Malware Analysis Report

2025-06-16 01:06

Sample ID 221123-1zrtqsbf8t
Target c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781
SHA256 c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781
Tags
xtremerat persistence rat spyware upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781

Threat Level: Known bad

The file c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

UPX packed file

Drops file in System32 directory

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

NTFS ADS

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-23 22:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-23 22:05

Reported

2022-11-24 01:18

Platform

win7-20221111-en

Max time kernel

203s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"

Signatures

Detect XtremeRAT payload

Description Indicator Process Target
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XtremeRAT

persistence spyware rat xtremerat

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\531images.jpg C:\Windows\SysWOW64\DllHost.exe N/A
File created C:\Windows\SysWOW64\531images.jpg.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\Windows\SysWOW64\531images.jpg C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\ProgramData:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\ProgramData\DYA_PPHDTFHSLSSKOHJCD\1.0.0:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\Users\Public\Desktop:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\DllHost.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2044 wrote to memory of 2024 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 2024 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 2024 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 2024 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 2024 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 2024 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 2024 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2024 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2024 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2024 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files\Internet Explorer\iexplore.exe
PID 2024 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe

"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"

C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files\Internet Explorer\iexplore.exe

"C:\Program Files\Internet Explorer\iexplore.exe"

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

Network

N/A

Files

memory/2044-54-0x0000000076691000-0x0000000076693000-memory.dmp

memory/2044-55-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/2044-56-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/2044-57-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/2024-60-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-61-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-63-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-64-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-65-0x000000001004E0B0-mapping.dmp

memory/2024-69-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2044-68-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/2024-70-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-72-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/2024-71-0x0000000010000000-0x0000000010050000-memory.dmp

memory/520-75-0x0000000000000000-mapping.dmp

memory/520-77-0x0000000010000000-0x0000000010050000-memory.dmp

memory/2024-79-0x0000000010000000-0x0000000010050000-memory.dmp

memory/520-80-0x0000000010000000-0x0000000010050000-memory.dmp

C:\Windows\SysWOW64\531images.jpg

MD5 7ca7c0fe6ec8dfab1bfd88898c6c5393
SHA1 017338f40cf8ed6c67597dd905454d73c70cb10a
SHA256 5c4d63786705827d9450afef145e96cda8ce854d98cf5598cf28409fdbf26e94
SHA512 b18f2b458b4ffd24537350f894aeeaa67f474eab7c340a50ea1ebf4499a8cc4dfcf79c5c18e350495e5a93bad5cac97bdc7b8e2bb0bceb17d9eb83dba3ec990a

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-23 22:05

Reported

2022-11-24 01:17

Platform

win10v2004-20220812-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"

Signatures

Detect XtremeRAT payload

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

persistence spyware rat xtremerat

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
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Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\531images.jpg.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\Windows\SysWOW64\531images.jpg C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Enumerates physical storage devices

NTFS ADS

Description Indicator Process Target
File created C:\ProgramData:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\ProgramData\DYA_PPHDTFHSLSSKOHJCD\1.0.0:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A
File created C:\Users\Public\Desktop:$SS_DESCRIPTOR_SBXNV9VVGV1BFP8GTV1HBABGTVL64MF9MC9TJMJFSVF7VBCVPJGV C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 5048 wrote to memory of 1516 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe
PID 1516 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 1516 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 1516 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 1516 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Windows\SysWOW64\svchost.exe
PID 1516 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1516 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
PID 1516 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe

"C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe"

C:\Users\Admin\AppData\Local\Temp\c1f3b41db9bd1059bb7ca4ca159c2ef8e86899fac297d5a0eca72a8792f9b781.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1940 -ip 1940

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1940 -ip 1940

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 488

Network

Country Destination Domain Proto
N/A 52.152.108.96:443 tcp
N/A 104.110.191.133:80 tcp
N/A 104.110.191.133:80 tcp
N/A 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
N/A 8.8.8.8:53 d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa udp

Files

memory/5048-132-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/5048-133-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/5048-134-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/1516-137-0x0000000000000000-mapping.dmp

memory/1516-138-0x0000000010000000-0x0000000010050000-memory.dmp

memory/1516-140-0x0000000010000000-0x0000000010050000-memory.dmp

memory/1516-141-0x0000000010000000-0x0000000010050000-memory.dmp

memory/5048-142-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/1516-143-0x0000000010000000-0x0000000010050000-memory.dmp

memory/1516-144-0x0000000000400000-0x00000000004A8BF4-memory.dmp

memory/1940-145-0x0000000000000000-mapping.dmp

memory/1516-146-0x0000000010000000-0x0000000010050000-memory.dmp

memory/1940-147-0x0000000010000000-0x0000000010050000-memory.dmp