Malware Analysis Report

2024-12-07 22:01

Sample ID 240717-ad953swhpl
Target 50a5c739ce813ffd001ccf029bca129c_JaffaCakes118
SHA256 b02a3881dd99b89e865f43f50fb1436de3c60e6218fc50e91464c8ada5efd47f
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

b02a3881dd99b89e865f43f50fb1436de3c60e6218fc50e91464c8ada5efd47f

Threat Level: Known bad

The file 50a5c739ce813ffd001ccf029bca129c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

Loads dropped DLL

UPX packed file

Checks computer location settings

Executes dropped EXE

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 00:06

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

2024-07-17 00:06

Reported

2024-07-17 00:09

Platform

win7-20240704-en

Max time kernel

150s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\740ducsetup.exe 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
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\740ducsetup.exe.exe C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\740ducsetup.exe C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\740ducsetup.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2948 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2948 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2948 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2948 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2948 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2948 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2948 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2948 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2948 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2948 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 2948 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe

Processes

C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

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

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

C:\Windows\SysWOW64\740ducsetup.exe

"C:\Windows\system32\740ducsetup.exe"

Network

N/A

Files

memory/2948-0-0x0000000010000000-0x0000000010150000-memory.dmp

memory/2396-1-0x0000000010000000-0x0000000010150000-memory.dmp

memory/2396-3-0x0000000010000000-0x0000000010150000-memory.dmp

\Windows\SysWOW64\740ducsetup.exe

MD5 43d3cc91d2078ef1b99c913cb9cfe921
SHA1 63f2655f8852a3341b0b1c8c8ecbea933dc7f25d
SHA256 f46b22b0f4e301123e9901d42a32e3ececa1d7839e99a5af6d6470ee45f15651
SHA512 62db61c009dd036c73c2bcba64d54bb48facac8d0706cbcb91e9125d2618d8d4f89a8175421105767aa5df9621264a5dc3d55b15d54ad88473f25375c75c2eac

memory/2948-9-0x00000000029D0000-0x0000000002BA7000-memory.dmp

memory/2948-13-0x0000000010000000-0x0000000010150000-memory.dmp

memory/2216-20-0x0000000000B60000-0x0000000000D37000-memory.dmp

memory/2216-19-0x0000000000B60000-0x0000000000D37000-memory.dmp

memory/2216-18-0x0000000000B60000-0x0000000000D37000-memory.dmp

memory/2216-21-0x0000000000400000-0x00000000005D7000-memory.dmp

memory/2396-22-0x0000000010000000-0x0000000010150000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 00:06

Reported

2024-07-17 00:09

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_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 computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\740ducsetup.exe 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
N/A N/A N/A N/A
N/A N/A N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\740ducsetup.exe.exe C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\740ducsetup.exe C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4480 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4480 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4480 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4480 wrote to memory of 4148 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4480 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4480 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4480 wrote to memory of 4048 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 4480 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 4480 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe
PID 4480 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe C:\Windows\SysWOW64\740ducsetup.exe

Processes

C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\50a5c739ce813ffd001ccf029bca129c_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 408 -p 4148 -ip 4148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 480

C:\Windows\SysWOW64\740ducsetup.exe

"C:\Windows\system32\740ducsetup.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4148 -ip 4148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 500

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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

Files

memory/4480-0-0x0000000010000000-0x0000000010150000-memory.dmp

memory/4148-1-0x0000000010000000-0x0000000010150000-memory.dmp

C:\Windows\SysWOW64\740ducsetup.exe

MD5 43d3cc91d2078ef1b99c913cb9cfe921
SHA1 63f2655f8852a3341b0b1c8c8ecbea933dc7f25d
SHA256 f46b22b0f4e301123e9901d42a32e3ececa1d7839e99a5af6d6470ee45f15651
SHA512 62db61c009dd036c73c2bcba64d54bb48facac8d0706cbcb91e9125d2618d8d4f89a8175421105767aa5df9621264a5dc3d55b15d54ad88473f25375c75c2eac

memory/4480-15-0x0000000010000000-0x0000000010150000-memory.dmp

memory/4848-16-0x0000000000400000-0x00000000005D7000-memory.dmp

memory/4848-17-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/4148-19-0x0000000010000000-0x0000000010150000-memory.dmp

memory/4848-20-0x0000000000400000-0x00000000005D7000-memory.dmp

memory/4848-22-0x00000000024A0000-0x00000000024A1000-memory.dmp