Malware Analysis Report

2024-10-19 02:22

Sample ID 240403-b2xqbscb2y
Target 9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118
SHA256 784425a3324d90d5d4028f545c946ac1b39eacd8875f6f182417e9e8621a5e0a
Tags
xloader bkqi 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

784425a3324d90d5d4028f545c946ac1b39eacd8875f6f182417e9e8621a5e0a

Threat Level: Known bad

The file 9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader bkqi loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-03 01:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-03 01:38

Reported

2024-04-03 01:41

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2704 wrote to memory of 2484 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe
PID 2484 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2484 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2484 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2484 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 36

Network

N/A

Files

memory/2704-0-0x0000000000060000-0x00000000000DE000-memory.dmp

memory/2704-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

memory/2704-2-0x0000000007100000-0x0000000007140000-memory.dmp

memory/2704-3-0x0000000000610000-0x000000000061E000-memory.dmp

memory/2704-4-0x0000000074700000-0x0000000074DEE000-memory.dmp

memory/2704-5-0x0000000007100000-0x0000000007140000-memory.dmp

memory/2704-6-0x0000000004800000-0x0000000004852000-memory.dmp

memory/2484-7-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2484-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2484-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2484-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2704-13-0x0000000074700000-0x0000000074DEE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-03 01:38

Reported

2024-04-03 01:41

Platform

win10v2004-20231215-en

Max time kernel

89s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_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\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9c990c091e85d7c7530e8b3c3e1631f9_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 23.44.234.16:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 152.33.115.104.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3736-0-0x0000000000530000-0x00000000005AE000-memory.dmp

memory/3736-1-0x0000000074760000-0x0000000074F10000-memory.dmp

memory/3736-2-0x00000000078E0000-0x0000000007E84000-memory.dmp

memory/3736-3-0x0000000007420000-0x00000000074B2000-memory.dmp

memory/3736-4-0x00000000073E0000-0x00000000073F0000-memory.dmp

memory/3736-5-0x00000000074F0000-0x00000000074FA000-memory.dmp

memory/3736-6-0x00000000049B0000-0x00000000049BE000-memory.dmp

memory/3736-7-0x0000000074760000-0x0000000074F10000-memory.dmp

memory/3736-8-0x00000000073E0000-0x00000000073F0000-memory.dmp

memory/3736-9-0x000000000C7A0000-0x000000000C83C000-memory.dmp

memory/3736-10-0x000000000C890000-0x000000000C8E2000-memory.dmp

memory/4712-11-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3736-13-0x0000000074760000-0x0000000074F10000-memory.dmp

memory/4712-14-0x0000000001230000-0x000000000157A000-memory.dmp

memory/4712-15-0x0000000001230000-0x000000000157A000-memory.dmp