snakekeylogger | 43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6

General

Target

SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe
Size

772KB
MD5

9bd66412d037cb407c592e51959e0891
SHA1

09001b50005ec0688d11e16d395b8d5e323222ee
SHA256

43a5ebb280e2770fe10bbb4e598c80456f8fd86b720cf50ecef20d7fbc1423b6
SHA512

5b43737aafe2956be73f4a8e9f808339374fe068615f271ce432e9836b6356244646285e66158d9090e3bbfb47f4f3432878f35b09d358414ddde210da2d9593
SSDEEP

12288:dJpHCmbiNIwPBCIBpD1tM2MH6YZLuKw3WDJV733EgpAYSjAz2Mc2:ZCFPnpD1tM2MTZLEncS

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/4228-8-0x0000000000400000-0x0000000000426000-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-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\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

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

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe

description pid process target process

PID 2352 set thread context of 4228 2352 SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4228 RegAsm.exe
4228 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4228 RegAsm.exe

flow	ioc
58	checkip.dyndns.org

description	pid	process	target process
PID 2352 set thread context of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe

pid	process
4228	RegAsm.exe
4228	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4228	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe

description	pid	process	target process
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe
PID 2352 wrote to memory of 4228	2352	SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\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-1-5-21-2398549320-3657759451-817663969-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader46.44014.21306.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2352

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:4228

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/2352-10-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/2352-1-0x0000000000FB0000-0x0000000001076000-memory.dmp

Filesize
792KB

Download
memory/2352-2-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download
memory/2352-3-0x00000000059E0000-0x0000000005A34000-memory.dmp

Filesize
336KB

Download
memory/2352-4-0x0000000006030000-0x00000000065D4000-memory.dmp

Filesize
5.6MB

Download
memory/2352-5-0x0000000005B30000-0x0000000005BC2000-memory.dmp

Filesize
584KB

Download
memory/2352-6-0x0000000005C70000-0x0000000005D0C000-memory.dmp

Filesize
624KB

Download
memory/2352-7-0x0000000005B00000-0x0000000005B08000-memory.dmp

Filesize
32KB

Download
memory/2352-0-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/4228-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4228-11-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/4228-12-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/4228-13-0x0000000075380000-0x0000000075B30000-memory.dmp

Filesize
7.7MB

Download
memory/4228-14-0x0000000005360000-0x0000000005370000-memory.dmp

Filesize
64KB

Download
memory/4228-15-0x0000000002730000-0x0000000002780000-memory.dmp

Filesize
320KB

Download
memory/4228-16-0x00000000063D0000-0x0000000006592000-memory.dmp

Filesize
1.8MB

Download
memory/4228-17-0x00000000055F0000-0x00000000055FA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads