Malware Analysis Report

2024-12-07 22:03

Sample ID 240716-c49y4s1elm
Target 4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118
SHA256 dd34645484d44f6d1a85a72b2b3e65ab9a4fa7ee16e1353aaa5cd4b7238c36b8
Tags
xtremerat persistence rat spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

dd34645484d44f6d1a85a72b2b3e65ab9a4fa7ee16e1353aaa5cd4b7238c36b8

Threat Level: Known bad

The file 4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-16 02:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 02:39

Reported

2024-07-16 02:41

Platform

win7-20240704-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2292 wrote to memory of 2444 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 2444 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2444 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2444 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2444 wrote to memory of 548 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 44

Network

N/A

Files

memory/2444-0-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-4-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-6-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-5-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-3-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-2-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-8-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-7-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2444-1-0x0000000000C80000-0x0000000000C92000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 02:39

Reported

2024-07-16 02:41

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe
PID 4652 wrote to memory of 4976 N/A C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4c76d51e1bc1ade7048a27e509b1532c_JaffaCakes118.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4976 -ip 4976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 192

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4976-0-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/4976-1-0x0000000000C80000-0x0000000000C92000-memory.dmp