snakekeylogger | fd3215fd4bcb33f2149cd4bed63011c2b992b5a008cdd289559031741e8a3089

General

Target

Max.exe
Size

772KB
MD5

770f963943fae86ad2fb95533defae2d
SHA1

efadeaa28fe3c30e1224d41836b40666f9f5cd38
SHA256

fd3215fd4bcb33f2149cd4bed63011c2b992b5a008cdd289559031741e8a3089
SHA512

ae6480f80555dd6ed6dd8780d9faf4b0b3ba21a8b3f0ff50c73a5d38fa930ddc34e09ee0aaeb208c08d334b7404ab854478e1a39f929a496835e21de50a052c5
SSDEEP

12288:ZJpHCmbiNIwP7BpD1tM2MH6YZLuKw3WDJV733EgpAbSVv8Ipch:VCFPNpD1tM2MTZLEwV

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4660-11-0x0000000000430000-0x0000000000456000-memory.dmp	family_snakekeylogger

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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

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

Processes:

Max.exe

description pid process target process

PID 872 set thread context of 4660 872 Max.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegAsm.exe

pid process

4660 RegAsm.exe
4660 RegAsm.exe
4660 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4660 RegAsm.exe

flow	ioc
40	checkip.dyndns.org

description	pid	process	target process
PID 872 set thread context of 4660	872	Max.exe	RegAsm.exe

pid	process
4660	RegAsm.exe
4660	RegAsm.exe
4660	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4660	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Max.exe

description	pid	process	target process
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe
PID 872 wrote to memory of 4660	872	Max.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Max.exe
"C:\Users\Admin\AppData\Local\Temp\Max.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/872-7-0x0000000005A20000-0x0000000005A28000-memory.dmp

Filesize
32KB

Download
memory/872-4-0x0000000005F20000-0x00000000064C4000-memory.dmp

Filesize
5.6MB

Download
memory/872-1-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/872-5-0x0000000005A50000-0x0000000005AE2000-memory.dmp

Filesize
584KB

Download
memory/872-3-0x0000000005920000-0x0000000005974000-memory.dmp

Filesize
336KB

Download
memory/872-2-0x00000000058A0000-0x00000000058B0000-memory.dmp

Filesize
64KB

Download
memory/872-6-0x0000000005B90000-0x0000000005C2C000-memory.dmp

Filesize
624KB

Download
memory/872-10-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/872-0-0x0000000000ED0000-0x0000000000F96000-memory.dmp

Filesize
792KB

Download
memory/4660-18-0x0000000005D30000-0x0000000005D3A000-memory.dmp

Filesize
40KB

Download
memory/4660-8-0x0000000000420000-0x0000000000422000-memory.dmp

Filesize
8KB

Download
memory/4660-13-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/4660-11-0x0000000000430000-0x0000000000456000-memory.dmp

Filesize
152KB

Download
memory/4660-14-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/4660-15-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/4660-16-0x0000000005CB0000-0x0000000005D00000-memory.dmp

Filesize
320KB

Download
memory/4660-17-0x0000000005ED0000-0x0000000006092000-memory.dmp

Filesize
1.8MB

Download
memory/4660-12-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads