Malware Analysis Report

2025-01-18 04:54

Sample ID 241012-yr3vxstaml
Target 3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118
SHA256 94ad71fc1d12a4e21cf6b4372d69b9c9238c84ec337ddf6d828487a44db2731a
Tags
stealer revengerat discovery
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

94ad71fc1d12a4e21cf6b4372d69b9c9238c84ec337ddf6d828487a44db2731a

Threat Level: Known bad

The file 3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

stealer revengerat discovery

RevengeRat Executable

Revengerat family

Suspicious use of SetThreadContext

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-12 20:02

Signatures

RevengeRat Executable

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

Revengerat family

revengerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-12 20:02

Reported

2024-10-12 20:04

Platform

win7-20240708-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe"

Signatures

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\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 2052 wrote to memory of 804 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 804 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 804 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 804 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 804 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 804 -s 180

Network

N/A

Files

memory/2052-0-0x0000000074881000-0x0000000074882000-memory.dmp

memory/2052-1-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2052-2-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/804-3-0x0000000000400000-0x0000000000427000-memory.dmp

memory/804-4-0x0000000000400000-0x0000000000427000-memory.dmp

memory/804-9-0x0000000000400000-0x0000000000427000-memory.dmp

memory/804-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/804-6-0x0000000000400000-0x0000000000427000-memory.dmp

memory/804-5-0x0000000000400000-0x0000000000427000-memory.dmp

memory/804-11-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2052-12-0x0000000074880000-0x0000000074E2B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-12 20:02

Reported

2024-10-12 20:04

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe"

Signatures

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\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe
PID 4384 wrote to memory of 3524 N/A C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3bd0fcaa6d955be1ad7e9bc57b9ac79a_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3524 -ip 3524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 472

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp

Files

memory/4384-0-0x0000000074742000-0x0000000074743000-memory.dmp

memory/4384-1-0x0000000074740000-0x0000000074CF1000-memory.dmp

memory/4384-2-0x0000000074740000-0x0000000074CF1000-memory.dmp

memory/3524-3-0x0000000000400000-0x0000000000427000-memory.dmp

memory/3524-5-0x0000000000400000-0x0000000000427000-memory.dmp

memory/4384-7-0x0000000074740000-0x0000000074CF1000-memory.dmp