Malware Analysis Report

2024-12-07 21:43

Sample ID 240717-ctw99svbpd
Target 51167457038df0db2dcb153784660d1b_JaffaCakes118
SHA256 639a35a5c1a44085911492e73a3b727b79ff0300e121c8b6f23340d957180a5a
Tags
evasion trojan xtremerat persistence rat spyware 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

639a35a5c1a44085911492e73a3b727b79ff0300e121c8b6f23340d957180a5a

Threat Level: Known bad

The file 51167457038df0db2dcb153784660d1b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

evasion trojan xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Windows security bypass

UAC bypass

Windows security modification

UPX packed file

Maps connected drives based on registry

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 02:22

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 02:22

Reported

2024-07-17 02:25

Platform

win7-20240705-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.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\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe"

Network

N/A

Files

memory/2136-0-0x0000000000400000-0x000000000043E150-memory.dmp

memory/2136-3-0x0000000000400000-0x000000000043E150-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 02:22

Reported

2024-07-17 02:25

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

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\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

XtremeRAT

persistence spyware rat xtremerat

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
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\UACDisableNotify = "0" C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_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\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 2024 wrote to memory of 4884 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe
PID 4884 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 3276 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4884 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.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\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\51167457038df0db2dcb153784660d1b_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3276 -ip 3276

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1544 -ip 1544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3276 -ip 3276

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1544 -ip 1544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3276 -s 492

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/2024-0-0x0000000000400000-0x000000000043E150-memory.dmp

memory/4884-3-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4884-5-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4884-6-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4884-7-0x0000000010000000-0x0000000010048000-memory.dmp

memory/3276-8-0x0000000010000000-0x0000000010048000-memory.dmp

memory/1544-9-0x0000000010000000-0x0000000010048000-memory.dmp

memory/4884-10-0x0000000010000000-0x0000000010048000-memory.dmp

memory/3276-11-0x0000000010000000-0x0000000010048000-memory.dmp

memory/2024-13-0x0000000000400000-0x000000000043E150-memory.dmp