.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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Xclient.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\Xclient.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\Xclient.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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Xclient.exe N/A

Processes

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

"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 -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'

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
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
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp
N/A 127.0.0.1:1048 tcp

Files

memory/816-0-0x00007FFDA2573000-0x00007FFDA2575000-memory.dmp

memory/816-1-0x0000000000C80000-0x0000000000C98000-memory.dmp

memory/816-2-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-3-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-4-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-5-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-11-0x000001FCD2320000-0x000001FCD2342000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mc2ddxyc.qli.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2348-15-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-16-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

memory/2348-19-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp

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

MD5 627073ee3ca9676911bee35548eff2b8
SHA1 4c4b68c65e2cab9864b51167d710aa29ebdcff2e
SHA256 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
SHA512 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

MD5 2e8eb51096d6f6781456fef7df731d97
SHA1 ec2aaf851a618fb43c3d040a13a71997c25bda43
SHA256 96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864
SHA512 0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

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

MD5 55f30089624be31af328ba4e012ae45a
SHA1 121c28de7a5afe828ea395d94be8f5273817b678
SHA256 28e49da06bd64f06a4cf1a9caead354b94b4d11d5dc916a92da0ed96bad00473
SHA512 ef13cc5b22c754c7816e08b421de64bc8df527d7166e970454139410b2d381b53ebf288ec73013cdce92f0ac226d9ed5b342341db52a8cb0b85b5ad4d3090787

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

MD5 6f0e62045515b66d0a0105abc22dbf19
SHA1 894d685122f3f3c9a3457df2f0b12b0e851b394c
SHA256 529811e4d3496c559f3bd92cd877b93b719c3ac4834202aa76ab9e16e25f9319
SHA512 f78426df6032ee77f8c463446ab1c6bb4669ef7a2463dead831ec4ff83a07d7dc702d79372d8bcaf4594bf0fb6e11e9f027f3e0325de9b19be5f51b7b80ed54a

memory/816-55-0x00007FFDA2570000-0x00007FFDA3032000-memory.dmp