Malware Analysis Report

2025-04-13 10:57

Sample ID 231225-gjsasahgcr
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

CustAttr .NET packer

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-25 05:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 05:50

Reported

2023-12-25 16:46

Platform

win7-20231215-en

Max time kernel

118s

Max time network

121s

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 2408 set thread context of 2628 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/2408-0-0x0000000000910000-0x0000000000A18000-memory.dmp

memory/2408-1-0x0000000074620000-0x0000000074D0E000-memory.dmp

memory/2408-2-0x0000000004E80000-0x0000000004EC0000-memory.dmp

memory/2408-3-0x0000000000310000-0x0000000000322000-memory.dmp

memory/2408-4-0x0000000074620000-0x0000000074D0E000-memory.dmp

memory/2408-5-0x0000000004E80000-0x0000000004EC0000-memory.dmp

memory/2408-6-0x0000000005B30000-0x0000000005BCE000-memory.dmp

memory/2408-7-0x0000000000720000-0x000000000074E000-memory.dmp

memory/2628-8-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2628-10-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2628-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2628-14-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2408-15-0x0000000074620000-0x0000000074D0E000-memory.dmp

memory/2628-16-0x0000000000A20000-0x0000000000D23000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 05:50

Reported

2023-12-25 16:45

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

141s

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 3180 set thread context of 4256 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"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 202.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 udp
US 93.184.221.240:80 tcp
GB 96.17.179.32:80 tcp
GB 96.16.110.114:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
GB 96.17.179.32:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 55.179.17.96.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

Files

memory/3180-1-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/3180-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

memory/3180-4-0x0000000004FD0000-0x000000000506C000-memory.dmp

memory/3180-5-0x0000000005260000-0x0000000005270000-memory.dmp

memory/3180-6-0x00000000050A0000-0x00000000050AA000-memory.dmp

memory/3180-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

memory/3180-0-0x0000000000490000-0x0000000000598000-memory.dmp

memory/3180-7-0x0000000005170000-0x0000000005182000-memory.dmp

memory/3180-8-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/3180-9-0x0000000005260000-0x0000000005270000-memory.dmp

memory/3180-10-0x0000000006440000-0x00000000064DE000-memory.dmp

memory/4256-12-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4256-15-0x00000000015E0000-0x000000000192A000-memory.dmp

memory/3180-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

memory/3180-11-0x00000000064F0000-0x000000000651E000-memory.dmp

memory/4256-16-0x00000000015E0000-0x000000000192A000-memory.dmp