Malware Analysis Report

2024-08-06 11:22

Sample ID 240617-fdh99ayfpp
Target b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118
SHA256 74742ba79b57e06294eb3bfb448a879efa96010e1e9d3b3cdf3a712c5ed124ac
Tags
quasar 111111111 spyware 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 Overview

score
10/10

SHA256

74742ba79b57e06294eb3bfb448a879efa96010e1e9d3b3cdf3a712c5ed124ac

Threat Level: Known bad

The file b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

quasar 111111111 spyware trojan

Quasar payload

Quasar RAT

Quasar family

Executes dropped EXE

Loads dropped DLL

Looks up external IP address via web service

Unsigned PE

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

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

Analysis: static1

Detonation Overview

Reported

2024-06-17 04:45

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

2024-06-17 04:45

Reported

2024-06-17 04:47

Platform

win7-20231129-en

Max time kernel

127s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_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\Copyright\QQProtect.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_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\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1848 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1848 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1848 wrote to memory of 2292 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1848 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 1848 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 1848 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 1848 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 3068 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe
PID 3068 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe
PID 3068 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe
PID 3068 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "QQProtect" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe

"C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "QQProtect" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.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
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp

Files

memory/1848-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

memory/1848-1-0x00000000013C0000-0x000000000141E000-memory.dmp

memory/1848-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe

MD5 b6d27d9de9c98e06a834b4a5e3fdc8a3
SHA1 32e80bb0a35effca77cb6397de418a94437d446d
SHA256 74742ba79b57e06294eb3bfb448a879efa96010e1e9d3b3cdf3a712c5ed124ac
SHA512 b71c11bf1108e5997f350bb097c2acc3eb8dbb568d852b9830d17efa4a140d17b3cb835b489103357cf15abd0b7eeceec36c8249908d13b6bf083dec0e3407e2

memory/3068-10-0x0000000000360000-0x00000000003BE000-memory.dmp

memory/3068-11-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/1848-12-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/3068-13-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/3068-14-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 04:45

Reported

2024-06-17 04:47

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_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\Copyright\QQProtect.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A
N/A api.ipify.org 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\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 216 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 216 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 216 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 216 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 216 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 216 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe
PID 4960 wrote to memory of 4544 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe
PID 4960 wrote to memory of 4544 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe
PID 4960 wrote to memory of 4544 N/A C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "QQProtect" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\b6d27d9de9c98e06a834b4a5e3fdc8a3_JaffaCakes118.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe

"C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe"

C:\Windows\SysWOW64\schtasks.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 freegeoip.net udp
US 8.8.8.8:53 api.ipify.org udp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp
CN 139.129.54.18:4782 tcp

Files

memory/216-0-0x000000007545E000-0x000000007545F000-memory.dmp

memory/216-1-0x0000000000950000-0x00000000009AE000-memory.dmp

memory/216-2-0x00000000058F0000-0x0000000005E94000-memory.dmp

memory/216-3-0x00000000053E0000-0x0000000005472000-memory.dmp

memory/216-4-0x0000000075450000-0x0000000075C00000-memory.dmp

memory/216-5-0x00000000054B0000-0x0000000005516000-memory.dmp

memory/216-6-0x00000000060A0000-0x00000000060B2000-memory.dmp

memory/216-7-0x000000007545E000-0x000000007545F000-memory.dmp

memory/216-8-0x0000000075450000-0x0000000075C00000-memory.dmp

C:\Users\Admin\AppData\Roaming\Copyright\QQProtect.exe

MD5 b6d27d9de9c98e06a834b4a5e3fdc8a3
SHA1 32e80bb0a35effca77cb6397de418a94437d446d
SHA256 74742ba79b57e06294eb3bfb448a879efa96010e1e9d3b3cdf3a712c5ed124ac
SHA512 b71c11bf1108e5997f350bb097c2acc3eb8dbb568d852b9830d17efa4a140d17b3cb835b489103357cf15abd0b7eeceec36c8249908d13b6bf083dec0e3407e2

memory/216-15-0x0000000075450000-0x0000000075C00000-memory.dmp

memory/4960-16-0x0000000075450000-0x0000000075C00000-memory.dmp

memory/4960-17-0x0000000075450000-0x0000000075C00000-memory.dmp

memory/4960-18-0x0000000075450000-0x0000000075C00000-memory.dmp

memory/4960-19-0x0000000005E40000-0x0000000005E4A000-memory.dmp