Malware Analysis Report

2024-11-16 13:12

Sample ID 240625-trljeszfpa
Target 0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118
SHA256 25beefce7f8d9d5155691b92fc7894f4013684f67f18dd94f28840f4d0da324f
Tags
sality backdoor evasion 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

25beefce7f8d9d5155691b92fc7894f4013684f67f18dd94f28840f4d0da324f

Threat Level: Known bad

The file 0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

UAC bypass

Sality

Windows security bypass

Disables RegEdit via registry modification

Disables Task Manager via registry modification

UPX packed file

Windows security modification

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Program crash

System policy modification

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 16:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 16:17

Reported

2024-06-25 16:20

Platform

win7-20240611-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 256

Network

N/A

Files

memory/2208-0-0x0000000030000000-0x000000003002A000-memory.dmp

memory/2208-1-0x0000000000230000-0x000000000025A000-memory.dmp

memory/2208-2-0x0000000000230000-0x000000000025A000-memory.dmp

memory/2208-3-0x0000000030000000-0x000000003002A000-memory.dmp

memory/2208-4-0x0000000000230000-0x000000000023D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 16:17

Reported

2024-06-25 16:20

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe"

Signatures

Sality

backdoor sality

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Disables RegEdit via registry modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Disables Task Manager via registry modification

evasion

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SYSTEM.INI C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0eb989cd3bea2488225b890d0566d5d8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 436 -ip 436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 436 -s 684

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/436-0-0x0000000030000000-0x000000003002A000-memory.dmp

memory/436-1-0x0000000002270000-0x00000000032A3000-memory.dmp

memory/436-3-0x0000000002270000-0x00000000032A3000-memory.dmp

memory/436-13-0x0000000030000000-0x000000003002A000-memory.dmp