Malware Analysis Report

2024-10-10 12:13

Sample ID 240613-tc6aaazamk
Target a65df92d973ff5ae335af3be03915a8f_JaffaCakes118
SHA256 4f1a0a7f69c4c3e422ebd47a3975454745c92c841653fa6ddf067ac9c966d256
Tags
upx
score
7/10

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
7/10

SHA256

4f1a0a7f69c4c3e422ebd47a3975454745c92c841653fa6ddf067ac9c966d256

Threat Level: Shows suspicious behavior

The file a65df92d973ff5ae335af3be03915a8f_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx

UPX packed file

Checks BIOS information in registry

Maps connected drives based on registry

Suspicious use of SetThreadContext

Program crash

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 15:55

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 15:55

Reported

2024-06-13 15:58

Platform

win7-20240220-en

Max time kernel

140s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_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

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\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 2464 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe" Track="0001001000"

Network

Country Destination Domain Proto
US 8.8.8.8:53 1wu1it6oxp8zn0zoz.d8ntvqxqk.com udp

Files

memory/2464-0-0x0000000000400000-0x000000000053A000-memory.dmp

memory/2572-1-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-9-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-19-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-21-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2464-20-0x0000000000400000-0x000000000053A000-memory.dmp

memory/2464-17-0x0000000002750000-0x000000000288A000-memory.dmp

memory/2572-15-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2572-11-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-7-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-5-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-3-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-22-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-23-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-24-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-25-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-26-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-28-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-29-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-30-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-31-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-32-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-33-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-34-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-35-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-36-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-37-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-38-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-39-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-40-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2572-41-0x0000000000400000-0x0000000000522000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 15:55

Reported

2024-06-13 15:58

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_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

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\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe
PID 1904 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a65df92d973ff5ae335af3be03915a8f_JaffaCakes118.exe" Track="0001000000"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2564 -ip 2564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2564 -ip 2564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 2080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 2040

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 5gehiovcd.d8ntvqxqk.com udp

Files

memory/1904-0-0x0000000000400000-0x000000000053A000-memory.dmp

memory/2564-2-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-3-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1904-5-0x0000000000400000-0x000000000053A000-memory.dmp

memory/2564-1-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-6-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-8-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-9-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-10-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2564-14-0x0000000000400000-0x0000000000522000-memory.dmp