snakekeylogger | 622b255f7552f990c5d1f97c3ec9fad77b589b88961deec7b691794d81a7b9b4

General

Target

sun.exe
Size

1.1MB
MD5

535fa9072ad404e7f39b1adb9f83c780
SHA1

baa36efbfc5732e2dbc9d5e07a7ad0d255bb4fbe
SHA256

622b255f7552f990c5d1f97c3ec9fad77b589b88961deec7b691794d81a7b9b4
SHA512

516f52cd2dda7a1f4fd6693f9080e3ffac63ba3b2882d92f65746cf134283a66c4675375483772add15416c616f98c05d7e250bb9ca1c63229b1def71cd9b8e0

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4048-18-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/4048-19-0x00000000004643AE-mapping.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 checkip.dyndns.org
14 freegeoip.app
15 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

sun.exe

description pid process target process

PID 732 set thread context of 4048 732 sun.exe sun.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Powershell.exesun.exe

pid process

2788 Powershell.exe
4048 sun.exe
2788 Powershell.exe
2788 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exesun.exe

description pid process

Token: SeDebugPrivilege 2788 Powershell.exe
Token: SeDebugPrivilege 4048 sun.exe

flow	ioc
11	checkip.dyndns.org
14	freegeoip.app
15	freegeoip.app

description	pid	process	target process
PID 732 set thread context of 4048	732	sun.exe	sun.exe

pid	process
2788	Powershell.exe
4048	sun.exe
2788	Powershell.exe
2788	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	2788	Powershell.exe
Token: SeDebugPrivilege	4048	sun.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

sun.exe

description	pid	process	target process
PID 732 wrote to memory of 2788	732	sun.exe	Powershell.exe
PID 732 wrote to memory of 2788	732	sun.exe	Powershell.exe
PID 732 wrote to memory of 2788	732	sun.exe	Powershell.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe
PID 732 wrote to memory of 4048	732	sun.exe	sun.exe

C:\Users\Admin\AppData\Local\Temp\sun.exe
"C:\Users\Admin\AppData\Local\Temp\sun.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:732

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\sun.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788

C:\Users\Admin\AppData\Local\Temp\sun.exe
"C:\Users\Admin\AppData\Local\Temp\sun.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/732-2-0x00000000730E0000-0x00000000737CE000-memory.dmp

Filesize
6.9MB

Download
memory/732-3-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/732-5-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/732-6-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/732-7-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/732-8-0x00000000088D0000-0x00000000088D1000-memory.dmp

Filesize
4KB

Download
memory/732-9-0x00000000088B0000-0x00000000088B1000-memory.dmp

Filesize
4KB

Download
memory/732-10-0x0000000008990000-0x0000000008A21000-memory.dmp

Filesize
580KB

Download
memory/732-11-0x0000000008A30000-0x0000000008A31000-memory.dmp

Filesize
4KB

Download
memory/732-12-0x0000000008E60000-0x0000000008E61000-memory.dmp

Filesize
4KB

Download
memory/732-17-0x0000000008DD0000-0x0000000008DDF000-memory.dmp

Filesize
60KB

Download
memory/2788-15-0x0000000006F80000-0x0000000006F81000-memory.dmp

Filesize
4KB

Download
memory/2788-29-0x0000000007D90000-0x0000000007D91000-memory.dmp

Filesize
4KB

Download
memory/2788-16-0x00000000075F0000-0x00000000075F1000-memory.dmp

Filesize
4KB

Download
memory/2788-13-0x0000000000000000-mapping.dmp

Download
memory/2788-37-0x0000000009630000-0x0000000009631000-memory.dmp

Filesize
4KB

Download
memory/2788-36-0x00000000093C0000-0x00000000093C1000-memory.dmp

Filesize
4KB

Download
memory/2788-35-0x00000000096D0000-0x00000000096D1000-memory.dmp

Filesize
4KB

Download
memory/2788-22-0x0000000007C60000-0x0000000007C61000-memory.dmp

Filesize
4KB

Download
memory/2788-24-0x0000000007D00000-0x0000000007D01000-memory.dmp

Filesize
4KB

Download
memory/2788-26-0x0000000007DE0000-0x0000000007DE1000-memory.dmp

Filesize
4KB

Download
memory/2788-14-0x00000000730E0000-0x00000000737CE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-30-0x0000000008940000-0x0000000008941000-memory.dmp

Filesize
4KB

Download
memory/4048-32-0x0000000006A10000-0x0000000006A11000-memory.dmp

Filesize
4KB

Download
memory/4048-20-0x00000000730E0000-0x00000000737CE000-memory.dmp

Filesize
6.9MB

Download
memory/4048-19-0x00000000004643AE-mapping.dmp

Download
memory/4048-18-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads