Malware Analysis Report

2024-11-15 05:51

Sample ID 240721-lme7vazdpn
Target a57378db4d26609de5f519dd2659ae60N.exe
SHA256 cb667550264f5028045377419da9a935006e09b136ebe69a409a520dbf8db587
Tags
rat dcrat evasion infostealer persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

cb667550264f5028045377419da9a935006e09b136ebe69a409a520dbf8db587

Threat Level: Known bad

The file a57378db4d26609de5f519dd2659ae60N.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat evasion infostealer persistence trojan

DcRat

Process spawned unexpected child process

Dcrat family

DCRat payload

UAC bypass

DCRat payload

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Checks whether UAC is enabled

Drops file in System32 directory

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Modifies system certificate store

Suspicious use of AdjustPrivilegeToken

System policy modification

Scheduled Task/Job: Scheduled Task

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-21 09:38

Signatures

DCRat payload

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

Dcrat family

dcrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-21 09:38

Reported

2024-07-21 09:40

Platform

win7-20240704-en

Max time kernel

31s

Max time network

37s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

Signatures

DcRat

rat infostealer dcrat

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

DCRat payload

rat
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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\ProgramData\\Start Menu\\Idle.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Program Files (x86)\\Microsoft Sync Framework\\v1.0\\Runtime\\x86\\resources\\1033\\winlogon.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Documents and Settings\\audiodg.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\System32\\NlsLexicons0002\\dwm.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Program Files\\Windows Journal\\ja-JP\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Windows\\System32\\perfi010\\wininit.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\PerfLogs\\Admin\\smss.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\lsm.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Windows\\System32\\KBDSW\\lsm.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Windows\\System32\\C_936\\lsm.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Windows\\System32\\lsm\\sppsvc.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Windows\\System32\\wbem\\p2p-crp\\WmiPrvSE.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Windows\\System32\\scesrv\\wininit.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "\"C:\\Windows\\System32\\scrobj\\winlogon.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Users\\Admin\\My Documents\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\ProgramData\\Application Data\\lsass.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Windows\\System32\\wbem\\viewprov\\WmiPrvSE.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\PerfLogs\Admin\smss.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\System32\NlsLexicons0002\6cb0b6c459d5d3455a3da700e713f2e2529862ff C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\perfi010\wininit.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\perfi010\wininit.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\C_936\101b941d020240259ca4912829b53995ad543df6 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\scrobj\RCX3802.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\KBDSW\lsm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\C_936\lsm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\C_936\lsm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\wbem\p2p-crp\WmiPrvSE.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\wbem\p2p-crp\WmiPrvSE.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\lsm\0a1fd5f707cd16ea89afd3d6db52b2da58214a6c C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\wbem\viewprov\WmiPrvSE.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\scesrv\wininit.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\scrobj\winlogon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\scrobj\cc11b995f2a76da408ea6a601e682e64743153ad C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\wbem\viewprov\WmiPrvSE.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\wbem\viewprov\24dbde2999530ef5fd907494bc374d663924116c C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\scesrv\560854153607923c4c5f107085a7db67be01f252 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\NlsLexicons0002\dwm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\wbem\p2p-crp\24dbde2999530ef5fd907494bc374d663924116c C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\lsm\sppsvc.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\KBDSW\lsm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\KBDSW\RCX413A.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\C_936\RCX47E1.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\lsm\sppsvc.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\scrobj\winlogon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\NlsLexicons0002\dwm.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\scesrv\wininit.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\KBDSW\101b941d020240259ca4912829b53995ad543df6 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\perfi010\560854153607923c4c5f107085a7db67be01f252 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Windows Journal\ja-JP\lsass.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Program Files\Windows Journal\ja-JP\6203df4a6bafc7c328ee7f6f8ca0a8a838a8a1b9 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Program Files\Windows Journal\ja-JP\lsass.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\resources\1033\winlogon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\resources\1033\cc11b995f2a76da408ea6a601e682e64743153ad C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\resources\1033\winlogon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winsxs\lsass.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Enumerates physical storage devices

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\PerfLogs\Admin\smss.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\PerfLogs\Admin\smss.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A
N/A N/A C:\PerfLogs\Admin\smss.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Token: SeDebugPrivilege N/A C:\PerfLogs\Admin\smss.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2292 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 2292 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 2292 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 2772 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 2772 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 2772 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe
PID 1548 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Windows\System32\cmd.exe
PID 1548 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Windows\System32\cmd.exe
PID 1548 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe C:\Windows\System32\cmd.exe
PID 2480 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2480 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2480 wrote to memory of 2356 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2480 wrote to memory of 2932 N/A C:\Windows\System32\cmd.exe C:\PerfLogs\Admin\smss.exe
PID 2480 wrote to memory of 2932 N/A C:\Windows\System32\cmd.exe C:\PerfLogs\Admin\smss.exe
PID 2480 wrote to memory of 2932 N/A C:\Windows\System32\cmd.exe C:\PerfLogs\Admin\smss.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\PerfLogs\Admin\smss.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\System32\scrobj\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Documents and Settings\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Admin\My Documents\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\System32\KBDSW\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\ProgramData\Application Data\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\ProgramData\Start Menu\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\System32\C_936\lsm.exe'" /rl HIGHEST /f

C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\NlsLexicons0002\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\System32\wbem\viewprov\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Windows Journal\ja-JP\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\System32\lsm\sppsvc.exe'" /rl HIGHEST /f

C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\System32\perfi010\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\System32\wbem\p2p-crp\WmiPrvSE.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\PerfLogs\Admin\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\resources\1033\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\System32\scesrv\wininit.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\GkAKG2zvN3.bat"

C:\Windows\system32\w32tm.exe

w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2

C:\PerfLogs\Admin\smss.exe

"C:\PerfLogs\Admin\smss.exe"

Network

Country Destination Domain Proto
RU 92.63.192.30:80 92.63.192.30 tcp
RU 92.63.192.30:443 tcp
RU 92.63.192.30:443 tcp

Files

memory/2292-0-0x000007FEF5423000-0x000007FEF5424000-memory.dmp

memory/2292-1-0x0000000000FF0000-0x00000000010BA000-memory.dmp

memory/2292-2-0x000007FEF5420000-0x000007FEF5E0C000-memory.dmp

memory/2292-3-0x0000000000250000-0x0000000000258000-memory.dmp

memory/2292-4-0x0000000000260000-0x0000000000268000-memory.dmp

memory/2292-5-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2292-6-0x0000000000280000-0x0000000000288000-memory.dmp

memory/2292-7-0x00000000002A0000-0x00000000002AC000-memory.dmp

memory/2292-8-0x00000000002D0000-0x00000000002DA000-memory.dmp

memory/2292-9-0x00000000005F0000-0x00000000005FA000-memory.dmp

memory/2292-10-0x0000000000290000-0x0000000000298000-memory.dmp

memory/2292-11-0x00000000005E0000-0x00000000005E8000-memory.dmp

memory/2292-12-0x0000000000B90000-0x0000000000B98000-memory.dmp

memory/2292-13-0x00000000002C0000-0x00000000002C8000-memory.dmp

memory/2292-14-0x0000000000D30000-0x0000000000D38000-memory.dmp

memory/2292-17-0x0000000000DA0000-0x0000000000DA8000-memory.dmp

memory/2292-16-0x0000000000D50000-0x0000000000D58000-memory.dmp

memory/2292-15-0x0000000000D60000-0x0000000000D68000-memory.dmp

memory/2292-18-0x0000000000B80000-0x0000000000B88000-memory.dmp

memory/2292-19-0x0000000000D80000-0x0000000000D88000-memory.dmp

memory/2292-20-0x0000000000D90000-0x0000000000D98000-memory.dmp

memory/2292-21-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

memory/2292-22-0x0000000000DB0000-0x0000000000DB8000-memory.dmp

memory/2292-25-0x000007FEF5420000-0x000007FEF5E0C000-memory.dmp

memory/2292-30-0x000007FEF5420000-0x000007FEF5E0C000-memory.dmp

C:\Windows\System32\KBDSW\lsm.exe

MD5 a57378db4d26609de5f519dd2659ae60
SHA1 56f0f96c01ca12792cea6b7ea0814f0f568fe095
SHA256 cb667550264f5028045377419da9a935006e09b136ebe69a409a520dbf8db587
SHA512 6bfa4635da5753f2713c826ade75910bd0d8488915c8b80e5893b52c7c8696538edb5d4a4fba68636b1a92de6d487a184fabafb945ee35eecb6015bf4163cf33

memory/2292-35-0x000007FEF5420000-0x000007FEF5E0C000-memory.dmp

C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\lsm.exe

MD5 fb8104610be9ea8a2ddf11cdc0ce113c
SHA1 ebea110bf75e1380c733e1835dc79d40a620ced0
SHA256 da388067d60cce1c8d81d2601009e41a08d49a9cd1f5c0499b6f460f90a2d054
SHA512 488c1590dc859e97290a24dde2f5b4bf6a0992153ba2d92bf168058c33fcd0724b84ba03bb618f9d4cd770d575889f08d6ad03d48df9dd338a75b37956186904

memory/2292-98-0x000007FEF5420000-0x000007FEF5E0C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\GkAKG2zvN3.bat

MD5 4f19d9fef634fae3c1c390206d0d9385
SHA1 e5b912d2523b686a39114495e70567a5e657c5b6
SHA256 abaa5299eb02abb2a0f0355fe1be28cc194bc60418b70e970921583b77ab765b
SHA512 d98bca6e94e3fc777d2e1fc6a9bf51596232bd9e7d66bea5f93b7690c35ebe464ac71e87a8ee2620f72e0ad8f3f72e7502a1ceafa29c45d802aeec4ce9114673

memory/2932-143-0x00000000009F0000-0x0000000000ABA000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-21 09:38

Reported

2024-07-21 09:40

Platform

win10v2004-20240709-en

Max time kernel

104s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

Signatures

DcRat

rat infostealer dcrat

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process N/A C:\Windows\system32\schtasks.exe

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

DCRat payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sysmon = "\"C:\\Windows\\splwow64\\sysmon.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sihost = "\"C:\\Windows\\System32\\cleanmgr\\sihost.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Default\\My Documents\\dllhost.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a57378db4d26609de5f519dd2659ae60N = "\"C:\\ProgramData\\Desktop\\a57378db4d26609de5f519dd2659ae60N.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Windows\\InputMethod\\SHARED\\backgroundTaskHost.exe\"" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\System32\cleanmgr\sihost.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\System32\cleanmgr\66fc9ff0ee96c2b21f0cfded48750ae9e3032bf3 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\cleanmgr\RCXB53A.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\System32\cleanmgr\sihost.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\InputMethod\SHARED\RCXB0B4.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\InputMethod\SHARED\backgroundTaskHost.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\splwow64\RCXB336.tmp C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File opened for modification C:\Windows\splwow64\sysmon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\InputMethod\SHARED\backgroundTaskHost.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\InputMethod\SHARED\eddb19405b7ce1152b3e19997f2b467f0b72b3d3 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\splwow64\sysmon.exe C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
File created C:\Windows\splwow64\121e5b5079f7c0e46d90f99b3864022518bbbda9 C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Token: SeDebugPrivilege N/A C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe

"C:\Users\Admin\AppData\Local\Temp\a57378db4d26609de5f519dd2659ae60N.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "a57378db4d26609de5f519dd2659ae60N" /sc ONLOGON /tr "'C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\InputMethod\SHARED\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Windows\splwow64\sysmon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\System32\cleanmgr\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default\My Documents\dllhost.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\OXh4IkWU9A.bat"

C:\Windows\system32\w32tm.exe

w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2

C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe

"C:\ProgramData\Desktop\a57378db4d26609de5f519dd2659ae60N.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
RU 92.63.192.30:80 92.63.192.30 tcp
RU 92.63.192.30:443 tcp
RU 92.63.192.30:443 tcp
US 8.8.8.8:53 30.192.63.92.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4876-0-0x00007FFB1E2C3000-0x00007FFB1E2C5000-memory.dmp

memory/4876-1-0x00000000003B0000-0x000000000047A000-memory.dmp

memory/4876-2-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

memory/4876-4-0x0000000000D40000-0x0000000000D48000-memory.dmp

memory/4876-3-0x0000000000D30000-0x0000000000D38000-memory.dmp

memory/4876-5-0x000000001AEF0000-0x000000001AF00000-memory.dmp

memory/4876-6-0x000000001AF00000-0x000000001AF08000-memory.dmp

memory/4876-7-0x000000001AF10000-0x000000001AF1C000-memory.dmp

memory/4876-9-0x000000001AF20000-0x000000001AF2A000-memory.dmp

memory/4876-11-0x000000001B080000-0x000000001B088000-memory.dmp

memory/4876-10-0x000000001AF40000-0x000000001AF48000-memory.dmp

memory/4876-12-0x000000001AF50000-0x000000001AF58000-memory.dmp

memory/4876-13-0x000000001B090000-0x000000001B098000-memory.dmp

memory/4876-14-0x000000001AF60000-0x000000001AF68000-memory.dmp

memory/4876-18-0x000000001B0C0000-0x000000001B0C8000-memory.dmp

memory/4876-17-0x000000001B0E0000-0x000000001B0E8000-memory.dmp

memory/4876-20-0x000000001B200000-0x000000001B208000-memory.dmp

memory/4876-22-0x000000001B230000-0x000000001B238000-memory.dmp

memory/4876-21-0x000000001B220000-0x000000001B22C000-memory.dmp

memory/4876-19-0x000000001B1F0000-0x000000001B1F8000-memory.dmp

memory/4876-16-0x000000001B0B0000-0x000000001B0B8000-memory.dmp

memory/4876-15-0x000000001B0A0000-0x000000001B0A8000-memory.dmp

memory/4876-8-0x000000001AF30000-0x000000001AF3A000-memory.dmp

memory/4876-25-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

memory/4876-26-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

memory/4876-33-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

C:\Users\Default\Documents\dllhost.exe

MD5 a57378db4d26609de5f519dd2659ae60
SHA1 56f0f96c01ca12792cea6b7ea0814f0f568fe095
SHA256 cb667550264f5028045377419da9a935006e09b136ebe69a409a520dbf8db587
SHA512 6bfa4635da5753f2713c826ade75910bd0d8488915c8b80e5893b52c7c8696538edb5d4a4fba68636b1a92de6d487a184fabafb945ee35eecb6015bf4163cf33

memory/4876-51-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

memory/4876-78-0x00007FFB1E2C0000-0x00007FFB1ED81000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\OXh4IkWU9A.bat

MD5 a01cb2045dfe6434f6ef7833b850c3b1
SHA1 7e08a73864ae0f51da3c3c58da43a8ef41e07b02
SHA256 57508272382617d73c58d03d4a7fad023f8fa09fb6f5956e530bf6b8097ce843
SHA512 bd8590649e3064d2d096dbb41677720797375fc93d0e15c4e761ffb3fa89f388f3a0196346e914da602daae49ab8ec210ba9b0741c6265bafc829c1cbb511185

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\a57378db4d26609de5f519dd2659ae60N.exe.log

MD5 b7c0c43fc7804baaa7dc87152cdc9554
SHA1 1bab62bd56af745678d4e967d91e1ccfdeed4038
SHA256 46386a61f3aaf1b1c2e6efc9fc7e9e9ff16cd13ae58b8d856835771fedb6d457
SHA512 9fda3dd00a3406137e0113f13f78e77b20a76512b35820d38df696842cbbf2e2ebabfb99a3846c9637ecb54af858ec1551521187e379872973006426a253f769