Malware Analysis Report

2024-11-30 19:34

Sample ID 240917-tctaqa1gjp
Target e72d775a6e528d243884580c1d2f03cc_JaffaCakes118
SHA256 9b2c92be6c433659bc970606b2944b01ce92e2f2b0f26eafac1d3fe2b1ed2501
Tags
agilenet collection credential_access discovery spyware stealer
score
9/10

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
9/10

SHA256

9b2c92be6c433659bc970606b2944b01ce92e2f2b0f26eafac1d3fe2b1ed2501

Threat Level: Likely malicious

The file e72d775a6e528d243884580c1d2f03cc_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

agilenet collection credential_access discovery spyware stealer

Credentials from Password Stores: Credentials from Web Browsers

Obfuscated with Agile.Net obfuscator

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Unsecured Credentials: Credentials In Files

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-17 15:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-17 15:55

Reported

2024-09-17 15:57

Platform

win7-20240903-en

Max time kernel

122s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe"

Signatures

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Obfuscated with Agile.Net obfuscator

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

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1820 set thread context of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

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\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1820 wrote to memory of 1648 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp

Files

memory/1820-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/1820-1-0x00000000003C0000-0x0000000000448000-memory.dmp

memory/1820-2-0x00000000002E0000-0x0000000000300000-memory.dmp

memory/1820-3-0x00000000747D0000-0x0000000074EBE000-memory.dmp

memory/1820-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/1820-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

memory/1820-6-0x00000000747D0000-0x0000000074EBE000-memory.dmp

memory/1648-7-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1648-11-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1648-9-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1820-12-0x00000000747D0000-0x0000000074EBE000-memory.dmp

memory/1648-13-0x0000000000820000-0x000000000082A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-17 15:55

Reported

2024-09-17 15:57

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe"

Signatures

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Obfuscated with Agile.Net obfuscator

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

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Unsecured Credentials: Credentials In Files

credential_access stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2952 set thread context of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

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\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2952 wrote to memory of 4540 N/A C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e72d775a6e528d243884580c1d2f03cc_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
US 8.8.8.8:53 121.170.16.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 193.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2952-0-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

memory/2952-1-0x00000000008C0000-0x0000000000948000-memory.dmp

memory/2952-2-0x0000000002C40000-0x0000000002C60000-memory.dmp

memory/2952-3-0x0000000005810000-0x0000000005DB4000-memory.dmp

memory/2952-4-0x0000000005260000-0x00000000052F2000-memory.dmp

memory/2952-6-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/2952-5-0x0000000005240000-0x000000000524A000-memory.dmp

memory/2952-7-0x0000000074F2E000-0x0000000074F2F000-memory.dmp

memory/2952-8-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/2952-9-0x0000000006360000-0x00000000063FC000-memory.dmp

memory/2952-12-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/4540-14-0x0000000000600000-0x000000000063A000-memory.dmp

memory/4540-13-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/4540-15-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/4540-16-0x0000000004E00000-0x0000000004E18000-memory.dmp

memory/4540-17-0x00000000050B0000-0x0000000005116000-memory.dmp

memory/4540-18-0x0000000074F20000-0x00000000756D0000-memory.dmp

memory/4540-19-0x0000000006130000-0x000000000613A000-memory.dmp

memory/4540-20-0x0000000006760000-0x00000000067B0000-memory.dmp