Malware Analysis Report

2024-10-10 13:00

Sample ID 240617-tm2d3swajc
Target 1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe
SHA256 1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64
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

1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64

Threat Level: Known bad

The file 1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe was found to be: Known bad.

Malicious Activity Summary

dcrat infostealer rat

Process spawned unexpected child process

DcRat

Dcrat family

DCRat payload

DCRat payload

Executes dropped EXE

Checks computer location settings

Legitimate hosting services abused for malware hosting/C2

Drops file in Program Files directory

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 16:11

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

2024-06-17 16:11

Reported

2024-06-17 16:13

Platform

win7-20240611-en

Max time kernel

126s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.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

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Mozilla Firefox\csrss.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files\Mozilla Firefox\886983d96e3d3e C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\taskhost.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\b75386f1303e64 C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Globalization\System.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Windows\Globalization\27d1bcfc3c54e0 C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Windows\PLA\System\Idle.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Windows\PLA\System\6ccacd8608530f C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe

"C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe"

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\explorer.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\explorer.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a641" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a641" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dllhost.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Windows\Globalization\System.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Windows\Globalization\System.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\taskhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\taskhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\csrss.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\csrss.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\winlogon.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Recovery\1fdecb22-2889-11ef-9d63-46d84c032646\winlogon.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Windows\PLA\System\Idle.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\PLA\System\Idle.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\PLA\System\Idle.exe'" /rl HIGHEST /f

C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe

"C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
US 8.8.8.8:53 l0sscommun.temp.swtest.ru udp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp

Files

memory/2560-0-0x000007FEF5253000-0x000007FEF5254000-memory.dmp

memory/2560-1-0x0000000000F00000-0x0000000001002000-memory.dmp

memory/2560-2-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

memory/2560-3-0x0000000000550000-0x000000000056C000-memory.dmp

C:\Program Files\Mozilla Firefox\csrss.exe

MD5 3146f2002112e5ba7562a28ff1883f9a
SHA1 9bd64b0954d746395e8080e563dbb39b254fac7d
SHA256 1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64
SHA512 08e1e8c002269a4d611d21de3d037879abcbbf59f8f3744f27ee62b296adf61664f4f7afe0dc36bcdd4b5070fe6b7bf146ff94b0c682fee09e61bfa0935c3cfa

memory/592-32-0x0000000000A30000-0x0000000000B32000-memory.dmp

memory/2560-33-0x000007FEF5250000-0x000007FEF5C3C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 16:11

Reported

2024-06-17 16:13

Platform

win10v2004-20240508-en

Max time kernel

127s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files (x86)\Windows NT\TableTextService\ee2ad38f3d4382 C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files (x86)\Windows NT\TableTextService\en-US\fontdrvhost.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Program Files (x86)\Windows NT\TableTextService\en-US\5b884080fd4f94 C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\PrintDialog\microsoft.system.package.metadata\TextInputHost.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File opened for modification C:\Windows\PrintDialog\microsoft.system.package.metadata\TextInputHost.exe C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
File created C:\Windows\PrintDialog\microsoft.system.package.metadata\22eafd247d37c3 C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe

"C:\Users\Admin\AppData\Local\Temp\1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64.exe"

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\TextInputHost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\TextInputHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Windows\PrintDialog\microsoft.system.package.metadata\TextInputHost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\PrintHood\Registry.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\PrintHood\Registry.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\spoolsv.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\spoolsv.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\SppExtComObj.exe'" /f

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

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

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\fontdrvhost.exe'" /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\system32\schtasks.exe

schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\fontdrvhost.exe'" /rl HIGHEST /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\576PQzxnsO.bat"

C:\Windows\system32\w32tm.exe

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

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 --no-appcompat-clear --field-trial-handle=1300,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8

C:\Program Files (x86)\Windows NT\TableTextService\Registry.exe

"C:\Program Files (x86)\Windows NT\TableTextService\Registry.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
US 8.8.8.8:53 l0sscommun.temp.swtest.ru udp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
US 8.8.8.8:53 235.3.20.104.in-addr.arpa udp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
US 8.8.8.8:53 219.62.222.77.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp
RU 77.222.62.219:80 l0sscommun.temp.swtest.ru tcp

Files

memory/116-1-0x00007FFCC2FB3000-0x00007FFCC2FB5000-memory.dmp

memory/116-0-0x0000000000A70000-0x0000000000B72000-memory.dmp

memory/116-3-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp

memory/116-2-0x0000000002D00000-0x0000000002D1C000-memory.dmp

memory/116-4-0x000000001B700000-0x000000001B750000-memory.dmp

C:\Users\Default\SppExtComObj.exe

MD5 3146f2002112e5ba7562a28ff1883f9a
SHA1 9bd64b0954d746395e8080e563dbb39b254fac7d
SHA256 1eb7992ca97e8bb0b65faeaf69b30d9ac84406b1f35d6a900f8de748ab6a6a64
SHA512 08e1e8c002269a4d611d21de3d037879abcbbf59f8f3744f27ee62b296adf61664f4f7afe0dc36bcdd4b5070fe6b7bf146ff94b0c682fee09e61bfa0935c3cfa

memory/116-24-0x00007FFCC2FB0000-0x00007FFCC3A71000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\576PQzxnsO.bat

MD5 1a7b78796bcd72e6b5f412b5f4d540c3
SHA1 0b8d1bb190de0ca4454fab15aecb023e95555b72
SHA256 4ac48e9f852af7655aa46f4ecb3637bda8c0145ddcffbd8c469ccf87e5d31624
SHA512 28a6a9d36b949a375dfa2847604698628765ce41def1da5433ecdafb53db8d20f84dcf37db1741b37039d04b6e6d91285c56f2d8599e295bec6f184bcba41962