Malware Analysis Report

2024-11-13 18:40

Sample ID 240712-dlekxswcnr
Target 3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118
SHA256 87a5211333b8823306012b02704e966ea04b2b34fbdf741f7a9f393b443c9d94
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

87a5211333b8823306012b02704e966ea04b2b34fbdf741f7a9f393b443c9d94

Threat Level: Known bad

The file 3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

XtremeRAT

Detect XtremeRAT payload

Xtremerat family

Boot or Logon Autostart Execution: Active Setup

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-12 03:05

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 03:05

Reported

2024-07-12 03:08

Platform

win7-20240704-en

Max time kernel

146s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_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\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe restart" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" 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\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 588 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 588 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp

Files

memory/2732-3-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2732-5-0x0000000000C80000-0x0000000000C92000-memory.dmp

C:\Users\Admin\AppData\Roaming\InstallDaa\meror.exe

MD5 3bc3fd575a6d7fa2a8273c7493beb1d9
SHA1 33ccb6d7beabdccaa1fe475b291f47ae36e311f3
SHA256 87a5211333b8823306012b02704e966ea04b2b34fbdf741f7a9f393b443c9d94
SHA512 ce600e8036655eb2ba7ff71b00780377a59f26fcbc4fdda8d76435cfa8a744bde11fae37355f17603bf6d03752783493999067b44fad14f5adc37bc255cffd09

memory/2692-9-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/588-10-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/2692-12-0x0000000000C80000-0x0000000000C92000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 03:05

Reported

2024-07-12 03:08

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_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\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2} C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe restart" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.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\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\InstallDaa\\meror.exe" C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.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\3bc3fd575a6d7fa2a8273c7493beb1d9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3bc3fd575a6d7fa2a8273c7493beb1d9_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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
US 8.8.8.8:53 93.65.42.20.in-addr.arpa udp
N/A 127.0.0.1:81 tcp

Files

memory/3208-3-0x0000000000C80000-0x0000000000C92000-memory.dmp

C:\Users\Admin\AppData\Roaming\InstallDaa\meror.exe

MD5 3bc3fd575a6d7fa2a8273c7493beb1d9
SHA1 33ccb6d7beabdccaa1fe475b291f47ae36e311f3
SHA256 87a5211333b8823306012b02704e966ea04b2b34fbdf741f7a9f393b443c9d94
SHA512 ce600e8036655eb2ba7ff71b00780377a59f26fcbc4fdda8d76435cfa8a744bde11fae37355f17603bf6d03752783493999067b44fad14f5adc37bc255cffd09

memory/5004-5-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/3088-6-0x0000000000C80000-0x0000000000C92000-memory.dmp

memory/5004-8-0x0000000000C80000-0x0000000000C92000-memory.dmp