snakekeylogger | aa733006f49afe10de1ea472aba0b3e8e8192bc59d3a3b244d6953d493e57be9

General

Target

SecuriteInfo.com.Win32.CrypterX-gen.26527.exe
Size

430KB
MD5

78d347cdf5e45af486ca6fcc2756651b
SHA1

dbc6a1164eb07611944040d9091113568a7588ef
SHA256

aa733006f49afe10de1ea472aba0b3e8e8192bc59d3a3b244d6953d493e57be9
SHA512

f8fd694d60da9ac464ce5ed92ff9f8c86701b599869a075ec384a7ee9831f4f289e8e22b9bbbe8a61445cdfc43f2b436ebda562cec01ba2b5227390c77824f50
SSDEEP

12288:+lQjc/wxiNUzmVFLLUB6A9nTPGWlQB/LVDquaLXQoTNF:3eUYUzmVDALGWlQxLVHa7xT

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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2584-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-20-0x0000000000400000-0x0000000000426000-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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Office\15.0\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

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

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.26527.exe

description pid process target process

PID 2344 set thread context of 2584 2344 SecuriteInfo.com.Win32.CrypterX-gen.26527.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2584 RegAsm.exe
2584 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2584 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2344 set thread context of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe

pid	process
2584	RegAsm.exe
2584	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2584	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.26527.exe

description	pid	process	target process
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe
PID 2344 wrote to memory of 2584	2344	SecuriteInfo.com.Win32.CrypterX-gen.26527.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.26527.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.26527.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2344

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:2584

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/2344-17-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-4-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-3-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2344-2-0x0000000000730000-0x0000000000784000-memory.dmp

Filesize
336KB

Download
memory/2344-0-0x0000000000BB0000-0x0000000000C20000-memory.dmp

Filesize
448KB

Download
memory/2344-5-0x0000000002130000-0x0000000002170000-memory.dmp

Filesize
256KB

Download
memory/2344-1-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/2344-6-0x0000000000450000-0x0000000000458000-memory.dmp

Filesize
32KB

Download
memory/2584-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads