Malware Analysis Report

2024-11-13 18:40

Sample ID 240711-zkhf3stbnj
Target 3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118
SHA256 8f90fb235e7f992c5731d71ad5d47e5c08448c53f93e97846b1ea146b586babd
Tags
xtremerat persistence rat spyware upx
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

8f90fb235e7f992c5731d71ad5d47e5c08448c53f93e97846b1ea146b586babd

Threat Level: Known bad

The file 3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-11 20:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-11 20:46

Reported

2024-07-11 20:49

Platform

win7-20240705-en

Max time kernel

149s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_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

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
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

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 2352 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2352 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2352 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2352 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2688 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2688 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2688 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2688 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2688 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2688 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2688 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2688 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2688 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2688 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 228

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/2352-16-0x00000000022C0000-0x00000000022D0000-memory.dmp

memory/2352-15-0x00000000022B0000-0x00000000022C0000-memory.dmp

memory/2352-14-0x00000000022A0000-0x00000000022B0000-memory.dmp

memory/2352-13-0x0000000002290000-0x00000000022A0000-memory.dmp

memory/2352-12-0x0000000000480000-0x0000000000490000-memory.dmp

memory/2352-11-0x0000000000470000-0x0000000000480000-memory.dmp

memory/2352-10-0x0000000000450000-0x0000000000460000-memory.dmp

memory/2352-9-0x0000000000440000-0x0000000000450000-memory.dmp

memory/2352-8-0x0000000000430000-0x0000000000440000-memory.dmp

memory/2352-7-0x0000000000420000-0x0000000000430000-memory.dmp

memory/2352-6-0x0000000000410000-0x0000000000420000-memory.dmp

memory/2352-5-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/2352-4-0x00000000003E0000-0x00000000003F0000-memory.dmp

memory/2352-3-0x0000000000260000-0x0000000000270000-memory.dmp

memory/2352-2-0x0000000000250000-0x0000000000260000-memory.dmp

memory/2352-1-0x00000000001C0000-0x00000000001D0000-memory.dmp

memory/2352-0-0x00000000001B0000-0x00000000001C0000-memory.dmp

memory/2688-27-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2688-28-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-20-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-19-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-26-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-25-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-21-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2756-31-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2688-32-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2756-33-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-11 20:46

Reported

2024-07-11 20:49

Platform

win10v2004-20240704-en

Max time kernel

135s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_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

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
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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 4180 wrote to memory of 616 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe
PID 616 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 616 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 616 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 616 wrote to memory of 2212 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 616 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 616 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 616 wrote to memory of 2108 N/A C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3aa8042b959d01f9bad93546c7d8c298_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4180 -ip 4180

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 548

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 484 -p 2212 -ip 2212

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2212 -ip 2212

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.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/4180-9-0x00000000020B0000-0x00000000020C0000-memory.dmp

memory/4180-8-0x00000000020A0000-0x00000000020B0000-memory.dmp

memory/4180-6-0x0000000002080000-0x0000000002090000-memory.dmp

memory/4180-5-0x0000000002070000-0x0000000002080000-memory.dmp

memory/4180-4-0x0000000002060000-0x0000000002070000-memory.dmp

memory/4180-11-0x00000000020D0000-0x00000000020E0000-memory.dmp

memory/4180-16-0x0000000002130000-0x0000000002140000-memory.dmp

memory/4180-13-0x0000000002100000-0x0000000002110000-memory.dmp

memory/4180-12-0x00000000020F0000-0x0000000002100000-memory.dmp

memory/4180-10-0x00000000020C0000-0x00000000020D0000-memory.dmp

memory/4180-7-0x0000000002090000-0x00000000020A0000-memory.dmp

memory/4180-15-0x0000000002120000-0x0000000002130000-memory.dmp

memory/4180-14-0x0000000002110000-0x0000000002120000-memory.dmp

memory/4180-3-0x0000000002050000-0x0000000002060000-memory.dmp

memory/4180-2-0x0000000002040000-0x0000000002050000-memory.dmp

memory/4180-1-0x0000000002030000-0x0000000002040000-memory.dmp

memory/4180-0-0x0000000002020000-0x0000000002030000-memory.dmp

memory/616-19-0x0000000010000000-0x000000001004D000-memory.dmp

memory/616-21-0x0000000010000000-0x000000001004D000-memory.dmp

memory/616-22-0x0000000010000000-0x000000001004D000-memory.dmp

memory/616-23-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2212-24-0x0000000010000000-0x000000001004D000-memory.dmp

memory/616-25-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2212-27-0x0000000010000000-0x000000001004D000-memory.dmp