Malware Analysis Report

2024-11-16 13:40

Sample ID 240601-l7dvhshe9t
Target XClient.exe
SHA256 bda3a33622ce1215377ed572d28b17fb07d89f00029dced94be6fad34cbd47fd
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: 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

bda3a33622ce1215377ed572d28b17fb07d89f00029dced94be6fad34cbd47fd

Threat Level: Known bad

The file XClient.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

Checks computer location settings

Drops startup file

Looks up external IP address via web service

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-01 10:10

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

2024-06-01 10:10

Reported

2024-06-01 10:12

Platform

win10v2004-20240426-en

Max time kernel

135s

Max time network

153s

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

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\XClient.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\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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 product-unfortunately.gl.at.ply.gg udp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 product-unfortunately.gl.at.ply.gg udp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp

Files

memory/3744-0-0x00007FFFE0893000-0x00007FFFE0895000-memory.dmp

memory/3744-1-0x0000000000610000-0x0000000000628000-memory.dmp

memory/3744-2-0x00007FFFE0890000-0x00007FFFE1351000-memory.dmp

memory/1068-3-0x00007FFFE0890000-0x00007FFFE1351000-memory.dmp

memory/1068-13-0x0000014E1F7C0000-0x0000014E1F7E2000-memory.dmp

memory/1068-14-0x00007FFFE0890000-0x00007FFFE1351000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_54nyp2v3.vxi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1068-15-0x00007FFFE0890000-0x00007FFFE1351000-memory.dmp

memory/1068-18-0x00007FFFE0890000-0x00007FFFE1351000-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 a8e8360d573a4ff072dcc6f09d992c88
SHA1 3446774433ceaf0b400073914facab11b98b6807
SHA256 bf5e284e8f95122bf75ead61c7e2b40f55c96742b05330b5b1cb7915991df13b
SHA512 4ee5167643d82082f57c42616007ef9be57f43f9731921bdf7bca611a914724ad94072d3c8f5b130fa54129e5328ccdebf37ba74339c37deb53e79df5cdf0dbe

memory/3376-31-0x0000021BA62A0000-0x0000021BA64BC000-memory.dmp

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

MD5 b51dc9e5ec3c97f72b4ca9488bbb4462
SHA1 5c1e8c0b728cd124edcacefb399bbd5e25b21bd3
SHA256 976f9534aa2976c85c2455bdde786a3f55d63aefdd40942eba1223c4c93590db
SHA512 0e5aa6cf64c535aefb833e5757b68e1094c87424abe2615a7d7d26b1b31eff358d12e36e75ca57fd690a9919b776600bf4c5c0e5a5df55366ba62238bdf3f280

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

MD5 ce4540390cc4841c8973eb5a3e9f4f7d
SHA1 2293f30a6f4c9538bc5b06606c10a50ab4ecef8e
SHA256 e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105
SHA512 2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b

memory/1652-54-0x0000025A7FB40000-0x0000025A7FD5C000-memory.dmp

memory/3744-59-0x00007FFFE0893000-0x00007FFFE0895000-memory.dmp

memory/3744-60-0x00007FFFE0890000-0x00007FFFE1351000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-01 10:10

Reported

2024-06-01 10:12

Platform

win7-20240508-en

Max time kernel

124s

Max time network

134s

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2180 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2180 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

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 product-unfortunately.gl.at.ply.gg udp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp
US 147.185.221.20:1219 product-unfortunately.gl.at.ply.gg tcp

Files

memory/2180-0-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

memory/2180-1-0x0000000000D10000-0x0000000000D28000-memory.dmp

memory/2180-2-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp

memory/2776-7-0x000000001B660000-0x000000001B942000-memory.dmp

memory/2776-8-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

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

MD5 46c6a8633c6c76d76dc24959e7b20a30
SHA1 a8b568450deebb0a10efd230da473f5989ed2e55
SHA256 a4c878f2666fe17f940e9bd51a07d41cc180b16128a9679ef18488d1b93d2d4e
SHA512 eac1e862d50a326be68a3ba1c4897648f0962cf30a37755e26054ce4c12e8bc69aec09464c4a09936c8e6934d1660a4493b9394653ec792cb46b483084ffb9a0

memory/2552-14-0x000000001B560000-0x000000001B842000-memory.dmp

memory/2552-15-0x0000000002870000-0x0000000002878000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2180-32-0x000007FEF58E3000-0x000007FEF58E4000-memory.dmp

memory/2180-33-0x000007FEF58E0000-0x000007FEF62CC000-memory.dmp