Malware Analysis Report

2024-10-19 02:16

Sample ID 241009-aewn3s1gkl
Target 277b8bac14e09015d53ad66c97e272a0_JaffaCakes118
SHA256 45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
Tags
xloader udew discovery loader rat
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

45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0

Threat Level: Known bad

The file 277b8bac14e09015d53ad66c97e272a0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader udew discovery loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-09 00:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-09 00:08

Reported

2024-10-09 07:03

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe
PID 2356 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

Network

N/A

Files

memory/2356-3-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2356-2-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2356-1-0x0000000000AF0000-0x0000000000C44000-memory.dmp

memory/2356-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/2356-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/2356-5-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2356-6-0x0000000005740000-0x00000000057DE000-memory.dmp

memory/2356-7-0x0000000000A90000-0x0000000000ABE000-memory.dmp

memory/2612-9-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2612-15-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2612-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2612-10-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2356-16-0x0000000074B20000-0x000000007520E000-memory.dmp

memory/2612-17-0x0000000000C50000-0x0000000000F53000-memory.dmp

memory/2612-18-0x0000000000C50000-0x0000000000F53000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-09 00:08

Reported

2024-10-09 07:03

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277b8bac14e09015d53ad66c97e272a0_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4280-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

memory/4280-1-0x0000000000F70000-0x00000000010C4000-memory.dmp

memory/4280-2-0x0000000005E30000-0x00000000063D4000-memory.dmp

memory/4280-3-0x0000000005960000-0x00000000059F2000-memory.dmp

memory/4280-4-0x0000000005950000-0x000000000595A000-memory.dmp

memory/4280-5-0x0000000074F10000-0x00000000756C0000-memory.dmp

memory/4280-6-0x0000000007010000-0x00000000070AC000-memory.dmp

memory/4280-7-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

memory/4280-8-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

memory/4280-9-0x0000000074F10000-0x00000000756C0000-memory.dmp

memory/4280-10-0x0000000006F70000-0x000000000700E000-memory.dmp

memory/4280-11-0x0000000009770000-0x000000000979E000-memory.dmp

memory/716-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4280-14-0x0000000074F10000-0x00000000756C0000-memory.dmp

memory/716-15-0x00000000013C0000-0x000000000170A000-memory.dmp