Malware Analysis Report

2024-10-23 19:11

Sample ID 240524-lfq1rscf23
Target 6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118
SHA256 489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f
Tags
monero1 quasar spyware 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

489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f

Threat Level: Known bad

The file 6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

monero1 quasar spyware trojan

Quasar payload

Quasar family

Quasar RAT

Executes dropped EXE

Loads dropped DLL

Looks up external IP address via web service

Unsigned PE

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-24 09:28

Signatures

Quasar family

quasar

Quasar payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-24 09:28

Reported

2024-05-24 09:31

Platform

win7-20240220-en

Max time kernel

127s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar 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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe N/A

Looks up external IP address via web service

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

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2700 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2700 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2700 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2700 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2700 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe
PID 2700 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe
PID 2700 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe
PID 2700 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe
PID 2600 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe C:\Windows\SysWOW64\schtasks.exe
PID 2600 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe C:\Windows\SysWOW64\schtasks.exe
PID 2600 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe C:\Windows\SysWOW64\schtasks.exe
PID 2600 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe

"C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe" /rl HIGHEST /f

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 208.95.112.1:80 ip-api.com tcp
US 75.139.0.160:9871 tcp
US 108.72.117.71:9871 tcp
US 75.139.0.160:9871 tcp
US 108.72.117.71:9871 tcp
US 75.139.0.160:9871 tcp
US 108.72.117.71:9871 tcp

Files

memory/2700-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

memory/2700-1-0x0000000000C50000-0x0000000000CAE000-memory.dmp

memory/2700-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

\Users\Admin\AppData\Roaming\quasr2\Quas2.exe

MD5 6e0afb3139f4a822fb8e62492fbff4f4
SHA1 8acc07d47261f85b951beae1318e8a06ee5b1e62
SHA256 489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f
SHA512 6ea362c2c8f7d4a3ac22cde95e2680e102f36e775cc6dadabbd3d71912c7c0e5034426c78c55261b5910512b7a54273edc9b04c872516f001dc2cb03f68f5393

memory/2600-10-0x0000000000B20000-0x0000000000B7E000-memory.dmp

memory/2600-11-0x00000000744C0000-0x0000000074BAE000-memory.dmp

memory/2700-9-0x00000000744C0000-0x0000000074BAE000-memory.dmp

memory/2600-12-0x00000000744C0000-0x0000000074BAE000-memory.dmp

memory/2600-13-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 09:28

Reported

2024-05-24 09:31

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe"

Signatures

Quasar RAT

trojan spyware quasar

Quasar payload

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe N/A

Looks up external IP address via web service

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

Creates scheduled task(s)

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\6e0afb3139f4a822fb8e62492fbff4f4_JaffaCakes118.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe

"C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "Monero2" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.160:443 www.bing.com tcp
US 75.139.0.160:9871 tcp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 160.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 108.72.117.71:9871 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 75.139.0.160:9871 tcp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 108.72.117.71:9871 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 75.139.0.160:9871 tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 108.72.117.71:9871 tcp

Files

memory/2700-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/2700-1-0x0000000000B10000-0x0000000000B6E000-memory.dmp

memory/2700-2-0x0000000005890000-0x0000000005E34000-memory.dmp

memory/2700-3-0x0000000005400000-0x0000000005492000-memory.dmp

memory/2700-4-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/2700-5-0x00000000054A0000-0x0000000005506000-memory.dmp

memory/2700-6-0x0000000005860000-0x0000000005872000-memory.dmp

memory/2700-7-0x0000000006660000-0x000000000669C000-memory.dmp

C:\Users\Admin\AppData\Roaming\quasr2\Quas2.exe

MD5 6e0afb3139f4a822fb8e62492fbff4f4
SHA1 8acc07d47261f85b951beae1318e8a06ee5b1e62
SHA256 489d79372f4dd063454ee6345567b4cc799262ccbc28ac56ccde8ab8376bdb4f
SHA512 6ea362c2c8f7d4a3ac22cde95e2680e102f36e775cc6dadabbd3d71912c7c0e5034426c78c55261b5910512b7a54273edc9b04c872516f001dc2cb03f68f5393

memory/1828-13-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/2700-14-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/1828-15-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/1828-16-0x0000000074A70000-0x0000000075220000-memory.dmp

memory/1828-17-0x0000000006DB0000-0x0000000006DBA000-memory.dmp