Malware Analysis Report

2024-12-07 21:57

Sample ID 240716-t87g8avakh
Target 4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118
SHA256 6e83543748adff57311fd6468f8d7fda186d5ccd787d233c0af1298515e89a81
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

6e83543748adff57311fd6468f8d7fda186d5ccd787d233c0af1298515e89a81

Threat Level: Known bad

The file 4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-16 16:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 16:44

Reported

2024-07-16 16:47

Platform

win7-20240708-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_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
N/A N/A N/A N/A

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rari.exe" C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2352 set thread context of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2352 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

Network

N/A

Files

memory/2352-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

memory/2352-1-0x0000000000260000-0x0000000000284000-memory.dmp

memory/2352-2-0x0000000000350000-0x000000000035A000-memory.dmp

\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 4f3162d9a5ec91d2a30839eff5e6b7c7
SHA1 6585f04ca819ad43449700d96cf550fe9fdd6f5e
SHA256 6e83543748adff57311fd6468f8d7fda186d5ccd787d233c0af1298515e89a81
SHA512 dfbad33f24c5afbd4c20de1f99d3cd9ba1cf0fc1944e4ed2c2299900997abb3274ae1a21c84358a916379b44efea0272818ee29041a3b79a55d8e198d806178c

memory/2220-7-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2220-16-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-13-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-12-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-11-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-10-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

memory/2220-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 16:44

Reported

2024-07-16 16:47

Platform

win10v2004-20240709-en

Max time kernel

139s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Startup Key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rari.exe" C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4148 set thread context of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 4148 wrote to memory of 1532 N/A C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4f3162d9a5ec91d2a30839eff5e6b7c7_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\svchost.exe

C:\Users\Admin\AppData\Local\Temp\\svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1532 -ip 1532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 12

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 216.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 203.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

memory/4148-0-0x000000007523E000-0x000000007523F000-memory.dmp

memory/4148-1-0x0000000000C50000-0x0000000000C74000-memory.dmp

memory/4148-2-0x00000000055B0000-0x000000000564C000-memory.dmp

memory/4148-3-0x0000000005590000-0x000000000559A000-memory.dmp

memory/1532-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 4f3162d9a5ec91d2a30839eff5e6b7c7
SHA1 6585f04ca819ad43449700d96cf550fe9fdd6f5e
SHA256 6e83543748adff57311fd6468f8d7fda186d5ccd787d233c0af1298515e89a81
SHA512 dfbad33f24c5afbd4c20de1f99d3cd9ba1cf0fc1944e4ed2c2299900997abb3274ae1a21c84358a916379b44efea0272818ee29041a3b79a55d8e198d806178c