Malware Analysis Report

2024-09-22 21:57

Sample ID 240710-2jy4jstfkp
Target 36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118
SHA256 f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836
Tags
bitrat persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

f5eda9a11a961ca4187041b721c9d094e85c3f59302ef9ec36969bdf25d33836

Threat Level: Known bad

The file 36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

bitrat persistence trojan

BitRAT

Core1 .NET packer

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-10 22:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 22:37

Reported

2024-07-10 22:39

Platform

win7-20240708-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe"

Signatures

BitRAT

trojan bitrat

Core1 .NET packer

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\System.exe = "C:\\Users\\Admin\\AppData\\Local\\System.exe" C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2264 set thread context of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 2264 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.exe"

Network

Country Destination Domain Proto
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp

Files

memory/2264-0-0x000007FEF5543000-0x000007FEF5544000-memory.dmp

memory/2264-1-0x000000013F3E0000-0x000000013F7D0000-memory.dmp

memory/2264-2-0x000000001D680000-0x000000001DA5E000-memory.dmp

memory/2264-3-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

memory/2264-4-0x000000001E9C0000-0x000000001ED8D000-memory.dmp

memory/2264-5-0x0000000000930000-0x0000000000946000-memory.dmp

memory/2264-6-0x0000000000950000-0x0000000000954000-memory.dmp

memory/2852-7-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-13-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-8-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-9-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-18-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-16-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2852-14-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-12-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-10-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2264-20-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

memory/2852-21-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-22-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-28-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-29-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-30-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-31-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-32-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-34-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-33-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-35-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2852-36-0x0000000000400000-0x00000000007CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 22:37

Reported

2024-07-10 22:39

Platform

win10v2004-20240709-en

Max time kernel

144s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe"

Signatures

BitRAT

trojan bitrat

Core1 .NET packer

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System.exe = "C:\\Users\\Admin\\AppData\\Local\\System.exe" C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1344 set thread context of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWow64\svchost.exe N/A
N/A N/A C:\Windows\SysWow64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe
PID 1344 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe C:\Windows\SysWow64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\36ad3cbe63b2b704928c330a10f014cb_JaffaCakes118.exe"

C:\Windows\SysWow64\svchost.exe

"C:\\Windows\\SysWow64\\svchost.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 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 2.56.212.226:1995 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
NL 2.56.212.226:1995 tcp
NL 2.56.212.226:1995 tcp

Files

memory/1344-0-0x00007FF81C983000-0x00007FF81C985000-memory.dmp

memory/1344-1-0x0000000000480000-0x0000000000870000-memory.dmp

memory/1344-2-0x000000001D740000-0x000000001DB1E000-memory.dmp

memory/1344-3-0x00007FF81C980000-0x00007FF81D441000-memory.dmp

memory/1344-4-0x0000000020460000-0x000000002082D000-memory.dmp

memory/1344-5-0x00000000033F0000-0x0000000003406000-memory.dmp

memory/1344-6-0x0000000003410000-0x0000000003414000-memory.dmp

memory/2908-7-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-10-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/1344-13-0x00007FF81C980000-0x00007FF81D441000-memory.dmp

memory/2908-12-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-11-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-14-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-15-0x0000000074300000-0x0000000074339000-memory.dmp

memory/2908-16-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-22-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-23-0x00000000746A0000-0x00000000746D9000-memory.dmp

memory/2908-24-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-25-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-26-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-27-0x00000000746A0000-0x00000000746D9000-memory.dmp

memory/2908-28-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-29-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-30-0x00000000746A0000-0x00000000746D9000-memory.dmp

memory/2908-31-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-32-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-33-0x00000000746A0000-0x00000000746D9000-memory.dmp

memory/2908-34-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-35-0x0000000000400000-0x00000000007CD000-memory.dmp

memory/2908-36-0x00000000746A0000-0x00000000746D9000-memory.dmp