Malware Analysis Report

2025-08-05 12:54

Sample ID 230803-t89ycafg6s
Target 4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe
SHA256 4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852
Tags
snakekeylogger keylogger stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852

Threat Level: Known bad

The file 4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe was found to be: Known bad.

Malicious Activity Summary

snakekeylogger keylogger stealer

Snake Keylogger

Snake Keylogger payload

Looks up external IP address via web service

Suspicious use of SetThreadContext

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-03 16:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-03 16:44

Reported

2023-08-03 16:47

Platform

win7-20230712-en

Max time kernel

120s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.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

Looks up external IP address via web service

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

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 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1444 wrote to memory of 524 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 524 wrote to memory of 2924 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\WerFault.exe
PID 524 wrote to memory of 2924 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\WerFault.exe
PID 524 wrote to memory of 2924 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\WerFault.exe
PID 524 wrote to memory of 2924 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe"

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

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 1584

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
US 193.122.130.0:80 checkip.dyndns.org tcp
US 8.8.8.8:53 freegeoip.app udp
US 188.114.96.0:443 freegeoip.app tcp
US 8.8.8.8:53 ipbase.com udp
US 99.83.231.61:443 ipbase.com tcp

Files

memory/1444-54-0x0000000000350000-0x00000000003C0000-memory.dmp

memory/1444-55-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/1444-56-0x00000000001F0000-0x0000000000248000-memory.dmp

memory/1444-57-0x00000000049E0000-0x0000000004A20000-memory.dmp

memory/1444-58-0x0000000000270000-0x0000000000284000-memory.dmp

memory/1444-59-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/1444-60-0x00000000049E0000-0x0000000004A20000-memory.dmp

memory/1444-61-0x0000000005980000-0x00000000059F2000-memory.dmp

memory/1444-62-0x0000000000930000-0x0000000000956000-memory.dmp

memory/524-63-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-64-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-65-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-66-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/524-69-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-71-0x0000000000400000-0x0000000000426000-memory.dmp

memory/524-74-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1444-73-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/524-75-0x00000000743D0000-0x0000000074ABE000-memory.dmp

memory/524-76-0x00000000049D0000-0x0000000004A10000-memory.dmp

memory/524-77-0x00000000743D0000-0x0000000074ABE000-memory.dmp

memory/524-78-0x00000000049D0000-0x0000000004A10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-03 16:44

Reported

2023-08-03 16:47

Platform

win10v2004-20230703-en

Max time kernel

126s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

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

Looks up external IP address via web service

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

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 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 5040 wrote to memory of 4404 N/A C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\4ea05268962825997751d50f975c217ee9e5cde265fefa4a5335ef2f39730852exe_JC.exe"

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

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4404 -ip 4404

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 1780

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 freegeoip.app udp
US 188.114.97.0:443 freegeoip.app tcp
US 8.8.8.8:53 ipbase.com udp
US 75.2.60.5:443 ipbase.com tcp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 0.97.114.188.in-addr.arpa udp
US 8.8.8.8:53 5.60.2.75.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 254.5.248.8.in-addr.arpa udp
US 8.8.8.8:53 126.130.241.8.in-addr.arpa udp

Files

memory/5040-133-0x00000000005F0000-0x0000000000660000-memory.dmp

memory/5040-134-0x0000000074D80000-0x0000000075530000-memory.dmp

memory/5040-135-0x0000000009B40000-0x000000000A0E4000-memory.dmp

memory/5040-136-0x0000000005210000-0x00000000052A2000-memory.dmp

memory/5040-137-0x00000000052B0000-0x000000000534C000-memory.dmp

memory/5040-138-0x0000000005200000-0x0000000005210000-memory.dmp

memory/5040-139-0x0000000005160000-0x000000000516A000-memory.dmp

memory/5040-140-0x0000000074D80000-0x0000000075530000-memory.dmp

memory/5040-141-0x0000000005200000-0x0000000005210000-memory.dmp

memory/4404-142-0x0000000000400000-0x0000000000426000-memory.dmp

memory/5040-145-0x0000000074D80000-0x0000000075530000-memory.dmp

memory/4404-144-0x0000000074D80000-0x0000000075530000-memory.dmp

memory/4404-146-0x0000000005330000-0x0000000005340000-memory.dmp

memory/4404-147-0x0000000074D80000-0x0000000075530000-memory.dmp