Malware Analysis Report

2024-08-06 11:20

Sample ID 240614-bcd7pasdnp
Target a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118
SHA256 03cc80e703f15fdbb3db1c0ef001bf9d89c9cfd112d98839734b49830ab4b17a
Tags
deafult quasar 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

03cc80e703f15fdbb3db1c0ef001bf9d89c9cfd112d98839734b49830ab4b17a

Threat Level: Known bad

The file a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

deafult quasar spyware trojan

Quasar RAT

Quasar family

Quasar payload

Executes dropped EXE

Loads dropped DLL

Looks up external IP address via web service

Drops file in Program Files directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious use of SetWindowsHookEx

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

2024-06-14 00:59

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

2024-06-14 00:59

Reported

2024-06-14 01:02

Platform

win7-20240220-en

Max time kernel

137s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_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:\Program Files (x86)\Skypa\Skypu.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_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

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Skypa\Skypu.exe C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\Skypa\Skypu.exe C:\Program Files (x86)\Skypa\Skypu.exe N/A
File opened for modification C:\Program Files (x86)\Skypa C:\Program Files (x86)\Skypa\Skypu.exe N/A
File created C:\Program Files (x86)\Skypa\Skypu.exe C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe 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\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Skypa\Skypu.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Skypa\Skypu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 3032 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 3032 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 3032 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 3032 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 3032 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 3032 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 3032 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 2512 wrote to memory of 2492 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2512 wrote to memory of 2492 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2512 wrote to memory of 2492 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2512 wrote to memory of 2492 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "app" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe" /rl HIGHEST /f

C:\Program Files (x86)\Skypa\Skypu.exe

"C:\Program Files (x86)\Skypa\Skypu.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "app" /sc ONLOGON /tr "C:\Program Files (x86)\Skypa\Skypu.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
N/A 192.168.0.105:4782 tcp
BG 84.43.208.174:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 192.168.0.105:4782 tcp
BG 84.43.208.174:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 192.168.0.105:4782 tcp
BG 84.43.208.174:4782 tcp

Files

memory/3032-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

memory/3032-1-0x0000000000830000-0x000000000088E000-memory.dmp

memory/3032-2-0x00000000742A0000-0x000000007498E000-memory.dmp

\Program Files (x86)\Skypa\Skypu.exe

MD5 a76ef5638e61804d10d31e8ed1c84343
SHA1 32039dc29cf63a139d515938b27e9a31bfc5f9d6
SHA256 03cc80e703f15fdbb3db1c0ef001bf9d89c9cfd112d98839734b49830ab4b17a
SHA512 626491f951c3c35da39241338334a18091786f96ca062bac16addb6b7142365c04e6dd613a2109e537e4dd77841b9cdcab75347b16b55e9a88ceb2e79f58c0b9

memory/2512-10-0x0000000000E60000-0x0000000000EBE000-memory.dmp

memory/2512-11-0x00000000742A0000-0x000000007498E000-memory.dmp

memory/2512-13-0x00000000742A0000-0x000000007498E000-memory.dmp

memory/3032-12-0x00000000742A0000-0x000000007498E000-memory.dmp

memory/2512-15-0x00000000742A0000-0x000000007498E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 00:59

Reported

2024-06-14 01:02

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_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:\Program Files (x86)\Skypa\Skypu.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

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Skypa\Skypu.exe C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\Skypa\Skypu.exe C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe N/A
File opened for modification C:\Program Files (x86)\Skypa\Skypu.exe C:\Program Files (x86)\Skypa\Skypu.exe N/A
File opened for modification C:\Program Files (x86)\Skypa C:\Program Files (x86)\Skypa\Skypu.exe 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\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Skypa\Skypu.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Skypa\Skypu.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 116 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 116 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 116 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 116 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 116 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 116 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe C:\Program Files (x86)\Skypa\Skypu.exe
PID 2800 wrote to memory of 2248 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2800 wrote to memory of 2248 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe
PID 2800 wrote to memory of 2248 N/A C:\Program Files (x86)\Skypa\Skypu.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "app" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\a76ef5638e61804d10d31e8ed1c84343_JaffaCakes118.exe" /rl HIGHEST /f

C:\Program Files (x86)\Skypa\Skypu.exe

"C:\Program Files (x86)\Skypa\Skypu.exe"

C:\Windows\SysWOW64\schtasks.exe

"schtasks" /create /tn "app" /sc ONLOGON /tr "C:\Program Files (x86)\Skypa\Skypu.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
N/A 192.168.0.105:4782 tcp
BG 84.43.208.174:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 192.168.0.105:4782 tcp
BG 84.43.208.174:4782 tcp
N/A 127.0.0.1:4782 tcp
N/A 192.168.0.105:4782 tcp

Files

memory/116-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

memory/116-1-0x00000000005D0000-0x000000000062E000-memory.dmp

memory/116-2-0x0000000005470000-0x0000000005A14000-memory.dmp

memory/116-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

memory/116-4-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/116-5-0x0000000004FB0000-0x0000000005016000-memory.dmp

memory/116-6-0x0000000005410000-0x0000000005422000-memory.dmp

memory/116-7-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

memory/116-8-0x0000000074B60000-0x0000000075310000-memory.dmp

C:\Program Files (x86)\Skypa\Skypu.exe

MD5 a76ef5638e61804d10d31e8ed1c84343
SHA1 32039dc29cf63a139d515938b27e9a31bfc5f9d6
SHA256 03cc80e703f15fdbb3db1c0ef001bf9d89c9cfd112d98839734b49830ab4b17a
SHA512 626491f951c3c35da39241338334a18091786f96ca062bac16addb6b7142365c04e6dd613a2109e537e4dd77841b9cdcab75347b16b55e9a88ceb2e79f58c0b9

memory/2800-15-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/116-16-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2800-17-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2800-19-0x0000000006C50000-0x0000000006C5A000-memory.dmp

memory/2800-20-0x0000000074B60000-0x0000000075310000-memory.dmp