Malware Analysis Report

2024-11-15 05:49

Sample ID 240513-yx89wscf65
Target 3bd8d1abdfdf35856a1b35c6824bd6f2.exe
SHA256 439bcad86efe793e25a896bedbebbcbb1de01905eece9fa49cb5856a1bd562d4
Tags
rat dcrat infostealer
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

439bcad86efe793e25a896bedbebbcbb1de01905eece9fa49cb5856a1bd562d4

Threat Level: Known bad

The file 3bd8d1abdfdf35856a1b35c6824bd6f2.exe was found to be: Known bad.

Malicious Activity Summary

rat dcrat infostealer

Dcrat family

Process spawned unexpected child process

DcRat

DCRat payload

DCRat payload

Executes dropped EXE

Checks computer location settings

Drops file in Program Files directory

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-13 20:11

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

2024-05-13 20:11

Reported

2024-05-13 20:13

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.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:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\audiodg.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\42af1c969fbb7b C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Google\Temp\services.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Google\Temp\c5b4cb5e9653cc C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Media\Delta\services.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Windows\Media\Delta\c5b4cb5e9653cc C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
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\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
Token: SeDebugPrivilege N/A C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe

"C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\wininit.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\wininit.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f23" /sc MINUTE /mo 9 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f2" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f23" /sc MINUTE /mo 9 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\System.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Windows\Media\Delta\services.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\Media\Delta\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Windows\Media\Delta\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\smss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\audiodg.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\audiodg.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Google\Temp\services.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Google\Temp\services.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f23" /sc MINUTE /mo 11 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f2" /sc ONLOGON /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "3bd8d1abdfdf35856a1b35c6824bd6f23" /sc MINUTE /mo 10 /tr "'C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\3bd8d1abdfdf35856a1b35c6824bd6f2.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\sppsvc.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\sppsvc.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Vs2sRgPwS7.bat"

C:\Windows\system32\w32tm.exe

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

C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe

"C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\Idle.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 a0974467.xsph.ru udp
RU 141.8.192.126:80 a0974467.xsph.ru tcp

Files

memory/2880-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

memory/2880-1-0x0000000001000000-0x00000000010D6000-memory.dmp

memory/2880-2-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

C:\Recovery\d6b272a2-8f1b-11ee-9e28-7ed9061e9c39\winlogon.exe

MD5 3bd8d1abdfdf35856a1b35c6824bd6f2
SHA1 3e6e83f044690b2e5ffec74ebdef0ec9d4e8a02b
SHA256 439bcad86efe793e25a896bedbebbcbb1de01905eece9fa49cb5856a1bd562d4
SHA512 11387da3bb436ce4968eeaa03d0880b2eaa5cba780a8e393c060b0828e187d9527c24dd545f8fe3f8ad02a834cc0831d78d70e823047bf758ba42da01e0fc797

memory/2880-34-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Vs2sRgPwS7.bat

MD5 d28aca00b03ca422d639116905880602
SHA1 4755e3c3854166d39ed82fa6019155384759c0db
SHA256 787232b696aa9804b5be002ccd2a8df92f3c4c453f0c56f57e703658c82fe14e
SHA512 b73390a93aa3760bef75b5920b6d1512c418f51a562186772a1cf86b9f44aa67ee825e6cdde93aae79604e564e588012a3b301edd9ed5b37c3a2acc1235eabc6

memory/2092-37-0x00000000001E0000-0x00000000002B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-13 20:11

Reported

2024-05-13 20:13

Platform

win10v2004-20240426-en

Max time kernel

134s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Recovery\WindowsRE\spoolsv.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Google\Temp\6cb0b6c459d5d3 C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\sysmon.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\121e5b5079f7c0 C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Mozilla Maintenance Service\logs\7a0fd90576e088 C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files\VideoLAN\VLC\plugins\gui\lsass.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files\VideoLAN\VLC\plugins\gui\6203df4a6bafc7 C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Program Files (x86)\Google\Temp\dwm.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Logs\sysmon.exe C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
File created C:\Windows\Logs\121e5b5079f7c0 C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe N/A
Token: SeDebugPrivilege N/A C:\Recovery\WindowsRE\spoolsv.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe

"C:\Users\Admin\AppData\Local\Temp\3bd8d1abdfdf35856a1b35c6824bd6f2.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Templates\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Templates\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 14 /tr "'C:\Windows\Logs\sysmon.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 7 /tr "'C:\Windows\Logs\sysmon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\VLC\plugins\gui\lsass.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\plugins\gui\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files\VideoLAN\VLC\plugins\gui\lsass.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Temp\dwm.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Google\Temp\dwm.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sysmon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sysmon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\sysmon.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

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

C:\Windows\system32\w32tm.exe

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

C:\Recovery\WindowsRE\spoolsv.exe

"C:\Recovery\WindowsRE\spoolsv.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.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 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 106.61.62.23.in-addr.arpa udp
NL 23.62.61.106:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 a0974467.xsph.ru udp
RU 141.8.192.126:80 a0974467.xsph.ru tcp
US 8.8.8.8:53 126.192.8.141.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/776-0-0x00007FFAE48B3000-0x00007FFAE48B5000-memory.dmp

memory/776-1-0x0000000000290000-0x0000000000366000-memory.dmp

memory/776-4-0x00007FFAE48B0000-0x00007FFAE5371000-memory.dmp

C:\Program Files\VideoLAN\VLC\plugins\gui\lsass.exe

MD5 3bd8d1abdfdf35856a1b35c6824bd6f2
SHA1 3e6e83f044690b2e5ffec74ebdef0ec9d4e8a02b
SHA256 439bcad86efe793e25a896bedbebbcbb1de01905eece9fa49cb5856a1bd562d4
SHA512 11387da3bb436ce4968eeaa03d0880b2eaa5cba780a8e393c060b0828e187d9527c24dd545f8fe3f8ad02a834cc0831d78d70e823047bf758ba42da01e0fc797

memory/776-22-0x00007FFAE48B0000-0x00007FFAE5371000-memory.dmp

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

MD5 0eb9b7b97164e54e757128aa5949169d
SHA1 0ab73f72195c8b795c9015b5452898fb9b5a0800
SHA256 e35f21fbf4628969070bc7f5cc49856d4bcdf2d10ed59dc0cf6dd18dee45190d
SHA512 c2a18bf02026c6d9606149946b59ece093e8e6b564c14904d43858300776e18cfda9fc702f5a9bbd085df92948a25cdb6b08eb4cd6f7635d65020b8668e1f447