Malware Analysis Report

2024-08-06 18:12

Sample ID 240703-1sm7zaxhkk
Target Solara.exe
SHA256 c05a571f0f7e4233697b7590f7f4329e7da984d6fcf71a2ce521df984aa2cd54
Tags
xenorat rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c05a571f0f7e4233697b7590f7f4329e7da984d6fcf71a2ce521df984aa2cd54

Threat Level: Known bad

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

Malicious Activity Summary

xenorat rat trojan

Xenorat family

XenorRat

Checks computer location settings

Executes dropped EXE

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Persistence
TA0003
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Scheduled Task
T1053.005
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-07-03 21:54

Signatures

Xenorat family

xenorat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-03 21:54

Reported

2024-07-03 21:57

Platform

win10-20240404-en

Max time kernel

134s

Max time network

136s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

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

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4912 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 4912 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 4912 wrote to memory of 4568 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 4568 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4568 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4568 wrote to memory of 3636 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp333B.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 anyone-blogging.gl.at.ply.gg udp
US 147.185.221.20:22284 anyone-blogging.gl.at.ply.gg tcp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/4912-0-0x000000007324E000-0x000000007324F000-memory.dmp

memory/4912-1-0x0000000000EE0000-0x0000000000EF2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

MD5 13325ceba29ec848cee74cc4b4c34816
SHA1 7c7408870da2fe079aa460fe0d237e12e19cb7cb
SHA256 c05a571f0f7e4233697b7590f7f4329e7da984d6fcf71a2ce521df984aa2cd54
SHA512 e3c069485b14679bed54b47d0e914417e00e526bc6ffd2e77767c86e30267abc037b1f974add86672c9b8cc4d40ccb1420929641b495e419aa8c6bcac585e220

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Solara.exe.log

MD5 957779c42144282d8cd83192b8fbc7cf
SHA1 de83d08d2cca06b9ff3d1ef239d6b60b705d25fe
SHA256 0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51
SHA512 f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

memory/4568-9-0x0000000073240000-0x000000007392E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp333B.tmp

MD5 47a3be81106e2974e9b79d6a2f27511d
SHA1 5ed116b9007692dfaeb191ee6a47a835cfc2abff
SHA256 f9d62fcb5ea3db4838a0aad4605be0deb88b808d2dc44563bc3a62cdf077f808
SHA512 e8f583fbb98489b0936301ca7ae2962af8d8292115ca9591dcefb2efd269190f01b9931a3856dfcc74562d34c291ef59fa233aeea11eaf0bd5e34f125b44f8a4

memory/4568-12-0x0000000073240000-0x000000007392E000-memory.dmp

memory/4568-13-0x0000000073240000-0x000000007392E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-03 21:54

Reported

2024-07-03 21:57

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

94s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Solara.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1300 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 1300 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 1300 wrote to memory of 4172 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 4172 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4172 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4172 wrote to memory of 3380 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4650.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 anyone-blogging.gl.at.ply.gg udp
US 147.185.221.20:22284 anyone-blogging.gl.at.ply.gg tcp
US 8.8.8.8:53 20.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/1300-0-0x000000007449E000-0x000000007449F000-memory.dmp

memory/1300-1-0x0000000000620000-0x0000000000632000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

MD5 13325ceba29ec848cee74cc4b4c34816
SHA1 7c7408870da2fe079aa460fe0d237e12e19cb7cb
SHA256 c05a571f0f7e4233697b7590f7f4329e7da984d6fcf71a2ce521df984aa2cd54
SHA512 e3c069485b14679bed54b47d0e914417e00e526bc6ffd2e77767c86e30267abc037b1f974add86672c9b8cc4d40ccb1420929641b495e419aa8c6bcac585e220

memory/4172-14-0x0000000074490000-0x0000000074C40000-memory.dmp

memory/4172-15-0x0000000074490000-0x0000000074C40000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp4650.tmp

MD5 47a3be81106e2974e9b79d6a2f27511d
SHA1 5ed116b9007692dfaeb191ee6a47a835cfc2abff
SHA256 f9d62fcb5ea3db4838a0aad4605be0deb88b808d2dc44563bc3a62cdf077f808
SHA512 e8f583fbb98489b0936301ca7ae2962af8d8292115ca9591dcefb2efd269190f01b9931a3856dfcc74562d34c291ef59fa233aeea11eaf0bd5e34f125b44f8a4

memory/4172-18-0x0000000074490000-0x0000000074C40000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-03 21:54

Reported

2024-07-03 21:57

Platform

win11-20240611-en

Max time kernel

148s

Max time network

150s

Command Line

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

Signatures

XenorRat

trojan rat xenorat

Executes dropped EXE

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

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3092 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 3092 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 3092 wrote to memory of 4272 N/A C:\Users\Admin\AppData\Local\Temp\Solara.exe C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe
PID 4272 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4272 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe
PID 4272 wrote to memory of 1640 N/A C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe C:\Windows\SysWOW64\schtasks.exe

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

"C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks.exe" /Create /TN "Windows" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4575.tmp" /F

Network

Country Destination Domain Proto
US 8.8.8.8:53 anyone-blogging.gl.at.ply.gg udp
US 147.185.221.20:22284 anyone-blogging.gl.at.ply.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3092-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

memory/3092-1-0x0000000000A50000-0x0000000000A62000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\XenoManager\Solara.exe

MD5 13325ceba29ec848cee74cc4b4c34816
SHA1 7c7408870da2fe079aa460fe0d237e12e19cb7cb
SHA256 c05a571f0f7e4233697b7590f7f4329e7da984d6fcf71a2ce521df984aa2cd54
SHA512 e3c069485b14679bed54b47d0e914417e00e526bc6ffd2e77767c86e30267abc037b1f974add86672c9b8cc4d40ccb1420929641b495e419aa8c6bcac585e220

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Solara.exe.log

MD5 1294de804ea5400409324a82fdc7ec59
SHA1 9a39506bc6cadf99c1f2129265b610c69d1518f7
SHA256 494398ec6108c68573c366c96aae23d35e7f9bdbb440a4aab96e86fcad5871d0
SHA512 033905cc5b4d0c0ffab2138da47e3223765146fa751c9f84b199284b653a04874c32a23aae577d2e06ce6c6b34fec62331b5fc928e3baf68dc53263ecdfa10c1

memory/4272-15-0x00000000751C0000-0x0000000075971000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp4575.tmp

MD5 47a3be81106e2974e9b79d6a2f27511d
SHA1 5ed116b9007692dfaeb191ee6a47a835cfc2abff
SHA256 f9d62fcb5ea3db4838a0aad4605be0deb88b808d2dc44563bc3a62cdf077f808
SHA512 e8f583fbb98489b0936301ca7ae2962af8d8292115ca9591dcefb2efd269190f01b9931a3856dfcc74562d34c291ef59fa233aeea11eaf0bd5e34f125b44f8a4

memory/4272-18-0x00000000751C0000-0x0000000075971000-memory.dmp

memory/4272-19-0x00000000751C0000-0x0000000075971000-memory.dmp