Malware Analysis Report

2024-12-07 21:05

Sample ID 240206-f4ve7sgde5
Target 93ed1ecb220c1953e232e9487a4da013
SHA256 72c9de356d2e8ef88d9c3ec03a3fb952500ea42f73de0be612e83d2e7026818f
Tags
xtremerat persistence rat spyware upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

72c9de356d2e8ef88d9c3ec03a3fb952500ea42f73de0be612e83d2e7026818f

Threat Level: Known bad

The file 93ed1ecb220c1953e232e9487a4da013 was found to be: Known bad.

Malicious Activity Summary

xtremerat persistence rat spyware upx

Detect XtremeRAT payload

XtremeRAT

Xtremerat family

Modifies Installed Components in the registry

UPX packed file

Adds Run key to start application

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-06 05:26

Signatures

Detect XtremeRAT payload

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

Xtremerat family

xtremerat

UPX packed file

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-06 05:26

Reported

2024-02-06 05:28

Platform

win10v2004-20231222-en

Max time kernel

91s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.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

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\InstallDir\ C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.exe

"C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4592 -ip 4592

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 480

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4592 -ip 4592

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1372 -ip 1372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1372 -ip 1372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 1000

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

memory/1540-0-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4592-1-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1372-2-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1540-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1372-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1372-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1372-8-0x0000000010000000-0x000000001004D000-memory.dmp

memory/4592-9-0x0000000010000000-0x000000001004D000-memory.dmp

memory/1372-10-0x0000000010000000-0x000000001004D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-06 05:26

Reported

2024-02-06 05:28

Platform

win7-20231215-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.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

XtremeRAT

persistence spyware rat xtremerat

Modifies Installed Components in the registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4JS7M4M0-WO13-CYDT-LITD-2ITF43270MAY}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

UPX packed file

upx
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
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\InstallDir\Server.exe C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\InstallDir\ C:\Windows\SysWOW64\svchost.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.exe

"C:\Users\Admin\AppData\Local\Temp\93ed1ecb220c1953e232e9487a4da013.exe"

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp
N/A 127.0.0.1:81 tcp

Files

memory/2372-0-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2860-1-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2860-3-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2380-6-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2372-7-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2380-10-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2380-11-0x0000000010000000-0x000000001004D000-memory.dmp

C:\Windows\SysWOW64\InstallDir\Server.exe

MD5 93ed1ecb220c1953e232e9487a4da013
SHA1 515d4165976f77bce72ca154fca5c396a0f1e494
SHA256 72c9de356d2e8ef88d9c3ec03a3fb952500ea42f73de0be612e83d2e7026818f
SHA512 bc8fbd9691f22b091c105a73d3f43e26b01725661291feb7846099610a5b4d8bff466a618169ef6005134f4007b4ef853190629cc6e44c9dd455cdc309a8ae4e

memory/2860-13-0x0000000010000000-0x000000001004D000-memory.dmp

memory/2380-14-0x0000000010000000-0x000000001004D000-memory.dmp