Analysis Overview
SHA256
51297f05449c2fe207a4635e0d1123c137bfdfd97157e09b00af119733952197
Threat Level: Known bad
The file 173e540463300babea87380df68d79c2.exe was found to be: Known bad.
Malicious Activity Summary
XpertRAT Core Payload
XpertRAT
UAC bypass
Windows security bypass
Adds policy Run key to start application
Windows security modification
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-07-22 15:37
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-07-01 06:32
Reported
2021-07-01 06:35
Platform
win7v20210410
Max time kernel
135s
Max time network
183s
Command Line
Signatures
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1836 set thread context of 268 | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe |
| PID 268 set thread context of 1460 | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
"C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe"
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
"{path}"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | mertrerfeyy.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | gwtruwhgw.duckdns.org | udp |
| N/A | 8.8.8.8:53 | dfgrttuutii.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | mertrerfeyy.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | mertrerfeyy.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
Files
memory/1836-0-0x0000000000990000-0x0000000000991000-memory.dmp
memory/1836-2-0x0000000004D70000-0x0000000004D71000-memory.dmp
memory/1836-3-0x0000000000380000-0x0000000000382000-memory.dmp
memory/1836-64-0x00000000080F0000-0x00000000081A1000-memory.dmp
memory/1836-65-0x0000000005230000-0x0000000005295000-memory.dmp
memory/268-67-0x00000000004010B8-mapping.dmp
memory/268-66-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1460-70-0x0000000000400000-0x0000000000443000-memory.dmp
memory/1460-71-0x0000000000401364-mapping.dmp
memory/1460-72-0x0000000000160000-0x00000000002B3000-memory.dmp
memory/1460-76-0x00000000757D1000-0x00000000757D3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-07-01 06:32
Reported
2021-07-01 06:34
Platform
win10v20210410
Max time kernel
145s
Max time network
154s
Command Line
Signatures
UAC bypass
Windows security bypass
XpertRAT
XpertRAT Core Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7 = "C:\\Users\\Admin\\AppData\\Roaming\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7\\M2P7W1K1-J110-W5Y5-F7Y0-B2B7A0M6B1K7.exe" | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4048 set thread context of 2932 | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe |
| PID 2932 set thread context of 4068 | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
"C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe"
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
"{path}"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\173e540463300babea87380df68d79c2.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | mertrerfeyy.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | gwtruwhgw.duckdns.org | udp |
| N/A | 8.8.8.8:53 | dfgrttuutii.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | gwtruwhgw.duckdns.org | udp |
| N/A | 8.8.8.8:53 | dfgrttuutii.duckdns.org | udp |
| N/A | 8.8.8.8:53 | mertrerfeyy.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | gwtruwhgw.duckdns.org | udp |
| N/A | 8.8.8.8:53 | dfgrttuutii.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
| N/A | 8.8.8.8:53 | gwtruwhgw.duckdns.org | udp |
| N/A | 8.8.8.8:53 | dfgrttuutii.duckdns.org | udp |
| N/A | 195.133.40.193:8494 | mertrerfeyy.duckdns.org | tcp |
Files
memory/4048-114-0x0000000000810000-0x0000000000811000-memory.dmp
memory/4048-116-0x0000000005640000-0x0000000005641000-memory.dmp
memory/4048-117-0x0000000005140000-0x0000000005141000-memory.dmp
memory/4048-118-0x0000000005280000-0x0000000005281000-memory.dmp
memory/4048-119-0x00000000051F0000-0x00000000051F1000-memory.dmp
memory/4048-120-0x0000000005140000-0x000000000563E000-memory.dmp
memory/4048-121-0x00000000055D0000-0x00000000055D2000-memory.dmp
memory/4048-122-0x0000000008B40000-0x0000000008BF1000-memory.dmp
memory/4048-123-0x000000000B370000-0x000000000B3D5000-memory.dmp
memory/2932-124-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2932-125-0x00000000004010B8-mapping.dmp
memory/2932-128-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4068-129-0x0000000000400000-0x0000000000443000-memory.dmp
memory/4068-130-0x0000000000401364-mapping.dmp
memory/4068-133-0x0000000000EA0000-0x0000000000FF3000-memory.dmp
memory/4068-134-0x0000000000EA1000-0x0000000000F9D000-memory.dmp