Malware Analysis Report

2025-04-03 14:12

Sample ID 241104-w87jbsvdpc
Target a8b9db65953cde05c576daf4b32b6088a16b33ac96345c2de1b117fb0922134d
SHA256 a8b9db65953cde05c576daf4b32b6088a16b33ac96345c2de1b117fb0922134d
Tags
snakekeylogger collection discovery 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

a8b9db65953cde05c576daf4b32b6088a16b33ac96345c2de1b117fb0922134d

Threat Level: Known bad

The file a8b9db65953cde05c576daf4b32b6088a16b33ac96345c2de1b117fb0922134d was found to be: Known bad.

Malicious Activity Summary

snakekeylogger collection discovery keylogger spyware stealer

Snakekeylogger family

Snake Keylogger payload

Snake Keylogger

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

outlook_office_path

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 18:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 18:36

Reported

2024-11-04 18:39

Platform

win7-20240903-en

Max time kernel

119s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Transferencia.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

Snakekeylogger family

snakekeylogger

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.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:\Users\Admin\AppData\Local\Temp\Transferencia.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:\Users\Admin\AppData\Local\Temp\Transferencia.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 1800 set thread context of 2812 N/A C:\Users\Admin\AppData\Local\Temp\Transferencia.exe C:\Users\Admin\AppData\Local\Temp\Transferencia.exe

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\Transferencia.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A

Suspicious use of AdjustPrivilegeToken

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

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:\Users\Admin\AppData\Local\Temp\Transferencia.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:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A

Processes

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

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

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

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

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 reallyfreegeoip.org udp
US 104.21.67.152:443 reallyfreegeoip.org tcp

Files

memory/1800-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/1800-1-0x0000000000FB0000-0x000000000105C000-memory.dmp

memory/1800-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/1800-3-0x0000000000360000-0x000000000037C000-memory.dmp

memory/1800-4-0x00000000746FE000-0x00000000746FF000-memory.dmp

memory/1800-5-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/1800-6-0x0000000000400000-0x0000000000468000-memory.dmp

memory/2812-7-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-21-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-19-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-17-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2812-13-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-11-0x0000000000400000-0x0000000000426000-memory.dmp

memory/2812-9-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1800-23-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2812-22-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2812-24-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2812-25-0x00000000746F0000-0x0000000074DDE000-memory.dmp

memory/2812-26-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 18:36

Reported

2024-11-04 18:39

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

153s

Command Line

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

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

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

Snakekeylogger family

snakekeylogger

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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.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 3240 set thread context of 4012 N/A C:\Users\Admin\AppData\Local\Temp\Transferencia.exe C:\Users\Admin\AppData\Local\Temp\Transferencia.exe

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\Transferencia.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A

Suspicious use of AdjustPrivilegeToken

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Transferencia.exe N/A

Processes

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

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

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

"C:\Users\Admin\AppData\Local\Temp\Transferencia.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.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 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 152.67.21.104.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/3240-0-0x000000007474E000-0x000000007474F000-memory.dmp

memory/3240-1-0x0000000000090000-0x000000000013C000-memory.dmp

memory/3240-2-0x00000000050E0000-0x0000000005684000-memory.dmp

memory/3240-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp

memory/3240-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/3240-5-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

memory/3240-6-0x0000000004E10000-0x0000000004EAC000-memory.dmp

memory/3240-7-0x0000000004F40000-0x0000000004F5C000-memory.dmp

memory/3240-8-0x000000007474E000-0x000000007474F000-memory.dmp

memory/3240-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/3240-10-0x0000000004550000-0x00000000045B8000-memory.dmp

memory/4012-11-0x0000000000400000-0x0000000000426000-memory.dmp

memory/4012-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/3240-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/4012-15-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/4012-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/4012-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/4012-18-0x0000000006280000-0x00000000062D0000-memory.dmp

memory/4012-19-0x00000000064A0000-0x0000000006662000-memory.dmp