snakekeylogger | 42d11fcf344c2f8cb8fd63240daa70cf0f554a07ead3623b9f0a2c643b56d41a

General

Target

6fda181a2675c3faf76877eb5baa9057.exe
Size

667KB
MD5

6fda181a2675c3faf76877eb5baa9057
SHA1

c495f44b7a1354abecb1f211ccb2c26faa7b2999
SHA256

42d11fcf344c2f8cb8fd63240daa70cf0f554a07ead3623b9f0a2c643b56d41a
SHA512

b96ed9851d1a045e45c69c37331d71834cd64347e61b9111c803202c39d02cde4288bef2b96bbfac8dfe927797bccc87a3b7ca9f39f89a4594dab7f8bfa8da41
SSDEEP

12288:IaElB589TN+cOTpAj48Re5yMutyyqaEJ1VR6ePxM/vDH1Qxer:a7589TMbpAEP5yM6NEJ1zPkvD

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\6v4BPn366QF57i2z\\WbYeAIxY5CR8.exe\",explorer.exe"	6fda181a2675c3faf76877eb5baa9057.exe

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

Snake Keylogger payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1224-59-0x0000000004550000-0x00000000045A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/1528-63-0x0000000000400000-0x0000000000456000-memory.dmp	family_snakekeylogger
behavioral1/memory/1528-65-0x0000000000400000-0x0000000000456000-memory.dmp	family_snakekeylogger
behavioral1/memory/1528-66-0x0000000000400000-0x0000000000456000-memory.dmp	family_snakekeylogger
behavioral1/memory/1528-67-0x00000000004206EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1528-69-0x0000000000400000-0x0000000000456000-memory.dmp	family_snakekeylogger
behavioral1/memory/1528-71-0x0000000000400000-0x0000000000456000-memory.dmp	family_snakekeylogger

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

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fda181a2675c3faf76877eb5baa9057.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fda181a2675c3faf76877eb5baa9057.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fda181a2675c3faf76877eb5baa9057.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description pid process target process

PID 1224 set thread context of 1528 1224 6fda181a2675c3faf76877eb5baa9057.exe 6fda181a2675c3faf76877eb5baa9057.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe6fda181a2675c3faf76877eb5baa9057.exe

pid process

1224 6fda181a2675c3faf76877eb5baa9057.exe
1528 6fda181a2675c3faf76877eb5baa9057.exe
1528 6fda181a2675c3faf76877eb5baa9057.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1224 set thread context of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe

pid	process
1224	6fda181a2675c3faf76877eb5baa9057.exe
1528	6fda181a2675c3faf76877eb5baa9057.exe
1528	6fda181a2675c3faf76877eb5baa9057.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe6fda181a2675c3faf76877eb5baa9057.exe

description	pid	process
Token: SeDebugPrivilege	1224	6fda181a2675c3faf76877eb5baa9057.exe
Token: SeDebugPrivilege	1224	6fda181a2675c3faf76877eb5baa9057.exe
Token: SeDebugPrivilege	1528	6fda181a2675c3faf76877eb5baa9057.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description	pid	process	target process
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe
PID 1224 wrote to memory of 1528	1224	6fda181a2675c3faf76877eb5baa9057.exe	6fda181a2675c3faf76877eb5baa9057.exe

outlook_office_path 1 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fda181a2675c3faf76877eb5baa9057.exe

outlook_win_path 1 IoCs

Processes:

6fda181a2675c3faf76877eb5baa9057.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fda181a2675c3faf76877eb5baa9057.exe

C:\Users\Admin\AppData\Local\Temp\6fda181a2675c3faf76877eb5baa9057.exe
"C:\Users\Admin\AppData\Local\Temp\6fda181a2675c3faf76877eb5baa9057.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224

C:\Users\Admin\AppData\Local\Temp\6fda181a2675c3faf76877eb5baa9057.exe
"C:\Users\Admin\AppData\Local\Temp\6fda181a2675c3faf76877eb5baa9057.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1224-54-0x0000000000FA0000-0x000000000104C000-memory.dmp

Filesize
688KB

Download
memory/1224-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

Download
memory/1224-56-0x0000000000E05000-0x0000000000E16000-memory.dmp

Filesize
68KB

Download
memory/1224-57-0x0000000000E05000-0x0000000000E16000-memory.dmp

Filesize
68KB

Download
memory/1224-58-0x0000000000B60000-0x0000000000B9C000-memory.dmp

Filesize
240KB

Download
memory/1224-59-0x0000000004550000-0x00000000045A6000-memory.dmp

Filesize
344KB

Download
memory/1528-60-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-61-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-63-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-65-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-66-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-67-0x00000000004206EE-mapping.dmp

Download
memory/1528-69-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1528-71-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads