Malware Analysis Report

2025-06-16 06:59

Sample ID 241104-bt3xdazdqe
Target 8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118
SHA256 7c436d65195f966e5111a1e99b8be66835076bfb83429600309cc39eedd7644a
Tags
discovery evasion trojan
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

7c436d65195f966e5111a1e99b8be66835076bfb83429600309cc39eedd7644a

Threat Level: Known bad

The file 8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery evasion trojan

Windows security bypass

UAC bypass

Windows security modification

Checks whether UAC is enabled

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 01:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 01:27

Reported

2024-11-04 03:52

Platform

win7-20240903-en

Max time kernel

117s

Max time network

121s

Command Line

C:\Windows\Explorer.EXE

Signatures

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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2204 wrote to memory of 2276 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2276 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2276 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2276 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2276 wrote to memory of 1196 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

Network

N/A

Files

memory/2276-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2276-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2276-5-0x0000000000400000-0x00000000004083A0-memory.dmp

memory/2276-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/1196-7-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/1196-10-0x000000007EFD0000-0x000000007EFD1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 01:27

Reported

2024-11-04 03:55

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

153s

Command Line

C:\Windows\Explorer.EXE

Signatures

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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2552 wrote to memory of 2576 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe
PID 2576 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2576 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2576 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.EXE
PID 2576 wrote to memory of 3348 N/A C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe C:\Windows\Explorer.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\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8e77f6a0086b786659d36deaf5a577aa_JaffaCakes118.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

memory/2576-2-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2576-6-0x0000000000400000-0x0000000000409000-memory.dmp

memory/2576-5-0x0000000000400000-0x00000000004083A0-memory.dmp

memory/2576-4-0x0000000000400000-0x0000000000409000-memory.dmp

memory/3348-7-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

memory/3348-8-0x000000007FFD0000-0x000000007FFD1000-memory.dmp