Malware Analysis Report

2024-11-13 18:41

Sample ID 240712-jk984avamp
Target 3c86a83b901a641312995646344e53ee_JaffaCakes118
SHA256 90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c
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

90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c

Threat Level: Known bad

The file 3c86a83b901a641312995646344e53ee_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

XtremeRAT

Detect XtremeRAT payload

Boot or Logon Autostart Execution: Active Setup

UPX packed file

Adds Run key to start application

Drops file in System32 directory

Suspicious use of SetThreadContext

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 07:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-12 07:44

Reported

2024-07-12 07:47

Platform

win7-20240705-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_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\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N} C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.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\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\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\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.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\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2776 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 2928 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2928 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2928 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2928 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2928 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2928 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2928 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2928 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2928 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 2928 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 eminn115.zapto.org udp

Files

memory/2928-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2928-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2696-14-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2928-18-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2620-17-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2620-21-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2620-20-0x0000000010000000-0x000000001004D000-memory.dmp

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

MD5 3c86a83b901a641312995646344e53ee
SHA1 a08ef7325e84096681985fe5d335c8ddc03774fd
SHA256 90c4738f5ae5712cd9db758cbca2653703737020ab270e0c7be3b66a99bcad5c
SHA512 73b5258297d4c381a79c91894a3e8fc39902825d4ed4ae1e0d24b898d2814bc3b033b4c9055b1314e68950fc93df3b7386fc99c489319cfaba2f7ce8cdb7aac7

memory/2696-23-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2620-24-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-12 07:44

Reported

2024-07-12 07:47

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_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\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N}\StubPath = "C:\\Windows\\system32\\InstallDir\\svchost.exe restart" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{CI4KWQ8U-684P-0W58-UL84-IAJ80Q274J8N} C:\Windows\SysWOW64\explorer.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\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\svchost.exe" C:\Windows\SysWOW64\explorer.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.exe N/A
File opened for modification C:\Windows\SysWOW64\InstallDir\svchost.exe C:\Windows\SysWOW64\explorer.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\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 5052 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe
PID 4516 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4516 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4516 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4516 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 4516 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 4516 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 4516 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe
PID 4516 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3c86a83b901a641312995646344e53ee_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\explorer.exe

explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1544 -ip 1544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1544 -ip 1544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 488

Network

Country Destination Domain Proto
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
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
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp
US 8.8.8.8:53 eminn115.zapto.org udp

Files

memory/4516-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4516-4-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4516-5-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4516-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1544-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2660-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4516-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2660-11-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1544-12-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2660-13-0x0000000010000000-0x000000001004D000-memory.dmp