Malware Analysis Report

2025-08-06 02:50

Sample ID 241015-yxsxxayenj
Target 49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118
SHA256 e4e34486b6399b398c6262e7ff84a80620f3bd812682f3414ec91c362df7b957
Tags
credential_access discovery evasion persistence spyware 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

e4e34486b6399b398c6262e7ff84a80620f3bd812682f3414ec91c362df7b957

Threat Level: Known bad

The file 49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

credential_access discovery evasion persistence spyware stealer trojan

UAC bypass

Reads user/profile data of web browsers

Unsecured Credentials: Credentials In Files

Reads data files stored by FTP clients

Reads local data of messenger clients

Adds Run key to start application

Looks up external IP address via web service

Unsigned PE

System Location Discovery: System Language Discovery

Modifies registry key

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 20:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 20:10

Reported

2024-10-15 20:12

Platform

win7-20240903-en

Max time kernel

124s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_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:\Windows\SysWOW64\reg.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads local data of messenger clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\svvhost.exe" C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyip.com N/A N/A
N/A ip-address.domaintools.com N/A N/A
N/A ip-address.domaintools.com N/A N/A
N/A ip-address.domaintools.com N/A N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Modifies registry key

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 whatismyip.com udp
US 104.27.207.92:80 whatismyip.com tcp
US 8.8.8.8:53 www.whatismyip.com udp
US 104.27.206.92:443 www.whatismyip.com tcp
US 104.27.206.92:443 www.whatismyip.com tcp
US 8.8.8.8:53 ip-address.domaintools.com udp
US 199.30.228.13:80 ip-address.domaintools.com tcp
US 199.30.228.13:443 ip-address.domaintools.com tcp
US 199.30.228.13:443 ip-address.domaintools.com tcp

Files

memory/3064-0-0x00000000744E1000-0x00000000744E2000-memory.dmp

memory/3064-1-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-2-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-3-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-4-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-7-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-6-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-8-0x00000000744E0000-0x0000000074A8B000-memory.dmp

memory/3064-9-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 20:10

Reported

2024-10-15 20:12

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_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:\Windows\SysWOW64\reg.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads local data of messenger clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\svvhost.exe" C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A whatismyip.com N/A N/A
N/A ip-address.domaintools.com N/A N/A
N/A ip-address.domaintools.com N/A 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\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\reg.exe N/A

Modifies registry key

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\49c8a036eae3c0e9e599a53d98113cb2_JaffaCakes118.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 whatismyip.com udp
US 104.27.206.92:80 whatismyip.com tcp
US 8.8.8.8:53 www.whatismyip.com udp
US 104.27.206.92:443 www.whatismyip.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 92.206.27.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 ip-address.domaintools.com udp
US 199.30.228.13:80 ip-address.domaintools.com tcp
US 199.30.228.13:443 ip-address.domaintools.com tcp
US 8.8.8.8:53 13.228.30.199.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 133.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 10.28.171.150.in-addr.arpa udp

Files

memory/4868-0-0x00000000753F2000-0x00000000753F3000-memory.dmp

memory/4868-1-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-2-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-3-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-4-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-6-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-7-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-8-0x00000000753F2000-0x00000000753F3000-memory.dmp

memory/4868-9-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-10-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-11-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/4868-12-0x00000000753F0000-0x00000000759A1000-memory.dmp