Malware Analysis Report

2025-01-22 13:05

Sample ID 240626-ct89tsyhkf
Target f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de
SHA256 f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de
Tags
vmprotect
score
7/10

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
7/10

SHA256

f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de

Threat Level: Shows suspicious behavior

The file f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Drops file in Windows directory

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-26 02:23

Signatures

VMProtect packed file

vmprotect
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 02:23

Reported

2024-06-26 02:25

Platform

win7-20240611-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe"

Signatures

VMProtect packed file

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

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe

"C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x0

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipe.exejm.com udp
CN 112.192.20.93:5006 ipe.exejm.com tcp
CN 112.192.20.93:5007 ipe.exejm.com tcp
CN 112.192.20.93:5008 ipe.exejm.com tcp
CN 112.192.20.93:5009 ipe.exejm.com tcp

Files

memory/1844-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1844-2-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1844-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1844-7-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1844-5-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1844-9-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1844-14-0x0000000000270000-0x0000000000271000-memory.dmp

memory/1844-12-0x0000000000270000-0x0000000000271000-memory.dmp

memory/1844-19-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1844-17-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1844-35-0x0000000000400000-0x0000000000C34000-memory.dmp

memory/1844-36-0x00000000006DE000-0x00000000008EB000-memory.dmp

memory/1844-34-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/1844-32-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/1844-30-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/1844-29-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/1844-27-0x00000000003A0000-0x00000000003A1000-memory.dmp

memory/1844-24-0x0000000000290000-0x0000000000291000-memory.dmp

memory/1844-22-0x0000000000290000-0x0000000000291000-memory.dmp

memory/1844-40-0x00000000025E0000-0x000000000271C000-memory.dmp

memory/3284-721-0x0000000002D90000-0x0000000002D91000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 02:23

Reported

2024-06-26 02:24

Platform

win10v2004-20240508-en

Max time kernel

47s

Max time network

48s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe"

Signatures

VMProtect packed file

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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\rescache\_merged\2229298842\1183240423.pri C:\Windows\system32\LogonUI.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "233" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe

"C:\Users\Admin\AppData\Local\Temp\f9f580363bdf065e28af50a6a961c0320d241689c2c557d178e383af83c369de.exe"

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa3997055 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipe.exejm.com udp
US 8.8.8.8:53 ipe.exejm.com udp
US 8.8.8.8:53 ipe.exejm.com udp

Files

memory/1360-0-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

memory/1360-1-0x0000000000E10000-0x0000000000E11000-memory.dmp

memory/1360-2-0x0000000000E20000-0x0000000000E21000-memory.dmp

memory/1360-4-0x0000000000E60000-0x0000000000E61000-memory.dmp

memory/1360-3-0x0000000000E50000-0x0000000000E51000-memory.dmp

memory/1360-7-0x0000000001410000-0x0000000001411000-memory.dmp

memory/1360-6-0x00000000006DE000-0x00000000008EB000-memory.dmp

memory/1360-5-0x0000000001400000-0x0000000001401000-memory.dmp

memory/1360-12-0x0000000000400000-0x0000000000C34000-memory.dmp

memory/1360-13-0x0000000002C10000-0x0000000002D4C000-memory.dmp

memory/1360-14-0x0000000002C10000-0x0000000002D4C000-memory.dmp

memory/1360-1663-0x0000000000400000-0x0000000000C34000-memory.dmp