Malware Analysis Report

2024-11-16 13:15

Sample ID 240625-a4hthsvamq
Target 0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118
SHA256 7291115a8f543040972d46d16012d4e168191411679b8ad17ce85d4d408ea34d
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

7291115a8f543040972d46d16012d4e168191411679b8ad17ce85d4d408ea34d

Threat Level: Known bad

The file 0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

Modifies firewall policy service

Sality

UAC bypass

Windows security bypass

Disables Task Manager via registry modification

Disables RegEdit via registry modification

UPX packed file

Windows security modification

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 00:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 00:45

Reported

2024-06-25 00:46

Platform

win7-20240611-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 00:45

Reported

2024-06-25 00:48

Platform

win10v2004-20240508-en

Max time kernel

52s

Max time network

51s

Command Line

"fontdrvhost.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A

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\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A

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\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_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\0b9ab733efe391da1c7188a0a73ea2b8_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
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

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\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_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\0b9ab733efe391da1c7188a0a73ea2b8_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\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1312 wrote to memory of 784 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\fontdrvhost.exe
PID 1312 wrote to memory of 792 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\fontdrvhost.exe
PID 1312 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\dwm.exe
PID 1312 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\sihost.exe
PID 1312 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\svchost.exe
PID 1312 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\taskhostw.exe
PID 1312 wrote to memory of 3408 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 1312 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\svchost.exe
PID 1312 wrote to memory of 3812 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\system32\DllHost.exe
PID 1312 wrote to memory of 3908 N/A C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe

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\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe N/A

Processes

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\fontdrvhost.exe

"fontdrvhost.exe"

C:\Windows\system32\dwm.exe

"dwm.exe"

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe

"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca

C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0b9ab733efe391da1c7188a0a73ea2b8_JaffaCakes118.exe"

Network

Files

memory/1312-0-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1312-1-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-8-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-6-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-5-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-4-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-12-0x00000000021E0000-0x000000000326E000-memory.dmp

memory/1312-14-0x0000000000400000-0x0000000000438000-memory.dmp