Malware Analysis Report

2024-10-10 13:06

Sample ID 240620-kepwmsscrk
Target 33ab5cbb351fa75f5d4f3e3b5aa064a9.exe
SHA256 2e2163fd9a3cf6e23a7b9509e64a877e5b6c5abf8537fe738466f83112539d17
Tags
dcrat infostealer rat
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

2e2163fd9a3cf6e23a7b9509e64a877e5b6c5abf8537fe738466f83112539d17

Threat Level: Known bad

The file 33ab5cbb351fa75f5d4f3e3b5aa064a9.exe was found to be: Known bad.

Malicious Activity Summary

dcrat infostealer rat

DCRat payload

Process spawned unexpected child process

DcRat

Dcrat family

DCRat payload

Executes dropped EXE

Checks computer location settings

Drops file in Windows directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 08:31

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: behavioral2

Detonation Overview

Submitted

2024-06-20 08:31

Reported

2024-06-20 08:33

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

53s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.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
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

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\MSBuild\sihost.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Uninstall Information\69ddcba757bf72 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Windows Multimedia Platform\taskhostw.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Windows Multimedia Platform\e1ef82546f0b02 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Windows Multimedia Platform\ea9f0e6c9e2dcd C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\MSBuild\66fc9ff0ee96c2 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Google\b91cc0d9432579 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Uninstall Information\smss.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Google\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File opened for modification C:\Program Files (x86)\Google\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\MSBuild\unsecapp.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\MSBuild\29c1c3cc0f7685 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\MSBuild\sihost.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\MSBuild\sihost.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe

"C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "33ab5cbb351fa75f5d4f3e3b5aa064a93" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Google\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "33ab5cbb351fa75f5d4f3e3b5aa064a9" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "33ab5cbb351fa75f5d4f3e3b5aa064a93" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Downloads\services.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Admin\Downloads\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Downloads\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 11 /tr "'C:\Program Files\MSBuild\unsecapp.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\MSBuild\unsecapp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 13 /tr "'C:\Program Files\MSBuild\unsecapp.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Multimedia Platform\taskhostw.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Windows Multimedia Platform\taskhostw.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Multimedia Platform\taskhostw.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\sihost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Libraries\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Public\Libraries\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Libraries\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

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

C:\Windows\system32\w32tm.exe

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

C:\Program Files (x86)\MSBuild\sihost.exe

"C:\Program Files (x86)\MSBuild\sihost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 cudohub.ru udp
US 8.8.8.8:53 cudohub.ru udp

Files

memory/4720-0-0x00007FFE80DA3000-0x00007FFE80DA5000-memory.dmp

memory/4720-1-0x0000000000590000-0x0000000000666000-memory.dmp

memory/4720-2-0x00007FFE80DA0000-0x00007FFE81861000-memory.dmp

C:\Recovery\WindowsRE\Idle.exe

MD5 33ab5cbb351fa75f5d4f3e3b5aa064a9
SHA1 ac9bcf69aecff1ff5d4108df204a4a2b572e1eef
SHA256 2e2163fd9a3cf6e23a7b9509e64a877e5b6c5abf8537fe738466f83112539d17
SHA512 4e62650b49ae86c152463742a04980627d54dc8efc7dd3443625210d13db815f279989d846bbca4376cd127595403cfd53160c0fa78f3d198bf400da5655a98e

memory/4720-29-0x00007FFE80DA0000-0x00007FFE81861000-memory.dmp

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

MD5 57dadad59cdbb598aced10d11a37cedd
SHA1 857c335207ceab35f63f971c230a2e49c4a1727f
SHA256 fd9f67b8666840756aabce333733630f4abe3c3330ddcb94ca9f0a2b67ac452e
SHA512 330fa33105071e8608bf30bfb970854278c0de0980632ff0bd3c72fb99d44f891dfacf576456cff69ba88d97a97f949981263f8fa52d50b0e92ce3a6b1cc3158

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 08:31

Reported

2024-06-20 08:33

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.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
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
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

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Microsoft Games\Chess\fr-FR\5940a34987c991 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\7a0fd90576e088 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Uninstall Information\6203df4a6bafc7 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Windows Mail\it-IT\lsm.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Windows Media Player\56085415360792 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\0a1fd5f707cd16 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\explorer.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Windows Mail\it-IT\101b941d020240 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\sppsvc.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files (x86)\Windows Defender\ja-JP\886983d96e3d3e C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Uninstall Information\lsass.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Windows Media Player\wininit.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Program Files\Microsoft Games\Chess\fr-FR\dllhost.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\addins\lsm.exe C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
File created C:\Windows\addins\101b941d020240 C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A

Enumerates physical storage devices

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
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
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
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
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
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
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
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\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe

"C:\Users\Admin\AppData\Local\Temp\33ab5cbb351fa75f5d4f3e3b5aa064a9.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\taskhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Games\Chess\fr-FR\dllhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\Chess\fr-FR\dllhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Games\Chess\fr-FR\dllhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Windows\addins\lsm.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\Windows\addins\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Users\Default\NetHood\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Default\NetHood\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Users\Default\NetHood\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\services.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\MSOCache\All Users\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Mail\it-IT\lsm.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\it-IT\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\it-IT\lsm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Media Player\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\wininit.exe'" /rl HIGHEST /f

C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe

"C:\Program Files (x86)\Windows Defender\ja-JP\csrss.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cudohub.ru udp
US 8.8.8.8:53 cudohub.ru udp

Files

memory/1728-0-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

memory/1728-1-0x0000000001030000-0x0000000001106000-memory.dmp

memory/1728-2-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

C:\Program Files\Microsoft Games\Chess\fr-FR\dllhost.exe

MD5 33ab5cbb351fa75f5d4f3e3b5aa064a9
SHA1 ac9bcf69aecff1ff5d4108df204a4a2b572e1eef
SHA256 2e2163fd9a3cf6e23a7b9509e64a877e5b6c5abf8537fe738466f83112539d17
SHA512 4e62650b49ae86c152463742a04980627d54dc8efc7dd3443625210d13db815f279989d846bbca4376cd127595403cfd53160c0fa78f3d198bf400da5655a98e

memory/1716-35-0x0000000000EB0000-0x0000000000F86000-memory.dmp

memory/1728-36-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp