Malware Analysis Report

2024-10-18 21:30

Sample ID 240809-zr95nssfqf
Target Celestial.exe
SHA256 e94a439b85ca5bc7d19dda9a6ea43d921c385f99dedf8b6a6560cb747e43e264
Tags
xworm discovery rat trojan stormkitty credential_access spyware stealer
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

e94a439b85ca5bc7d19dda9a6ea43d921c385f99dedf8b6a6560cb747e43e264

Threat Level: Known bad

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

Malicious Activity Summary

xworm discovery rat trojan stormkitty credential_access spyware stealer

Detect Xworm Payload

StormKitty

Xworm

StormKitty payload

Credentials from Password Stores: Credentials from Web Browsers

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Reads user/profile data of web browsers

Drops startup file

Looks up external IP address via web service

Unsigned PE

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Time Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-09 20:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-09 20:58

Reported

2024-08-09 21:00

Platform

win7-20240729-en

Max time kernel

27s

Max time network

149s

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
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\1Celestial.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\1Celestial.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Celestial.exe N/A

Suspicious use of AdjustPrivilegeToken

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

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"

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 20.ip.gl.ply.gg udp
US 147.185.221.20:32901 20.ip.gl.ply.gg 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

Files

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

MD5 2c2bf7640b13839dcffc5524e9ff6972
SHA1 4e91d65f34a33498b39419dbffee5efd8703ca05
SHA256 58588e19dac77c6689a6167865f9ad8f0fe531afbe4d66243d55f3e0e5a555c4
SHA512 980afa1660da3522c5a0d6296fb1fe9ddcb53dfa829d6d64bd9c63714147536c090f12c9f533e67187d5250b5a219a9c9aa876ee375995a2e1cb1dac1e6de65e

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

MD5 d726f0f603538577a7e12448419fed1a
SHA1 1ea8047f9e825c9dd648a12c98689e1c6ad11c70
SHA256 e4d2faf2aa895163625ea12416ce945b256f0e13b8327152d6eb80f3ee9fc332
SHA512 a9643b891d7a092799ee032c032daa0e1303f639a1893fe1ea7e2830cbae12dbb0d754ebe7bbedcb2396f6bfed5539a932c8f8726b7ff13e217fc39f630b7dfd

memory/2804-30-0x00000000010E0000-0x00000000010F6000-memory.dmp

memory/2772-31-0x0000000000ED0000-0x0000000000EFE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-09 20:58

Reported

2024-08-09 21:00

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

151s

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
N/A N/A N/A N/A
N/A N/A N/A N/A

StormKitty

stealer stormkitty

StormKitty payload

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

Xworm

trojan rat xworm

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Celestial.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\1Celestial.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\1Celestial.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

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Browser Information Discovery

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Celestial.exe N/A

System Time Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\system32\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1Celestial.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1Celestial.exe N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\svchost.exe N/A

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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4612,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x510 0x414

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 36.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.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 engineering-thoroughly.gl.at.ply.gg udp
US 147.185.221.20:32901 engineering-thoroughly.gl.at.ply.gg tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa 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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 147.185.221.20:32901 engineering-thoroughly.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 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 20.58.20.217.in-addr.arpa 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 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 16.173.189.20.in-addr.arpa udp

Files

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

MD5 2c2bf7640b13839dcffc5524e9ff6972
SHA1 4e91d65f34a33498b39419dbffee5efd8703ca05
SHA256 58588e19dac77c6689a6167865f9ad8f0fe531afbe4d66243d55f3e0e5a555c4
SHA512 980afa1660da3522c5a0d6296fb1fe9ddcb53dfa829d6d64bd9c63714147536c090f12c9f533e67187d5250b5a219a9c9aa876ee375995a2e1cb1dac1e6de65e

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

MD5 d726f0f603538577a7e12448419fed1a
SHA1 1ea8047f9e825c9dd648a12c98689e1c6ad11c70
SHA256 e4d2faf2aa895163625ea12416ce945b256f0e13b8327152d6eb80f3ee9fc332
SHA512 a9643b891d7a092799ee032c032daa0e1303f639a1893fe1ea7e2830cbae12dbb0d754ebe7bbedcb2396f6bfed5539a932c8f8726b7ff13e217fc39f630b7dfd

memory/2356-22-0x00007FFDE8E43000-0x00007FFDE8E45000-memory.dmp

memory/2356-25-0x0000000000A90000-0x0000000000AA6000-memory.dmp

memory/3728-26-0x0000000000780000-0x00000000007AE000-memory.dmp

memory/3728-27-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/2356-28-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/3728-29-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/2356-34-0x0000000002C10000-0x0000000002C1C000-memory.dmp

memory/2356-35-0x00007FFDE8E43000-0x00007FFDE8E45000-memory.dmp

memory/2356-36-0x000000001D110000-0x000000001D19E000-memory.dmp

memory/3728-37-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/2356-38-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/3728-39-0x00007FFDE8E40000-0x00007FFDE9901000-memory.dmp

memory/2356-40-0x000000001D5A0000-0x000000001D6BE000-memory.dmp

memory/2356-76-0x000000001D0B0000-0x000000001D0D2000-memory.dmp

memory/2356-78-0x000000001D6C0000-0x000000001D87A000-memory.dmp

memory/2356-79-0x0000000001510000-0x000000000151A000-memory.dmp