Malware Analysis Report

2024-12-07 21:59

Sample ID 240717-hgrrxasejg
Target 51df7dd409b18c676d7b506595e09ba7_JaffaCakes118
SHA256 c93642f0dd5a66809fb5d714e597dfc7971cb236067bc30372e3779b16107fcf
Tags
themida xtremerat evasion 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

c93642f0dd5a66809fb5d714e597dfc7971cb236067bc30372e3779b16107fcf

Threat Level: Known bad

The file 51df7dd409b18c676d7b506595e09ba7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

themida xtremerat evasion persistence rat spyware upx

XtremeRAT

Detect XtremeRAT payload

UPX packed file

Themida packer

Checks BIOS information in registry

Identifies Wine through registry keys

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 06:42

Signatures

Themida packer

themida
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 06:42

Reported

2024-07-17 06:45

Platform

win7-20240704-en

Max time kernel

149s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_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

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Themida packer

themida
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

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2068 wrote to memory of 2128 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe
PID 2128 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2128 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2128 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2128 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2128 wrote to memory of 2756 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2128 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2128 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2128 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2128 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2128 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_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/2068-0-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2068-4-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2068-3-0x0000000000401000-0x000000000043A000-memory.dmp

memory/2068-5-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2128-15-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2068-14-0x0000000000401000-0x000000000043A000-memory.dmp

memory/2068-13-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2068-12-0x00000000047B0000-0x00000000048AD000-memory.dmp

memory/2128-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2128-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2068-8-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/2128-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2756-16-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2756-18-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2756-19-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 06:42

Reported

2024-07-17 06:45

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe"

Signatures

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe N/A

Themida packer

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

Processes

C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\51df7dd409b18c676d7b506595e09ba7_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/4404-0-0x0000000000400000-0x00000000004FD000-memory.dmp

memory/4404-1-0x0000000000400000-0x00000000004FD000-memory.dmp