Malware Analysis Report

2024-12-07 22:03

Sample ID 240716-a1q1qazdkh
Target 4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118
SHA256 0a4f2dddb3cf537bef5fe6d2c5211642797eba1db13d34e647e7bfc2bb062199
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

0a4f2dddb3cf537bef5fe6d2c5211642797eba1db13d34e647e7bfc2bb062199

Threat Level: Known bad

The file 4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

UPX packed file

Adds Run key to start application

Suspicious use of SetThreadContext

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 00:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 00:41

Reported

2024-07-16 00:43

Platform

win7-20240704-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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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\{16F5A804-1L00-X085-DN4S-4X47AXO17W65} C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{16F5A804-1L00-X085-DN4S-4X47AXO17W65}\StubPath = "C:\\Windows\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\notepad.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{16F5A804-1L00-X085-DN4S-4X47AXO17W65} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{16F5A804-1L00-X085-DN4S-4X47AXO17W65}\StubPath = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\InstallDir\Server.exe C:\Windows\SysWOW64\notepad.exe N/A
File opened for modification C:\Windows\InstallDir\ C:\Windows\SysWOW64\notepad.exe N/A
File opened for modification C:\Windows\InstallDir\Server.exe C:\Windows\SysWOW64\notepad.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\notepad.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2568 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2356 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2356 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2356 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2356 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2356 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2356 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\notepad.exe

notepad.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 naruto050.no-ip.info udp

Files

memory/2356-2-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2356-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2356-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2356-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/996-9-0x0000000010000000-0x000000001004A000-memory.dmp

memory/996-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2040-12-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2356-13-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2040-15-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2040-17-0x0000000010000000-0x000000001004A000-memory.dmp

C:\Windows\InstallDir\Server.exe

MD5 4c1a8dd2a4575212568b797f6713deb6
SHA1 68dcfb809501f730e9dd781f1688c42ec594b034
SHA256 0a4f2dddb3cf537bef5fe6d2c5211642797eba1db13d34e647e7bfc2bb062199
SHA512 061ad920119da31288192b5dad27c243b84acd8d246660605da7557e835f1746ca52e3bfc325ea5008ffcd6b0bb71ee1d825cfebe60870f06939689b9551d929

memory/996-19-0x0000000010000000-0x000000001004A000-memory.dmp

memory/2040-20-0x0000000010000000-0x000000001004A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 00:41

Reported

2024-07-16 00:43

Platform

win10v2004-20240709-en

Max time kernel

93s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
Description Indicator Process Target
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Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 2020 wrote to memory of 3856 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe
PID 3856 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3856 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3856 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3856 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 3856 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3856 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3856 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 3856 wrote to memory of 3948 N/A C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4c1a8dd2a4575212568b797f6713deb6_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\notepad.exe

notepad.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1692 -ip 1692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3948 -ip 3948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1692 -ip 1692

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3948 -ip 3948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 492

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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

Files

memory/3856-2-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3856-4-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3856-5-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3856-6-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1692-7-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3948-8-0x0000000010000000-0x000000001004A000-memory.dmp

memory/3856-9-0x0000000010000000-0x000000001004A000-memory.dmp

memory/1692-11-0x0000000010000000-0x000000001004A000-memory.dmp