snakekeylogger | b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea

General

Target

NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe
Size

367KB
MD5

1e6ef4467d814dc8ef08e1ba7bf679d8
SHA1

f68db8dafc9af7777f879f3f6e64ea598b750fb9
SHA256

b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea
SHA512

2355aa0fd4c1e3fc2f3f11592e9ee58f893e4acfd8205d5542fa5da5c79bd4e9b70e261828a8210bfd972117d4c9200fdab5cbb6e1730f1abae24c94e6067ad5
SSDEEP

6144:yAY8QgjL2G3BjVEOFOFAbApunj+whXQ8kSU7h9NBoRM8Xaqegmc8KCx74L:B73wFAbApCj+cESM0M8X0xc8KykL

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.belt-tech.com.my
Port:
587
Username:
[email protected]
Password:
Beltechpg@1234
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4144-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/4144-13-0x0000000005AB0000-0x0000000005AC0000-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-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\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

53 checkip.dyndns.org

flow	ioc
53	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe

description	pid	process	target process
PID 2924 set thread context of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4144 RegAsm.exe
4144 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4144 RegAsm.exe

pid	process
4144	RegAsm.exe
4144	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4144	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe

description	pid	process	target process
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe
PID 2924 wrote to memory of 4144	2924	NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\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-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b0b23fc04103747a567f6233dfaee3bc9405ec84550ace32acfcd66a57d104ea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2924

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:4144

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

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Downloads

memory/2924-8-0x0000000005B70000-0x0000000005B7A000-memory.dmp

Filesize
40KB

Download
memory/2924-2-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/2924-1-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/2924-11-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/2924-4-0x0000000005860000-0x00000000058B4000-memory.dmp

Filesize
336KB

Download
memory/2924-5-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/2924-7-0x0000000005C10000-0x0000000005CAC000-memory.dmp

Filesize
624KB

Download
memory/2924-6-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/2924-3-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/2924-0-0x0000000000D60000-0x0000000000DC2000-memory.dmp

Filesize
392KB

Download
memory/4144-18-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/4144-12-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4144-13-0x0000000005AB0000-0x0000000005AC0000-memory.dmp

Filesize
64KB

Download
memory/4144-14-0x0000000006940000-0x0000000006990000-memory.dmp

Filesize
320KB

Download
memory/4144-15-0x0000000006B60000-0x0000000006D22000-memory.dmp

Filesize
1.8MB

Download
memory/4144-16-0x00000000069D0000-0x00000000069DA000-memory.dmp

Filesize
40KB

Download
memory/4144-17-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4144-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads