Malware Analysis Report

2024-11-30 14:47

Sample ID 240926-c4t8nawbkd
Target ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe
SHA256 ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b
Tags
vipkeylogger collection discovery keylogger 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

ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b

Threat Level: Known bad

The file ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe was found to be: Known bad.

Malicious Activity Summary

vipkeylogger collection discovery keylogger stealer

VIPKeylogger

Loads dropped DLL

Executes dropped EXE

Drops startup file

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Unsigned PE

Browser Information Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

outlook_win_path

outlook_office_path

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-26 02:38

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-26 02:38

Reported

2024-09-26 02:40

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs C:\Users\Admin\AppData\Local\directory\name.exe N/A

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2948 set thread context of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\directory\name.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2696 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe C:\Users\Admin\AppData\Local\directory\name.exe
PID 2696 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe C:\Users\Admin\AppData\Local\directory\name.exe
PID 2696 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe C:\Users\Admin\AppData\Local\directory\name.exe
PID 2696 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe C:\Users\Admin\AppData\Local\directory\name.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2948 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

C:\Users\Admin\AppData\Local\directory\name.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
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 us2.smtp.mailhostbox.com udp
US 208.91.199.224:587 us2.smtp.mailhostbox.com tcp

Files

memory/2696-2-0x0000000003B30000-0x0000000003D30000-memory.dmp

\Users\Admin\AppData\Local\directory\name.exe

MD5 dbd8d3c12d6fce47889e004ba21a8b88
SHA1 005669c6331f9a9d884628295b4a0fd440b7c9a9
SHA256 ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b
SHA512 9b84f142063be4d4d4b7af14c5fbe36f63b9983e4fab7130b0c99daaae7e7d321728393d8416b98f4c05b531dc70d2df28d16cd3e703e961168b3aaa21909e7f

C:\Users\Admin\AppData\Local\Temp\gammy

MD5 ae6204d20be2f2f4139e37f831931c00
SHA1 6613cd5b654791c44d4d134887a672f0bfa7cdb6
SHA256 6cecec37cca941233f557ad95ea9729007a0f3930ba1e9410c5936d0282b1185
SHA512 40a7938027d58e91fa406d09183f6c432b968a3b6252c02df0b1b59c645de93c0f7078ee1e53d6ed555c43439ab31aecc71ebf64af1d4cc3bb79a3f184eae35a

memory/2948-12-0x0000000003CA0000-0x0000000003EA0000-memory.dmp

memory/2584-14-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2584-16-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2584-18-0x0000000000400000-0x0000000000448000-memory.dmp

memory/2584-19-0x000000007404E000-0x000000007404F000-memory.dmp

memory/2584-20-0x0000000074040000-0x000000007472E000-memory.dmp

memory/2584-21-0x000000007404E000-0x000000007404F000-memory.dmp

memory/2584-22-0x0000000074040000-0x000000007472E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-26 02:38

Reported

2024-09-26 02:40

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

Signatures

VIPKeylogger

stealer keylogger vipkeylogger

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs C:\Users\Admin\AppData\Local\directory\name.exe N/A

Executes dropped EXE

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Looks up external IP address via web service

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 212 set thread context of 3112 N/A C:\Users\Admin\AppData\Local\directory\name.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Browser Information Discovery

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\directory\name.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious behavior: MapViewOfSection

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

C:\Users\Admin\AppData\Local\directory\name.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Users\Admin\AppData\Local\Temp\ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 168.6.122.193.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 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 us2.smtp.mailhostbox.com udp
US 208.91.199.223:587 us2.smtp.mailhostbox.com tcp
US 8.8.8.8:53 223.199.91.208.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4544-2-0x00000000042E0000-0x00000000044E0000-memory.dmp

C:\Users\Admin\AppData\Local\directory\name.exe

MD5 dbd8d3c12d6fce47889e004ba21a8b88
SHA1 005669c6331f9a9d884628295b4a0fd440b7c9a9
SHA256 ef25c5e1cca2a17290db110d708995e5572ab7c8c06049f3b7c133d2a3a56c8b
SHA512 9b84f142063be4d4d4b7af14c5fbe36f63b9983e4fab7130b0c99daaae7e7d321728393d8416b98f4c05b531dc70d2df28d16cd3e703e961168b3aaa21909e7f

C:\Users\Admin\AppData\Local\Temp\gammy

MD5 ae6204d20be2f2f4139e37f831931c00
SHA1 6613cd5b654791c44d4d134887a672f0bfa7cdb6
SHA256 6cecec37cca941233f557ad95ea9729007a0f3930ba1e9410c5936d0282b1185
SHA512 40a7938027d58e91fa406d09183f6c432b968a3b6252c02df0b1b59c645de93c0f7078ee1e53d6ed555c43439ab31aecc71ebf64af1d4cc3bb79a3f184eae35a

memory/212-10-0x0000000003D10000-0x0000000003F10000-memory.dmp

memory/3112-12-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3112-13-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/3112-14-0x0000000005AB0000-0x0000000006054000-memory.dmp

memory/3112-15-0x00000000055A0000-0x000000000563C000-memory.dmp

memory/3112-16-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/3112-17-0x0000000006870000-0x0000000006A32000-memory.dmp

memory/3112-18-0x0000000006700000-0x0000000006750000-memory.dmp

memory/3112-19-0x0000000006F70000-0x000000000749C000-memory.dmp

memory/3112-20-0x00000000747DE000-0x00000000747DF000-memory.dmp

memory/3112-21-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/3112-22-0x0000000006AE0000-0x0000000006B72000-memory.dmp

memory/3112-23-0x0000000006A40000-0x0000000006A4A000-memory.dmp