Malware Analysis Report

2024-10-10 13:06

Sample ID 240622-bhwc6ateqp
Target 41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe
SHA256 41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983
Tags
dcrat infostealer rat
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

41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983

Threat Level: Known bad

The file 41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe was found to be: Known bad.

Malicious Activity Summary

dcrat infostealer rat

Dcrat family

DCRat payload

DcRat

Process spawned unexpected child process

DCRat payload

Checks computer location settings

Executes dropped EXE

Drops file in Program Files directory

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-22 01:09

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

2024-06-22 01:09

Reported

2024-06-22 01:11

Platform

win7-20240419-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.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

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:\Users\Default\SendTo\schtasks.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\DVD Maker\fr-FR\3a6fe29a7ceee6 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\Common Files\SpeechEngines\Microsoft\TTS20\en-US\smss.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\spoolsv.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File opened for modification C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\spoolsv.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\f3b6ecef712a24 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files\Windows NT\Accessories\es-ES\csrss.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files\Windows NT\Accessories\es-ES\886983d96e3d3e C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files\DVD Maker\fr-FR\schtasks.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\AppPatch\it-IT\explorer.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Windows\AppPatch\it-IT\7a0fd90576e088 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Default\SendTo\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe
PID 2068 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe
PID 2068 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe
PID 2544 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Windows\System32\cmd.exe
PID 2544 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Windows\System32\cmd.exe
PID 2544 wrote to memory of 2016 N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe C:\Windows\System32\cmd.exe
PID 2016 wrote to memory of 1976 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2016 wrote to memory of 1976 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2016 wrote to memory of 1976 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\w32tm.exe
PID 2016 wrote to memory of 2588 N/A C:\Windows\System32\cmd.exe C:\Users\Default\SendTo\schtasks.exe
PID 2016 wrote to memory of 2588 N/A C:\Windows\System32\cmd.exe C:\Users\Default\SendTo\schtasks.exe
PID 2016 wrote to memory of 2588 N/A C:\Windows\System32\cmd.exe C:\Users\Default\SendTo\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe

"C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Windows\AppPatch\it-IT\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\AppPatch\it-IT\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Windows\AppPatch\it-IT\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\lsm.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe

"C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 10 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\schtasks.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtasks" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\schtasks.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 14 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\schtasks.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows NT\Accessories\es-ES\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows NT\Accessories\es-ES\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows NT\Accessories\es-ES\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 9 /tr "'C:\Program Files\DVD Maker\fr-FR\schtasks.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtasks" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\fr-FR\schtasks.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 8 /tr "'C:\Program Files\DVD Maker\fr-FR\schtasks.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 8 /tr "'C:\Users\Default\SendTo\schtasks.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "schtaskss" /sc MINUTE /mo 8 /tr "'C:\Users\Default\SendTo\schtasks.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\YKtyItKL0f.bat"

C:\Windows\system32\w32tm.exe

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

C:\Users\Default\SendTo\schtasks.exe

"C:\Users\Default\SendTo\schtasks.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a0995830.xsph.ru udp
RU 141.8.192.58:80 a0995830.xsph.ru tcp

Files

memory/2068-0-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

memory/2068-1-0x00000000001A0000-0x0000000000276000-memory.dmp

memory/2068-2-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

memory/2068-9-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

C:\Program Files\Windows NT\Accessories\es-ES\csrss.exe

MD5 9c88646fc2e6a87d06ef9146d061b814
SHA1 a5a15178301aa854faf6e8fe6048ad1372a8ac67
SHA256 41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983
SHA512 ebb5356f86cc925dcc8b47e0e96efe5dfb787b368c5921790086d378b574498c8083f5962d27451d78ab488667634a61f178c750b95cfcfe79f62f29989bc231

C:\Users\Admin\AppData\Local\Temp\YKtyItKL0f.bat

MD5 4238c1fd02b8716264f77b5f2d8444a5
SHA1 0d9a49de59f0dbbc05e91f15b837e98f85dd4c62
SHA256 d4fe6d3bfb7774cbf1a9bda96f2e552c60a66d29c64d3d58c1c1941b07e85e31
SHA512 61409b8cf68ba1a09f7465e0584a30579d15246129b2586246446345cd0a9431fd9ceb3520b2f889ee40e9016f4377cddaf1a4601700ad51b64028c4af9cce3b

memory/2588-25-0x0000000000DE0000-0x0000000000EB6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 01:09

Reported

2024-06-22 01:11

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.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

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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Default\Links\sihost.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\7-Zip\Lang\fontdrvhost.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files\7-Zip\Lang\5b884080fd4f94 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\Microsoft.NET\msedge.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\Microsoft.NET\61a52ddc9dd915 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\Reference Assemblies\wininit.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Program Files (x86)\Reference Assemblies\56085415360792 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\ShellExperiences\backgroundTaskHost.exe C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
File created C:\Windows\ShellExperiences\eddb19405b7ce1 C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Default\Links\sihost.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe

"C:\Users\Admin\AppData\Local\Temp\41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\msedge.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\msedge.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files\7-Zip\Lang\fontdrvhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\7-Zip\Lang\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files\7-Zip\Lang\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft.NET\msedge.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft.NET\msedge.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\MusNotification.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\MusNotification.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Start Menu\backgroundTaskHost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\Admin\Start Menu\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Start Menu\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Windows\ShellExperiences\backgroundTaskHost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Windows\ShellExperiences\backgroundTaskHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Links\sihost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Links\sihost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Reference Assemblies\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Reference Assemblies\wininit.exe'" /rl HIGHEST /f

C:\Users\Default\Links\sihost.exe

"C:\Users\Default\Links\sihost.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4224,i,2113996974559895641,18156918660790954073,262144 --variations-seed-version --mojo-platform-channel-handle=3948 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 a0995830.xsph.ru udp
RU 141.8.192.58:80 a0995830.xsph.ru tcp
US 8.8.8.8:53 58.192.8.141.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 24.121.18.2.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 104.116.69.13.in-addr.arpa udp

Files

memory/4912-1-0x0000000000E00000-0x0000000000ED6000-memory.dmp

memory/4912-0-0x00007FF874513000-0x00007FF874515000-memory.dmp

memory/4912-2-0x00007FF874510000-0x00007FF874FD1000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\backgroundTaskHost.exe

MD5 9c88646fc2e6a87d06ef9146d061b814
SHA1 a5a15178301aa854faf6e8fe6048ad1372a8ac67
SHA256 41ac780af4899422861ef80ac9c6ac3ac9f6cb1d7edb930f8fdbdefb2bcc4983
SHA512 ebb5356f86cc925dcc8b47e0e96efe5dfb787b368c5921790086d378b574498c8083f5962d27451d78ab488667634a61f178c750b95cfcfe79f62f29989bc231

memory/4912-30-0x00007FF874510000-0x00007FF874FD1000-memory.dmp