Malware Analysis Report

2025-06-16 01:03

Sample ID 221123-v8zytabc65
Target 3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a
SHA256 3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a
Tags
xtremerat persistence rat spyware
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

3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a

Threat Level: Known bad

The file 3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware

Detect XtremeRAT payload

XtremeRAT

Executes dropped EXE

Modifies Installed Components in the registry

Loads dropped DLL

Adds Run key to start application

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-23 17:40

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-23 17:40

Reported

2022-11-23 19:43

Platform

win7-20221111-en

Max time kernel

187s

Max time network

191s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA} C:\Windows\SysWOW64\HelpMe.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA}\StubPath = "C:\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\HelpMe.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA}\StubPath = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\HelpMe.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\HelpMe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\HelpMe.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\HelpMe.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\HelpMe.exe C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe N/A
N/A N/A C:\Windows\SysWOW64\HelpMe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe

"C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe"

C:\Windows\SysWOW64\HelpMe.exe

C:\Windows\system32\HelpMe.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp

Files

\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

C:\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

memory/1800-58-0x0000000000000000-mapping.dmp

memory/1800-60-0x0000000076041000-0x0000000076043000-memory.dmp

memory/580-61-0x0000000010000000-0x000000001004A000-memory.dmp

memory/580-63-0x0000000000000000-mapping.dmp

C:\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

memory/580-66-0x0000000010000000-0x000000001004A000-memory.dmp

C:\InstallDir\Server.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

memory/580-68-0x0000000010000000-0x000000001004A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-23 17:40

Reported

2022-11-23 19:43

Platform

win10v2004-20221111-en

Max time kernel

185s

Max time network

190s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Executes dropped EXE

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

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA}\StubPath = "C:\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\HelpMe.exe N/A
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{2MNWQVSM-3W43-7G62-7SS8-WU1O6J0X5PWA} C:\Windows\SysWOW64\HelpMe.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\HelpMe.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\HelpMe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\HelpMe.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\InstallDir\\Server.exe" C:\Windows\SysWOW64\HelpMe.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\HelpMe.exe C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe N/A
N/A N/A C:\Windows\SysWOW64\HelpMe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe

"C:\Users\Admin\AppData\Local\Temp\3d628f605c88715175be5f8e1f6174b9885294edde42f5db1bb0105600bc1f0a.exe"

C:\Windows\SysWOW64\HelpMe.exe

C:\Windows\system32\HelpMe.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3372 -ip 3372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3372 -ip 3372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 488

Network

Country Destination Domain Proto
N/A 104.109.143.76:443 tcp
N/A 104.109.143.76:443 tcp
N/A 93.184.220.29:80 tcp
N/A 93.184.220.29:80 tcp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.253.208.113:80 tcp
N/A 8.253.208.113:80 tcp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp
N/A 8.8.8.8:53 simpleman.hopto.org udp
N/A 8.8.8.8:53 simpleman.sytes.net udp

Files

memory/1276-134-0x0000000000000000-mapping.dmp

C:\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

C:\Windows\SysWOW64\HelpMe.exe

MD5 a6eb00d2534d342a6cd44c7f0fa6551c
SHA1 09d0fd72407f8cff56185b28ab65a828bdf5259e
SHA256 28a2c796a0cd5e60126cdae63dd0fbda4c2a0ee16b0c6b57326f49e4bbf031c2
SHA512 a649ab5805654a896a05953e34c07f7ac959c6334c50243b34f89e09b82fe23875cc38aa6a7f5d0e3979e6f0ed3c030bd3e057488ff31f751539c9c49680ba72

memory/3372-137-0x0000000000000000-mapping.dmp

memory/3372-138-0x0000000010000000-0x000000001004A000-memory.dmp