Malware Analysis Report

2024-11-16 13:28

Sample ID 240620-xsv12ashra
Target Celestial.exe
SHA256 beda01736d0a386f8fd5354dd54f23129fb39d8a6f72ace73bf73d9feac3c048
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

beda01736d0a386f8fd5354dd54f23129fb39d8a6f72ace73bf73d9feac3c048

Threat Level: Known bad

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

Malicious Activity Summary

xworm execution rat trojan

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Drops startup file

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Looks up external IP address via web service

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 19:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 19:07

Reported

2024-06-20 19:10

Platform

win7-20240221-en

Max time kernel

120s

Max time network

148s

Command Line

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

Signatures

Detect Xworm Payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1Celestial.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 WriteProcessMemory

Description Indicator Process Target
PID 1040 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 1040 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 1040 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 1040 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 1040 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 1040 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 1040 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 1040 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 2364 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2364 wrote to memory of 2696 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\Celestial.exe

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

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

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

C:\Users\Admin\AppData\Local\Temp\1Celestial.exe

"C:\Users\Admin\AppData\Local\Temp\1Celestial.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\svchost.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.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 london-components.gl.at.ply.gg udp
US 147.185.221.20:30205 london-components.gl.at.ply.gg tcp

Files

\Users\Admin\AppData\Local\Temp\XClient.exe

MD5 38a7d3c578a960bd1d045717b822752f
SHA1 caffbb50a591cbf368f9ff1fcdf5134cf60b12c7
SHA256 cc9ebcf65f91040511bd9efa28882aec14b24f2d11aa9f789b60e01a01b913e3
SHA512 e1ac98df06407b500b21db82b045a890d6baba4c6db77603aa7598a7e2352e1cc16140ff332030bd1555e4c96e2eab630d546eed62d4e33769dc2fd91bea51ac

C:\Users\Admin\AppData\Local\Temp\1Celestial.exe

MD5 2bb7a7cf8640666e10c8f435715e84de
SHA1 cc717620c6ab50d81ad00b3332c896551479c7c1
SHA256 9f49609bb71606a39039a6012f2a0dfbcae30432d42a7f3e515a0247dbb98186
SHA512 9aa1ae9a2d49a7e44945af1c8e21471d5355d8053734d71205744ca5a430bc23f6078a5ba745e0054fac67b898327efe54916adf19d509a4331fd610080cf6f2

memory/2364-23-0x0000000001190000-0x00000000011A4000-memory.dmp

memory/2852-27-0x00000000773F0000-0x00000000773F2000-memory.dmp

memory/2852-25-0x00000000773F0000-0x00000000773F2000-memory.dmp

memory/2852-29-0x00000000773F0000-0x00000000773F2000-memory.dmp

memory/2852-31-0x0000000140000000-0x0000000141F42000-memory.dmp

memory/2140-38-0x000000001B5A0000-0x000000001B882000-memory.dmp

memory/2140-39-0x00000000027E0000-0x00000000027E8000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6JKDWHQBS2YJY7TCSAQS.temp

MD5 c108fd6e4ed03cbdd3c224a754c0b1ba
SHA1 58c8129379d67cb80310de24b7cccd5453bbe557
SHA256 96cfea04f355692348ffb4f88fb21e0d74a26b136d770e1adde6470ca7da6873
SHA512 91303892120c36fee3859e1d40321575521286ed4c1f24f74b89c1e0bcf1070facfdaffb6ffd1cfeaba1873660ad94f1b0941c84468e6820e23fde823168a93a

memory/1644-45-0x000000001B6A0000-0x000000001B982000-memory.dmp

memory/1644-46-0x00000000027E0000-0x00000000027E8000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 19:07

Reported

2024-06-20 19:10

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

60s

Command Line

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

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Celestial.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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\svchost.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\svchost.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1Celestial.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\1Celestial.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4916 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 4916 wrote to memory of 3880 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\XClient.exe
PID 4916 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 4916 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\Celestial.exe C:\Users\Admin\AppData\Local\Temp\1Celestial.exe
PID 3880 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 332 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 332 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 3880 wrote to memory of 1952 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\Celestial.exe

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

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

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

C:\Users\Admin\AppData\Local\Temp\1Celestial.exe

"C:\Users\Admin\AppData\Local\Temp\1Celestial.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\svchost.exe'

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

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.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
US 8.8.8.8:53 london-components.gl.at.ply.gg udp

Files

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

MD5 38a7d3c578a960bd1d045717b822752f
SHA1 caffbb50a591cbf368f9ff1fcdf5134cf60b12c7
SHA256 cc9ebcf65f91040511bd9efa28882aec14b24f2d11aa9f789b60e01a01b913e3
SHA512 e1ac98df06407b500b21db82b045a890d6baba4c6db77603aa7598a7e2352e1cc16140ff332030bd1555e4c96e2eab630d546eed62d4e33769dc2fd91bea51ac

memory/3880-16-0x00007FFBF0A03000-0x00007FFBF0A05000-memory.dmp

memory/3880-17-0x0000000000850000-0x0000000000864000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\1Celestial.exe

MD5 2bb7a7cf8640666e10c8f435715e84de
SHA1 cc717620c6ab50d81ad00b3332c896551479c7c1
SHA256 9f49609bb71606a39039a6012f2a0dfbcae30432d42a7f3e515a0247dbb98186
SHA512 9aa1ae9a2d49a7e44945af1c8e21471d5355d8053734d71205744ca5a430bc23f6078a5ba745e0054fac67b898327efe54916adf19d509a4331fd610080cf6f2

memory/3144-24-0x0000000140560000-0x0000000140E9D000-memory.dmp

memory/3144-23-0x00007FFC0EF90000-0x00007FFC0EF92000-memory.dmp

memory/3880-27-0x000000001B4F0000-0x000000001B500000-memory.dmp

memory/3144-25-0x0000000140000000-0x0000000141F42000-memory.dmp

memory/1340-30-0x00000219FCEB0000-0x00000219FCED2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ohgvjmof.cyv.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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 60945d1a2e48da37d4ce8d9c56b6845a
SHA1 83e80a6acbeb44b68b0da00b139471f428a9d6c1
SHA256 314b91c00997034d6e015f40230d90ebbf57de5dc938b62c1a214d591793dbe3
SHA512 5d068f1d6443e26ae3cad1c80f969e50e5860967b314153c4d3b6efd1cfa39f0907c6427bec7fa43db079f258b6357e4e9a1b0b1a36b1481d2049ea0e67909ed

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

MD5 92075279f2dbcaa5724ee5a47e49712f
SHA1 8dd3e2faa8432dde978946ebaf9054f7c6e0b2cb
SHA256 fd985ddd090621af25aa77aebff689c95ea7679ff0e81887124b2802ae3e9442
SHA512 744c62556233d9872f43ffb5a5a98aee20a44834436306f0a948c8c4072bdb46ef8044616593747edd645caaee60faf8b14fedb2d6df5f6019b5c73357d80d22

memory/3880-80-0x00007FFBF0A03000-0x00007FFBF0A05000-memory.dmp

memory/3144-81-0x0000000140560000-0x0000000140E9D000-memory.dmp

memory/3880-82-0x000000001B4F0000-0x000000001B500000-memory.dmp