Malware Analysis Report

2024-11-16 13:15

Sample ID 240625-jfdpbszelq
Target 0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118
SHA256 2a6fd80c1d7efad42e706cc891aec160e2594eaf8ce08bc14be5f2f17e4460b3
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

2a6fd80c1d7efad42e706cc891aec160e2594eaf8ce08bc14be5f2f17e4460b3

Threat Level: Known bad

The file 0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sality backdoor evasion trojan upx

Sality

UAC bypass

UPX packed file

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Program crash

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 07:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 07:36

Reported

2024-06-25 07:38

Platform

win7-20240221-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 220

Network

N/A

Files

memory/2968-0-0x0000000000400000-0x00000000004A7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 07:36

Reported

2024-06-25 07:38

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

"fontdrvhost.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\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A

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

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\0d3a1004800fdb62d3299a48f72fc086_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\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 652 wrote to memory of 788 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\fontdrvhost.exe
PID 652 wrote to memory of 796 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\fontdrvhost.exe
PID 652 wrote to memory of 60 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\dwm.exe
PID 652 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\sihost.exe
PID 652 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\svchost.exe
PID 652 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\taskhostw.exe
PID 652 wrote to memory of 3436 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 652 wrote to memory of 3576 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\svchost.exe
PID 652 wrote to memory of 3776 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\system32\DllHost.exe
PID 652 wrote to memory of 3872 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
PID 652 wrote to memory of 3936 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\System32\RuntimeBroker.exe
PID 652 wrote to memory of 4016 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
PID 652 wrote to memory of 3832 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\System32\RuntimeBroker.exe
PID 652 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
PID 652 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe C:\Windows\System32\RuntimeBroker.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\0d3a1004800fdb62d3299a48f72fc086_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:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe

"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca

C:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe

"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca

C:\Windows\System32\RuntimeBroker.exe

C:\Windows\System32\RuntimeBroker.exe -Embedding

C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0d3a1004800fdb62d3299a48f72fc086_JaffaCakes118.exe"

Network

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

Files

memory/652-0-0x0000000000400000-0x00000000004A7000-memory.dmp

memory/652-1-0x00000000024F0000-0x0000000003520000-memory.dmp

memory/652-3-0x00000000024F0000-0x0000000003520000-memory.dmp

memory/652-10-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

memory/652-12-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

memory/652-8-0x00000000024F0000-0x0000000003520000-memory.dmp

memory/652-7-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

memory/652-14-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

memory/652-6-0x0000000000CB0000-0x0000000000CB2000-memory.dmp

memory/652-22-0x0000000000400000-0x00000000004A7000-memory.dmp