Malware Analysis Report

2024-08-06 08:29

Sample ID 230119-d8sfasec59
Target 16dd45a566ea6c03f4aac69fbd451bbb.exe
SHA256 9c05d6bfce786708b4534463b462b21472b87d71fbf491820db856f1f388e34d
Tags
elysiumstealer stealer evasion persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

9c05d6bfce786708b4534463b462b21472b87d71fbf491820db856f1f388e34d

Threat Level: Known bad

The file 16dd45a566ea6c03f4aac69fbd451bbb.exe was found to be: Known bad.

Malicious Activity Summary

elysiumstealer stealer evasion persistence

ElysiumStealer Support DLL

ElysiumStealer

Executes dropped EXE

Modifies Windows Firewall

Drops startup file

Loads dropped DLL

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Program crash

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies system certificate store

MITRE ATT&CK Matrix V6

Analysis: static1

Detonation Overview

Reported

2023-01-19 03:41

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-19 03:41

Reported

2023-01-19 03:43

Platform

win10v2004-20221111-en

Max time kernel

96s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe"

Signatures

ElysiumStealer

stealer elysiumstealer

ElysiumStealer Support DLL

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe N/A

Legitimate hosting services abused for malware hosting/C2

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe

"C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4788 -ip 4788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1500

Network

Country Destination Domain Proto
N/A 8.238.21.126:80 tcp
N/A 8.8.8.8:53 pastebin.com udp
N/A 104.20.67.143:443 pastebin.com tcp
N/A 8.238.21.126:80 tcp
N/A 172.67.34.170:443 pastebin.com tcp
N/A 104.208.16.88:443 tcp
N/A 104.20.68.143:443 pastebin.com tcp
N/A 93.184.220.29:80 tcp
N/A 8.238.21.126:80 tcp
N/A 104.80.225.205:443 tcp

Files

memory/4788-132-0x0000000000100000-0x0000000000134000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

memory/4788-134-0x0000000004BF0000-0x0000000004C8C000-memory.dmp

memory/4788-135-0x00000000052B0000-0x0000000005854000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-19 03:41

Reported

2023-01-19 03:43

Platform

win7-20221111-en

Max time kernel

150s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe"

Signatures

ElysiumStealer

stealer elysiumstealer

ElysiumStealer Support DLL

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\Admin\AppData\Roaming\svchost.exe N/A

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15ea4944f270282d46a1f0dd4d332e8f.exe C:\Users\Admin\AppData\Roaming\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\15ea4944f270282d46a1f0dd4d332e8f.exe C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\15ea4944f270282d46a1f0dd4d332e8f = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\15ea4944f270282d46a1f0dd4d332e8f = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe

"C:\Users\Admin\AppData\Local\Temp\16dd45a566ea6c03f4aac69fbd451bbb.exe"

C:\Users\Admin\AppData\Roaming\svchost.exe

"C:\Users\Admin\AppData\Roaming\svchost.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 pastebin.com udp
N/A 104.20.67.143:443 pastebin.com tcp
N/A 104.20.67.143:443 pastebin.com tcp
N/A 8.8.8.8:53 4.tcp.eu.ngrok.io udp
N/A 3.121.139.82:17809 4.tcp.eu.ngrok.io tcp

Files

memory/2020-54-0x0000000000910000-0x0000000000944000-memory.dmp

memory/2020-55-0x0000000000220000-0x0000000000234000-memory.dmp

\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

memory/2020-57-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

\Users\Admin\AppData\Roaming\svchost.exe

MD5 16dd45a566ea6c03f4aac69fbd451bbb
SHA1 9a1561da84c775e3fda2e31c87afb784d651687f
SHA256 9c05d6bfce786708b4534463b462b21472b87d71fbf491820db856f1f388e34d
SHA512 53da04f2993e30a6338fe92454fe6bb642dcfedba3199f0a2d23ad9587e2ee6c8a480a54d4e0d312e6a62ffd45b8fc14d7fd1ff0bc22f0f3720561d4c79e1937

memory/1908-59-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 16dd45a566ea6c03f4aac69fbd451bbb
SHA1 9a1561da84c775e3fda2e31c87afb784d651687f
SHA256 9c05d6bfce786708b4534463b462b21472b87d71fbf491820db856f1f388e34d
SHA512 53da04f2993e30a6338fe92454fe6bb642dcfedba3199f0a2d23ad9587e2ee6c8a480a54d4e0d312e6a62ffd45b8fc14d7fd1ff0bc22f0f3720561d4c79e1937

C:\Users\Admin\AppData\Roaming\svchost.exe

MD5 16dd45a566ea6c03f4aac69fbd451bbb
SHA1 9a1561da84c775e3fda2e31c87afb784d651687f
SHA256 9c05d6bfce786708b4534463b462b21472b87d71fbf491820db856f1f388e34d
SHA512 53da04f2993e30a6338fe92454fe6bb642dcfedba3199f0a2d23ad9587e2ee6c8a480a54d4e0d312e6a62ffd45b8fc14d7fd1ff0bc22f0f3720561d4c79e1937

memory/1908-62-0x0000000000EC0000-0x0000000000EF4000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

\Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\0x7RT.dll

MD5 94173de2e35aa8d621fc1c4f54b2a082
SHA1 fbb2266ee47f88462560f0370edb329554cd5869
SHA256 7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f
SHA512 cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

memory/1348-66-0x0000000000000000-mapping.dmp