Malware Analysis Report

2024-11-16 13:14

Sample ID 240626-aqsrkashkf
Target 1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118
SHA256 a7e33783d4ffac78319724ab63d3a9bad1329bbd1c5e0736248a7fea3bc06b09
Tags
sality backdoor evasion persistence privilege_escalation trojan upx
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

a7e33783d4ffac78319724ab63d3a9bad1329bbd1c5e0736248a7fea3bc06b09

Threat Level: Known bad

The file 1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion persistence privilege_escalation trojan upx

Windows security bypass

Sality

Modifies Windows Firewall

Disables Task Manager via registry modification

Disables RegEdit via registry modification

Windows security modification

UPX packed file

Event Triggered Execution: Netsh Helper DLL

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 00:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 00:25

Reported

2024-06-26 00:27

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 124

Network

N/A

Files

memory/1844-0-0x0000000000400000-0x0000000000436000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 00:25

Reported

2024-06-26 00:27

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe"

Signatures

Sality

backdoor sality

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A

Disables Task Manager via registry modification

evasion

Modifies Windows Firewall

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

UPX packed file

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

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe N/A

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1014dce2b5c3c975132f3bd358c95dd4_JaffaCakes118.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall set opmode disable

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1460-0-0x0000000000400000-0x0000000000436000-memory.dmp

memory/1460-1-0x00000000021E0000-0x0000000003213000-memory.dmp

memory/1460-2-0x0000000000400000-0x0000000000436000-memory.dmp

memory/1460-3-0x00000000021E0000-0x0000000003213000-memory.dmp