Malware Analysis Report

2024-10-19 10:47

Sample ID 240620-hv4zdsvfla
Target 03df027cc9de1de0a3ee5c3b49996217_JaffaCakes118
SHA256 a822983160e3cf62855ada9d9edb8e06369eb9cdb23b2b133b98b86ca04fffc5
Tags
adware evasion stealer 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

a822983160e3cf62855ada9d9edb8e06369eb9cdb23b2b133b98b86ca04fffc5

Threat Level: Known bad

The file 03df027cc9de1de0a3ee5c3b49996217_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

adware evasion stealer trojan

UAC bypass

Installs/modifies Browser Helper Object

Drops file in Windows directory

Unsigned PE

Modifies Internet Explorer settings

Modifies registry key

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 07:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 07:04

Reported

2024-06-20 07:07

Platform

win7-20240419-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\SysWOW64\reg.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\ C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\WINDOWS\addins\MediaPlay.dll C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass\Clsid C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2148 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\SysWOW64\cmd.exe
PID 2148 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\SysWOW64\cmd.exe
PID 3036 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3036 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3036 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 3036 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE
PID 2148 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe C:\Windows\syswow64\REGSVR32.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe

"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\SysWOW64\reg.exe

C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\syswow64\REGSVR32.EXE

C:\Windows\syswow64\REGSVR32.EXE /s C:\WINDOWS\addins\MediaPlay.dll

Network

Country Destination Domain Proto
BR 200.183.154.2:80 tcp
BR 200.183.154.2:80 tcp
KR 211.179.234.210:8000 211.179.234.210 tcp

Files

memory/2148-2-0x0000000003D50000-0x0000000004DB2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 07:04

Reported

2024-06-20 07:06

Platform

win10v2004-20240508-en

Max time kernel

45s

Max time network

37s

Command Line

"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\SysWOW64\reg.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\ C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\WINDOWS\addins\MediaPlay.dll C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass\Clsid C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MediaPlay.sampleclass C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe

"C:\Users\Admin\AppData\Local\Temp\FOTO20122.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\SysWOW64\reg.exe

C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\SysWOW64\REGSVR32.EXE

C:\Windows\syswow64\REGSVR32.EXE /s C:\WINDOWS\addins\MediaPlay.dll

Network

Country Destination Domain Proto
BR 200.183.154.2:80 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
KR 211.179.234.210:8000 tcp

Files

N/A