Malware Analysis Report

2024-10-18 23:14

Sample ID 240509-ar9rgagb8x
Target 7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384
SHA256 7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384
Tags
snakekeylogger collection 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

7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384

Threat Level: Known bad

The file 7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384 was found to be: Known bad.

Malicious Activity Summary

snakekeylogger collection keylogger stealer

Snake Keylogger

Snake Keylogger payload

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

Detects executables packed with or use KoiVM

Detects executables with potential process hoocking

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

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

outlook_win_path

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 00:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 00:27

Reported

2024-05-09 00:30

Platform

win7-20240221-en

Max time kernel

120s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.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 or use KoiVM

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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 2264 set thread context of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2264 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\system32\WerFault.exe
PID 2264 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\system32\WerFault.exe
PID 2264 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\system32\WerFault.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe

"C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2264 -s 668

Network

Country Destination Domain Proto
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 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/2264-0-0x000007FEF51A3000-0x000007FEF51A4000-memory.dmp

memory/2264-1-0x0000000000C50000-0x0000000000C7C000-memory.dmp

memory/2264-2-0x000000001A7D0000-0x000000001A84C000-memory.dmp

memory/2264-3-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2240-6-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-15-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-13-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2240-10-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-8-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-4-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-17-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2240-18-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

memory/2240-19-0x0000000073EE0000-0x00000000745CE000-memory.dmp

memory/2264-20-0x000007FEF51A3000-0x000007FEF51A4000-memory.dmp

memory/2264-21-0x000007FEF51A0000-0x000007FEF5B8C000-memory.dmp

memory/2240-22-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

memory/2240-23-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 00:27

Reported

2024-05-09 00:30

Platform

win10v2004-20240508-en

Max time kernel

105s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.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 or use KoiVM

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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 2460 set thread context of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

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 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 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 1844 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2460 wrote to memory of 4980 N/A C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000\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\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe

"C:\Users\Admin\AppData\Local\Temp\7944954d9b100ce2c3b87ac1cfbdcb0ae90c2ae3b6167c472de6ee564d368384.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 168.6.122.193.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.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 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 30.243.111.52.in-addr.arpa udp

Files

memory/2460-0-0x00000226E91A0000-0x00000226E91CC000-memory.dmp

memory/2460-1-0x00007FFE579D3000-0x00007FFE579D5000-memory.dmp

memory/2460-2-0x00000226EB740000-0x00000226EB7BC000-memory.dmp

memory/2460-3-0x00007FFE579D0000-0x00007FFE58491000-memory.dmp

memory/1844-4-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1844-5-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

memory/1844-6-0x00000000054C0000-0x0000000005A64000-memory.dmp

memory/1844-7-0x0000000004F10000-0x0000000004FAC000-memory.dmp

memory/1844-8-0x0000000074D50000-0x0000000075500000-memory.dmp

memory/2460-9-0x00007FFE579D0000-0x00007FFE58491000-memory.dmp

memory/1844-10-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

memory/1844-11-0x0000000074D50000-0x0000000075500000-memory.dmp

memory/1844-12-0x00000000060D0000-0x0000000006120000-memory.dmp

memory/1844-13-0x00000000062F0000-0x00000000064B2000-memory.dmp

memory/1844-14-0x00000000061C0000-0x0000000006252000-memory.dmp

memory/1844-15-0x0000000006150000-0x000000000615A000-memory.dmp