Malware Analysis Report

2024-10-23 19:09

Sample ID 240524-tdy8csbf26
Target 6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118
SHA256 8860dd0f1793f1585f0862dad7c6c1aad2f6f20352620ffbd85acbec37274e65
Tags
quasar qua2 spyware trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

8860dd0f1793f1585f0862dad7c6c1aad2f6f20352620ffbd85acbec37274e65

Threat Level: Known bad

The file 6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

quasar qua2 spyware trojan upx

Quasar RAT

Quasar payload

Drops startup file

Loads dropped DLL

Executes dropped EXE

UPX packed file

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

NTFS ADS

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-24 15:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-24 15:57

Reported

2024-05-24 15:59

Platform

win7-20240419-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_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
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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CvbgfQ.vbs C:\Windows\SysWOW64\notepad.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Loads dropped DLL

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

UPX packed file

upx
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
N/A N/A N/A N/A

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2476 set thread context of 2368 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe:ZoneIdentifier C:\Windows\SysWOW64\notepad.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3000 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2740 wrote to memory of 2476 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2740 wrote to memory of 2476 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2740 wrote to memory of 2476 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2740 wrote to memory of 2476 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2476 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2476 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2476 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2476 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe"

C:\Windows\SysWOW64\notepad.exe

"C:\Windows\system32\notepad.exe"

C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

"C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe"

C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

"C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.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
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp

Files

memory/3000-0-0x0000000000220000-0x0000000000221000-memory.dmp

memory/3000-1-0x0000000000350000-0x0000000000362000-memory.dmp

memory/3000-2-0x0000000000350000-0x0000000000362000-memory.dmp

memory/3000-3-0x0000000000370000-0x0000000000371000-memory.dmp

memory/3000-4-0x0000000000400000-0x00000000004D8000-memory.dmp

memory/2740-9-0x0000000000080000-0x0000000000081000-memory.dmp

memory/2740-12-0x0000000000080000-0x0000000000081000-memory.dmp

\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

MD5 6f0e102a9b5a459f182e5b0501ab2315
SHA1 f121b12f1ee6d672ff1a44eb88fe4669ff8f308c
SHA256 8860dd0f1793f1585f0862dad7c6c1aad2f6f20352620ffbd85acbec37274e65
SHA512 773fae77ebf65ae8c44cfd122047c693b2da95af5456a4e9f72bbc85e17fabc37200e96fc793c30dee871048769501fe9b01bbf4b338a515cc5fd526316c5047

memory/2476-23-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2476-26-0x0000000000370000-0x0000000000371000-memory.dmp

memory/2476-27-0x0000000000400000-0x00000000004D8000-memory.dmp

memory/2476-29-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2368-37-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-42-0x00000000004D0000-0x000000000052E000-memory.dmp

memory/2368-43-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-41-0x00000000004D0000-0x000000000052E000-memory.dmp

memory/2368-40-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-39-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-34-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-54-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/2368-55-0x0000000000400000-0x00000000004C9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-24 15:57

Reported

2024-05-24 15:59

Platform

win10v2004-20240508-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CvbgfQ.vbs C:\Windows\SysWOW64\notepad.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2500 set thread context of 3308 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

NTFS ADS

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe:ZoneIdentifier C:\Windows\SysWOW64\notepad.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2672 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2672 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2672 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2672 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2672 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2044 wrote to memory of 2500 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2044 wrote to memory of 2500 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2044 wrote to memory of 2500 N/A C:\Windows\SysWOW64\notepad.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2500 wrote to memory of 3308 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2500 wrote to memory of 3308 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe
PID 2500 wrote to memory of 3308 N/A C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6f0e102a9b5a459f182e5b0501ab2315_JaffaCakes118.exe"

C:\Windows\SysWOW64\notepad.exe

"C:\Windows\system32\notepad.exe"

C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

"C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe"

C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

"C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
NL 23.62.61.129:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 129.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.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 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
DE 79.134.225.77:1973 tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp
DE 79.134.225.77:1973 tcp

Files

memory/2672-0-0x0000000002480000-0x0000000002481000-memory.dmp

memory/2672-1-0x0000000003F70000-0x0000000003F82000-memory.dmp

memory/2672-2-0x0000000003F70000-0x0000000003F82000-memory.dmp

memory/2672-3-0x00000000024E0000-0x00000000024E1000-memory.dmp

memory/2672-4-0x0000000000400000-0x00000000004D8000-memory.dmp

memory/2672-6-0x0000000002480000-0x0000000002481000-memory.dmp

memory/2044-11-0x00000000004A0000-0x00000000004A1000-memory.dmp

C:\Users\Admin\AppData\Roaming\AsdfgQ\SQdfgh5f.exe

MD5 6f0e102a9b5a459f182e5b0501ab2315
SHA1 f121b12f1ee6d672ff1a44eb88fe4669ff8f308c
SHA256 8860dd0f1793f1585f0862dad7c6c1aad2f6f20352620ffbd85acbec37274e65
SHA512 773fae77ebf65ae8c44cfd122047c693b2da95af5456a4e9f72bbc85e17fabc37200e96fc793c30dee871048769501fe9b01bbf4b338a515cc5fd526316c5047

memory/2500-18-0x0000000000400000-0x00000000004D8000-memory.dmp

memory/2500-21-0x0000000000400000-0x00000000004D8000-memory.dmp

memory/3308-30-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-36-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-35-0x0000000000A10000-0x0000000000A6E000-memory.dmp

memory/3308-34-0x0000000000A10000-0x0000000000A6E000-memory.dmp

memory/3308-33-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-27-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-47-0x0000000004C00000-0x00000000051A4000-memory.dmp

memory/3308-48-0x00000000051B0000-0x0000000005242000-memory.dmp

memory/3308-49-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-31-0x0000000000400000-0x00000000004C9000-memory.dmp

memory/3308-50-0x0000000005290000-0x00000000052F6000-memory.dmp

memory/3308-51-0x0000000005960000-0x0000000005972000-memory.dmp

memory/3308-52-0x0000000005FC0000-0x0000000005FFC000-memory.dmp

memory/3308-54-0x0000000006390000-0x000000000639A000-memory.dmp