Malware Analysis Report

2025-04-13 10:43

Sample ID 231230-bb2llagdc8
Target 0951e0d47ebe1b1800d5328d31d27277
SHA256 a9281b082b6a93be2a647fe04c54af6d3cf3bab6673d19ad6354bb3b60404fea
Tags
xloader ajs8 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

a9281b082b6a93be2a647fe04c54af6d3cf3bab6673d19ad6354bb3b60404fea

Threat Level: Known bad

The file 0951e0d47ebe1b1800d5328d31d27277 was found to be: Known bad.

Malicious Activity Summary

xloader ajs8 loader rat

Xloader

Xloader payload

CustAttr .NET packer

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-30 00:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 00:59

Reported

2023-12-31 00:03

Platform

win7-20231215-en

Max time kernel

122s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

Signatures

Xloader

loader xloader

CustAttr .NET packer

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

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2164 set thread context of 112 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

Network

N/A

Files

memory/2164-0-0x00000000012D0000-0x00000000013D8000-memory.dmp

memory/2164-1-0x0000000073F00000-0x00000000745EE000-memory.dmp

memory/2164-2-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

memory/2164-3-0x0000000000410000-0x0000000000422000-memory.dmp

memory/2164-4-0x0000000073F00000-0x00000000745EE000-memory.dmp

memory/2164-5-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

memory/2164-6-0x0000000005890000-0x000000000592E000-memory.dmp

memory/2164-7-0x0000000000B20000-0x0000000000B4E000-memory.dmp

memory/112-8-0x0000000000400000-0x0000000000429000-memory.dmp

memory/112-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/112-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/112-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2164-13-0x0000000073F00000-0x00000000745EE000-memory.dmp

memory/112-14-0x0000000000840000-0x0000000000B43000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 00:59

Reported

2023-12-31 00:04

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

176s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

Signatures

Xloader

loader xloader

CustAttr .NET packer

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

Xloader payload

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2448 set thread context of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2448 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 4360 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe
PID 2448 wrote to memory of 5084 N/A C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

Processes

C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe

"C:\Users\Admin\AppData\Local\Temp\0951e0d47ebe1b1800d5328d31d27277.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 214.80.50.20.in-addr.arpa udp

Files

memory/2448-0-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/2448-1-0x0000000000A70000-0x0000000000B78000-memory.dmp

memory/2448-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

memory/2448-3-0x0000000005610000-0x00000000056A2000-memory.dmp

memory/2448-4-0x00000000056B0000-0x000000000574C000-memory.dmp

memory/2448-5-0x0000000005860000-0x0000000005870000-memory.dmp

memory/2448-6-0x0000000005580000-0x000000000558A000-memory.dmp

memory/2448-7-0x00000000057D0000-0x00000000057E2000-memory.dmp

memory/2448-8-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/2448-9-0x0000000005860000-0x0000000005870000-memory.dmp

memory/2448-10-0x0000000006BB0000-0x0000000006C4E000-memory.dmp

memory/2448-11-0x0000000009390000-0x00000000093BE000-memory.dmp

memory/5084-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2448-14-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/5084-15-0x0000000001920000-0x0000000001C6A000-memory.dmp