Malware Analysis Report

2024-11-13 15:33

Sample ID 241003-nnbxxsxcrl
Target encrypted.exe
SHA256 a6d95538d1d2f4031e10ff3a1258400a3f471fe64e14ff2dc9808c28334d0cea
Tags
vipkeylogger collection discovery keylogger spyware stealer
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

a6d95538d1d2f4031e10ff3a1258400a3f471fe64e14ff2dc9808c28334d0cea

Threat Level: Known bad

The file encrypted.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery keylogger spyware stealer

VIPKeylogger

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Browser Information Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

outlook_win_path

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-03 11:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-03 11:32

Reported

2024-10-03 11:34

Platform

win7-20240903-en

Max time kernel

121s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\encrypted.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\encrypted.exe

"C:\Users\Admin\AppData\Local\Temp\encrypted.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2244-0-0x0000000000320000-0x000000000036C000-memory.dmp

memory/2244-1-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

memory/2244-2-0x0000000001F40000-0x0000000001F8A000-memory.dmp

memory/2244-3-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-4-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-5-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-6-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-7-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

memory/2244-8-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-9-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

memory/2244-10-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-03 11:32

Reported

2024-10-03 11:34

Platform

win10v2004-20240802-en

Max time kernel

105s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\encrypted.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Browser Information Discovery

discovery

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\encrypted.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\encrypted.exe

"C:\Users\Admin\AppData\Local\Temp\encrypted.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
US 158.101.44.242:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 242.44.101.158.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/2144-0-0x000002D7B2FD0000-0x000002D7B301C000-memory.dmp

memory/2144-1-0x00007FF989233000-0x00007FF989235000-memory.dmp

memory/2144-2-0x000002D7B3120000-0x000002D7B316A000-memory.dmp

memory/2144-3-0x00007FF989230000-0x00007FF989CF1000-memory.dmp

memory/2144-4-0x00007FF989230000-0x00007FF989CF1000-memory.dmp

memory/2144-5-0x00007FF989230000-0x00007FF989CF1000-memory.dmp

memory/2144-6-0x000002D7CC800000-0x000002D7CC9C2000-memory.dmp

memory/2144-7-0x000002D7CC630000-0x000002D7CC680000-memory.dmp

memory/2144-8-0x00007FF989233000-0x00007FF989235000-memory.dmp

memory/2144-9-0x00007FF989230000-0x00007FF989CF1000-memory.dmp

memory/2144-10-0x00007FF989230000-0x00007FF989CF1000-memory.dmp

memory/2144-11-0x00007FF989230000-0x00007FF989CF1000-memory.dmp