Malware Analysis Report

2024-12-07 22:02

Sample ID 240716-evcncsxdkd
Target 4cc385e8c2b763a1430f891373e0c693_JaffaCakes118
SHA256 55c43326f1cd6e7234dee063f049f260b8e0359b935fb0e0be5d64d05dcf63a6
Tags
upx xtremerat persistence rat spyware
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

55c43326f1cd6e7234dee063f049f260b8e0359b935fb0e0be5d64d05dcf63a6

Threat Level: Known bad

The file 4cc385e8c2b763a1430f891373e0c693_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Xtremerat family

UPX packed file

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 04:15

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 04:15

Reported

2024-07-16 04:17

Platform

win7-20240704-en

Max time kernel

150s

Max time network

15s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2240 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2240 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2240 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2240 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2240 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2240 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2240 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2240 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2240 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

Network

N/A

Files

memory/2240-0-0x0000000010000000-0x000000001008A000-memory.dmp

memory/2336-1-0x0000000010000000-0x000000001008A000-memory.dmp

memory/2336-3-0x0000000010000000-0x000000001008A000-memory.dmp

memory/2240-4-0x0000000010000000-0x000000001008A000-memory.dmp

memory/2336-5-0x0000000010000000-0x000000001008A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 04:15

Reported

2024-07-16 04:17

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_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

XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
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

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4cc385e8c2b763a1430f891373e0c693_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1612 -ip 1612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1612 -ip 1612

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3724-0-0x0000000010000000-0x000000001008A000-memory.dmp

memory/1612-1-0x0000000010000000-0x000000001008A000-memory.dmp

memory/3724-2-0x0000000010000000-0x000000001008A000-memory.dmp

memory/1612-3-0x0000000010000000-0x000000001008A000-memory.dmp