Malware Analysis Report

2024-10-23 17:02

Sample ID 240401-b3kgdsaa4y
Target 6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118
SHA256 96c57ae661562e958e01bb0b490c09a0a51bb367931620223174963de88bdfcb
Tags
xloader ef6c loader rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

96c57ae661562e958e01bb0b490c09a0a51bb367931620223174963de88bdfcb

Threat Level: Known bad

The file 6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader ef6c loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-01 01:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-01 01:40

Reported

2024-04-01 01:42

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2420 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2616 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe
PID 2420 wrote to memory of 2468 N/A C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

Network

N/A

Files

memory/2420-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2420-0-0x0000000000390000-0x000000000040A000-memory.dmp

memory/2420-2-0x0000000004BF0000-0x0000000004C30000-memory.dmp

memory/2420-3-0x0000000000510000-0x000000000051A000-memory.dmp

memory/2420-4-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2420-5-0x0000000004BF0000-0x0000000004C30000-memory.dmp

memory/2420-6-0x0000000004B70000-0x0000000004BC2000-memory.dmp

memory/2420-7-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-01 01:40

Reported

2024-04-01 01:42

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\6429aa83e4bc083b4f0b3f44b0d7950f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 19.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.227.13:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/4972-0-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4972-1-0x0000000000C60000-0x0000000000CDA000-memory.dmp

memory/4972-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

memory/4972-3-0x0000000005800000-0x0000000005986000-memory.dmp

memory/4972-4-0x0000000005710000-0x00000000057A2000-memory.dmp

memory/4972-5-0x0000000005630000-0x0000000005640000-memory.dmp

memory/4972-6-0x00000000056C0000-0x00000000056CA000-memory.dmp

memory/4972-7-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

memory/4972-8-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/4972-9-0x0000000005630000-0x0000000005640000-memory.dmp

memory/4972-10-0x0000000006ED0000-0x0000000006F6C000-memory.dmp

memory/4972-11-0x0000000006F70000-0x0000000006FC2000-memory.dmp

memory/3508-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4972-14-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/3508-15-0x0000000001280000-0x00000000015CA000-memory.dmp