Malware Analysis Report

2024-12-07 21:21

Sample ID 240716-v7l1kawdmh
Target 4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118
SHA256 c3155e01f959d88725abe33533eda8e5c560b18c8a4ed3f49b5ac4aee67d80b7
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

c3155e01f959d88725abe33533eda8e5c560b18c8a4ed3f49b5ac4aee67d80b7

Threat Level: Known bad

The file 4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Xtremerat family

Boot or Logon Autostart Execution: Active Setup

UPX packed file

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 17:37

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 17:37

Reported

2024-07-16 17:40

Platform

win7-20240704-en

Max time kernel

146s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_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

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631} C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
File opened for modification C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1628 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1628 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1628 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1628 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1628 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 1628 wrote to memory of 2404 N/A C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 mr2010.no-ip.org udp

Files

memory/1628-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2896-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

C:\Windows\InstallDir\Server.exe

MD5 4f5e89e28fc5bca7851aa5c72b86be67
SHA1 4aff3048d15ac77e9217509eb42726668cb41491
SHA256 c3155e01f959d88725abe33533eda8e5c560b18c8a4ed3f49b5ac4aee67d80b7
SHA512 eafb4a29629092b7582c4621164b61f7420ba98369f2eef31b5fabdaaee7362675769e451872ee4ee9a15d1a01d3e4006697f5ea2708be0618956c8ccd8b5eae

memory/2896-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2404-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/1628-11-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2404-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 17:37

Reported

2024-07-16 17:40

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_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

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631} C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{340331OF-5454-GXI1-8LC0-RH8SGT247631} C:\Windows\SysWOW64\svchost.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

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A
File created C:\Windows\InstallDir\Server.exe C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f5e89e28fc5bca7851aa5c72b86be67_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 mr2010.no-ip.org udp
US 8.8.8.8:53 233.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.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

Files

memory/3616-0-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2100-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

C:\Windows\InstallDir\Server.exe

MD5 4f5e89e28fc5bca7851aa5c72b86be67
SHA1 4aff3048d15ac77e9217509eb42726668cb41491
SHA256 c3155e01f959d88725abe33533eda8e5c560b18c8a4ed3f49b5ac4aee67d80b7
SHA512 eafb4a29629092b7582c4621164b61f7420ba98369f2eef31b5fabdaaee7362675769e451872ee4ee9a15d1a01d3e4006697f5ea2708be0618956c8ccd8b5eae

memory/3500-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/3616-7-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/3500-9-0x0000000000C80000-0x0000000000C96000-memory.dmp