Malware Analysis Report

2025-08-11 06:35

Sample ID 241016-blcefsverd
Target 163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe
SHA256 163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86
Tags
snakekeylogger 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

163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86

Threat Level: Known bad

The file 163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe was found to be: Known bad.

Malicious Activity Summary

snakekeylogger collection discovery keylogger stealer

Snake Keylogger payload

Snake Keylogger

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

System Location Discovery: System Language Discovery

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 01:13

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

2024-10-16 01:13

Reported

2024-10-16 01:16

Platform

win7-20240903-en

Max time kernel

117s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

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

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2080 set thread context of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.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\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.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 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2080 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\SysWOW64\WerFault.exe
PID 2080 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\SysWOW64\WerFault.exe
PID 2080 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\SysWOW64\WerFault.exe
PID 2080 wrote to memory of 2604 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\SysWOW64\WerFault.exe

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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\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\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

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

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 384

Network

Country Destination Domain Proto
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

Files

memory/2080-2-0x0000000002DC0000-0x0000000002FC0000-memory.dmp

memory/2136-3-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2136-7-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2136-5-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2136-8-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

memory/2136-9-0x0000000074BA0000-0x000000007528E000-memory.dmp

memory/2136-10-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

memory/2136-11-0x0000000074BA0000-0x000000007528E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 01:13

Reported

2024-10-16 01:16

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4108 set thread context of 3540 N/A C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.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\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.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-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\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\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

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

"C:\Users\Admin\AppData\Local\Temp\163a25e2b68ed09eb4cf82f28c87568969091764bdfb4140b4675a00e2d2ed86.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/4108-2-0x0000000004130000-0x0000000004330000-memory.dmp

memory/3540-3-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3540-4-0x000000007540E000-0x000000007540F000-memory.dmp

memory/3540-5-0x0000000005BD0000-0x0000000006174000-memory.dmp

memory/3540-6-0x0000000005530000-0x00000000055CC000-memory.dmp

memory/3540-7-0x0000000075400000-0x0000000075BB0000-memory.dmp

memory/3540-8-0x000000007540E000-0x000000007540F000-memory.dmp

memory/3540-9-0x0000000006860000-0x00000000068B0000-memory.dmp

memory/3540-10-0x0000000006A80000-0x0000000006C42000-memory.dmp

memory/3540-11-0x0000000006950000-0x00000000069E2000-memory.dmp

memory/3540-12-0x0000000006910000-0x000000000691A000-memory.dmp

memory/3540-13-0x0000000075400000-0x0000000075BB0000-memory.dmp