Malware Analysis Report

2024-10-18 23:14

Sample ID 240511-bty87aga95
Target 648d3143e38f628bcc0103c802fb3b78db5a724198deb053e6fae1e4efadb722.z
SHA256 648d3143e38f628bcc0103c802fb3b78db5a724198deb053e6fae1e4efadb722
Tags
snakekeylogger collection 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

648d3143e38f628bcc0103c802fb3b78db5a724198deb053e6fae1e4efadb722

Threat Level: Known bad

The file 648d3143e38f628bcc0103c802fb3b78db5a724198deb053e6fae1e4efadb722.z was found to be: Known bad.

Malicious Activity Summary

snakekeylogger collection keylogger spyware stealer

Snake Keylogger

Snake Keylogger payload

Detects executables packed with SmartAssembly

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detects executables with potential process hoocking

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious use of AdjustPrivilegeToken

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-11 01:26

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-11 01:26

Reported

2024-05-11 01:29

Platform

win7-20240508-en

Max time kernel

121s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.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
N/A N/A N/A N/A
N/A N/A N/A N/A

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Detects executables packed with SmartAssembly

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Detects executables with potential process hoocking

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
N/A N/A N/A N/A
N/A N/A N/A N/A

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-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.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 2244 set thread context of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe
PID 2244 wrote to memory of 3004 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"

C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.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 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 scratchdreams.tk udp
US 172.67.169.18:443 scratchdreams.tk tcp

Files

memory/2244-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

memory/2244-1-0x00000000012F0000-0x00000000013F8000-memory.dmp

memory/2244-2-0x0000000073EB0000-0x000000007459E000-memory.dmp

memory/2244-3-0x0000000000520000-0x000000000053E000-memory.dmp

memory/2244-4-0x0000000000560000-0x0000000000570000-memory.dmp

memory/2244-5-0x00000000005B0000-0x00000000005C6000-memory.dmp

memory/2244-6-0x00000000053E0000-0x0000000005448000-memory.dmp

memory/3004-13-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-21-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-19-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-17-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/3004-11-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2244-22-0x0000000073EB0000-0x000000007459E000-memory.dmp

memory/3004-9-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-8-0x0000000000400000-0x0000000000426000-memory.dmp

memory/3004-24-0x0000000073EB0000-0x000000007459E000-memory.dmp

memory/3004-23-0x0000000073EB0000-0x000000007459E000-memory.dmp

memory/3004-25-0x0000000073EB0000-0x000000007459E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-11 01:26

Reported

2024-05-11 01:29

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects executables packed with SmartAssembly

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables with potential process hoocking

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

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-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.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 4132 set thread context of 2608 N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe"

C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.exe

"C:\Users\Admin\AppData\Local\Temp\001_080524_321342344doc.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 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 scratchdreams.tk udp
US 172.67.169.18:443 scratchdreams.tk tcp
US 8.8.8.8:53 134.177.67.172.in-addr.arpa udp
US 8.8.8.8:53 18.169.67.172.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4132-0-0x000000007515E000-0x000000007515F000-memory.dmp

memory/4132-1-0x0000000000D70000-0x0000000000E78000-memory.dmp

memory/4132-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

memory/4132-3-0x0000000005840000-0x00000000058D2000-memory.dmp

memory/4132-4-0x00000000059D0000-0x00000000059DA000-memory.dmp

memory/4132-5-0x0000000075150000-0x0000000075900000-memory.dmp

memory/4132-6-0x0000000005D00000-0x0000000005D1E000-memory.dmp

memory/4132-7-0x0000000006E90000-0x0000000006EA0000-memory.dmp

memory/4132-8-0x0000000006EC0000-0x0000000006ED6000-memory.dmp

memory/4132-9-0x0000000007190000-0x00000000071F8000-memory.dmp

memory/4132-10-0x00000000097E0000-0x000000000987C000-memory.dmp

memory/2608-11-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2608-13-0x0000000075150000-0x0000000075900000-memory.dmp

memory/4132-14-0x0000000075150000-0x0000000075900000-memory.dmp

memory/2608-15-0x0000000075150000-0x0000000075900000-memory.dmp

memory/2608-16-0x0000000075150000-0x0000000075900000-memory.dmp

memory/2608-17-0x0000000006A90000-0x0000000006AE0000-memory.dmp

memory/2608-18-0x0000000006CB0000-0x0000000006E72000-memory.dmp