snakekeylogger | aa733006f49afe10de1ea472aba0b3e8e8192bc59d3a3b244d6953d493e57be9

General

Target

SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2712-12-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2712-17-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2712-26-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2712-23-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2712-19-0x0000000000090000-0x00000000000B6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2712-11-0x0000000000090000-0x00000000000B6000-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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\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

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

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe

description pid process target process

PID 2020 set thread context of 2712 2020 SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2712 RegAsm.exe
2712 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2712 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2020 set thread context of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe

pid	process
2712	RegAsm.exe
2712	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2712	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe

description	pid	process	target process
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe
PID 2020 wrote to memory of 2712	2020	SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\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-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.26527.9245.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020

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:2712

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

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Downloads

memory/2020-0-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-1-0x00000000000E0000-0x0000000000150000-memory.dmp

Filesize
448KB

Download
memory/2020-2-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/2020-3-0x0000000000590000-0x00000000005E4000-memory.dmp

Filesize
336KB

Download
memory/2020-4-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-5-0x0000000002190000-0x00000000021D0000-memory.dmp

Filesize
256KB

Download
memory/2020-6-0x00000000005E0000-0x00000000005E8000-memory.dmp

Filesize
32KB

Download
memory/2020-18-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2712-9-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-12-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-17-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-26-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-23-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-19-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-7-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download
memory/2712-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-11-0x0000000000090000-0x00000000000B6000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads