Malware Analysis Report

2024-11-13 18:40

Sample ID 240712-kyq8tayfna
Target 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118
SHA256 a6d00d859928739fd6d476c1ba753d14d86ebc19a357292ea0b2fbe972f94c2b
Tags
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

a6d00d859928739fd6d476c1ba753d14d86ebc19a357292ea0b2fbe972f94c2b

Threat Level: Known bad

The file 3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

Xtremerat family

XtremeRAT

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 09:00

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 09:00

Reported

2024-07-12 09:03

Platform

win7-20240708-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_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
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W}\StubPath = "C:\\Windows\\system32\\system32\\svchost.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W}\StubPath = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W} C:\Windows\SysWOW64\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\msnmsgr = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\msnmsgr = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\system32\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\system32\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\system32\ C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2652 wrote to memory of 2800 N/A C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

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

Files

memory/2684-1-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2684-2-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2652-6-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2800-5-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2800-9-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2800-10-0x0000000010000000-0x0000000010052000-memory.dmp

C:\Windows\SysWOW64\system32\svchost.exe

MD5 3cbcf0bd6e2a578efa94fa2c13725229
SHA1 cd3b8ba3ad62d70716077b53112b60ce8c46db0f
SHA256 a6d00d859928739fd6d476c1ba753d14d86ebc19a357292ea0b2fbe972f94c2b
SHA512 9bcffbd762be422f64cf384220cfff1609dad778ac67d6756ee45ec420989bdf3b636576dc3a6eb41f5965ab02035263b3cec0a53ed478a254e366b7abaee7a9

memory/2684-12-0x0000000010000000-0x0000000010052000-memory.dmp

memory/2800-13-0x0000000010000000-0x0000000010052000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 09:00

Reported

2024-07-12 09:03

Platform

win10v2004-20240709-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_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\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{U70816AF-W2S2-2834-2C24-DDY4BGPB1Q3W}\StubPath = "C:\\Windows\\system32\\system32\\svchost.exe restart" C:\Windows\SysWOW64\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msnmsgr = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Messenger = "C:\\Windows\\system32\\system32\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\system32\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\system32\ C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\system32\svchost.exe C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3892 -ip 3892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4284 -ip 4284

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3892 -ip 3892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4284 -ip 4284

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 988

Network

Country Destination Domain Proto
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 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.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 8.8.8.8:53 183.59.114.20.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 52.111.227.13:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/3892-0-0x0000000010000000-0x0000000010052000-memory.dmp

memory/4284-1-0x0000000010000000-0x0000000010052000-memory.dmp

memory/4664-2-0x0000000010000000-0x0000000010052000-memory.dmp

memory/4284-5-0x0000000010000000-0x0000000010052000-memory.dmp

memory/4284-6-0x0000000010000000-0x0000000010052000-memory.dmp

memory/3892-8-0x0000000010000000-0x0000000010052000-memory.dmp

memory/4284-9-0x0000000010000000-0x0000000010052000-memory.dmp