Malware Analysis Report

2024-11-16 13:32

Sample ID 240621-bd45haybln
Target 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe
SHA256 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723
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

0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723

Threat Level: Known bad

The file 0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution rat trojan

Detects Windows executables referencing non-Windows User-Agents

Xworm family

Detect Xworm Payload

Xworm

Detects Windows executables referencing non-Windows User-Agents

Command and Scripting Interpreter: PowerShell

Drops startup file

Checks computer location settings

Looks up external IP address via web service

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-21 01:02

Signatures

Detect Xworm Payload

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

Detects Windows executables referencing non-Windows User-Agents

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

2024-06-21 01:02

Reported

2024-06-21 01:05

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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\OxyInstaller.lnk C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OxyInstaller.lnk C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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 WriteProcessMemory

Description Indicator Process Target
PID 2468 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 220 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 220 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 4708 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2468 wrote to memory of 216 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe

"C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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\OxyInstaller.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OxyInstaller.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 ip-api.com udp
N/A 127.0.0.1:32901 tcp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp
N/A 127.0.0.1:32901 tcp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp
N/A 127.0.0.1:32901 tcp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp
N/A 127.0.0.1:32901 tcp
N/A 127.0.0.1:32901 tcp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp

Files

memory/2468-0-0x00007FFB16103000-0x00007FFB16105000-memory.dmp

memory/2468-1-0x0000000000180000-0x0000000000198000-memory.dmp

memory/2468-2-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b5aoggcr.l55.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1444-3-0x000002C8A8DC0000-0x000002C8A8DE2000-memory.dmp

memory/1444-10-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1444-11-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1444-15-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1444-18-0x00007FFB16100000-0x00007FFB16BC1000-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 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

MD5 9a2c763c5ff40e18e49ad63c7c3b0088
SHA1 4b289ea34755323fa869da6ad6480d8d12385a36
SHA256 517807921c55bd16cd8a8bfae3d5dc19444c66f836b66acd5593e3080acbaf8e
SHA512 3af01926bc7de92076067d158d7250b206d396b3282ee0db43639d04d91bd9ff763acbce12c7822914824984a3c5fdd1b8dbf1ad2ee88233d47f0f808b746bc8

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

MD5 3db1c0d23daacf01eb99125ccc2787d3
SHA1 0849528de1ba411279231d635d8f39d54cc829d2
SHA256 bceb96f5c3d31447980eb8cd891bba75b3e5b6eb60abf4d829fc13cd8faf2582
SHA512 3d84635a3395bca1d91ce182ccfb9e38c8da87ad678704673a72d580e4251cedc5a6b2a89040a172a5687b67952e74a13673bd115bce7bdabaed06f89323de5b

memory/2468-53-0x00007FFB16103000-0x00007FFB16105000-memory.dmp

memory/2468-58-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-21 01:02

Reported

2024-06-21 01:05

Platform

win7-20240419-en

Max time kernel

126s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe"

Signatures

Detect Xworm Payload

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

Xworm

trojan rat xworm

Detects Windows executables referencing non-Windows User-Agents

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

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OxyInstaller.lnk C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OxyInstaller.lnk C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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 WriteProcessMemory

Description Indicator Process Target
PID 1736 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2580 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2476 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 2532 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1736 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe

"C:\Users\Admin\AppData\Local\Temp\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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\0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0e9ed9a55cd440844668e5937cd2afb5a48dd5a17a3530fc4f9868038e305723.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\OxyInstaller.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OxyInstaller.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
N/A 127.0.0.1:32901 tcp
US 8.8.8.8:53 engineering-thoroughly.gl.at.ply.gg udp
US 147.185.221.20:32901 engineering-thoroughly.gl.at.ply.gg tcp
US 147.185.221.20:32901 engineering-thoroughly.gl.at.ply.gg tcp
US 147.185.221.20:32901 engineering-thoroughly.gl.at.ply.gg tcp
N/A 127.0.0.1:32901 tcp
N/A 127.0.0.1:32901 tcp
N/A 127.0.0.1:32901 tcp
US 147.185.221.20:32901 engineering-thoroughly.gl.at.ply.gg tcp

Files

memory/1736-0-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp

memory/1736-1-0x0000000000A80000-0x0000000000A98000-memory.dmp

memory/1736-2-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp

memory/2580-7-0x0000000002B00000-0x0000000002B80000-memory.dmp

memory/2580-8-0x000000001B710000-0x000000001B9F2000-memory.dmp

memory/2580-9-0x0000000001E00000-0x0000000001E08000-memory.dmp

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

MD5 e74463c8d5166d1aff7a61a27d19c202
SHA1 db59b48c03b839bed1c48cb7259ac03639aa6159
SHA256 0213d1067460eb01f448a17edc6ec328beeb95930e519f84cf1bfd7d0f3fc27e
SHA512 ae7d6f484ddbee8c8635605f2f74941b261495b37feaff3805ac7aab12791cb6f5a5d4bee625fb89c499fe8afd53e993526e40ddcbd6b7599af7a7761518bc01

memory/2476-15-0x000000001B790000-0x000000001BA72000-memory.dmp

memory/2476-16-0x0000000001E90000-0x0000000001E98000-memory.dmp

memory/1736-31-0x000007FEF60C3000-0x000007FEF60C4000-memory.dmp

memory/1736-32-0x000007FEF60C0000-0x000007FEF6AAC000-memory.dmp