snakekeylogger | 0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294

General

Target

Design.bat.exe
Size

432KB
MD5

b14e49dd5671ae89f3624ad7561731af
SHA1

b2aa05a7ad52059560755fa04439413afe184ca3
SHA256

0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294
SHA512

b803330db90b127e178abf83227ddf8f59e00d4929c686f33f6ab9be1806fb15cbca47ff3f058f20fc3d8b0afe2ddefb0b9cdcc502d22a91d2957449774d38ee
SSDEEP

12288:yD7gUiVHOazGypq9Q/NGbEP2a6JYrOiqot:nHOazTNYEz6c

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352

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/1148-9-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1148-11-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/1148-19-0x0000000000400000-0x0000000000424000-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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\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:

Design.bat.exe

description pid process target process

PID 2192 set thread context of 1148 2192 Design.bat.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1148 RegAsm.exe
1148 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1148 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2192 set thread context of 1148	2192	Design.bat.exe	RegAsm.exe

pid	process
1148	RegAsm.exe
1148	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1148	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Design.bat.exe

description	pid	process	target process
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe
PID 2192 wrote to memory of 1148	2192	Design.bat.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Design.bat.exe
"C:\Users\Admin\AppData\Local\Temp\Design.bat.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2192

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:1148

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/1148-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1148-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-9-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-5-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1148-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2192-1-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-0-0x00000000001F0000-0x0000000000262000-memory.dmp

Filesize
456KB

Download
memory/2192-4-0x00000000040F0000-0x00000000040FA000-memory.dmp

Filesize
40KB

Download
memory/2192-3-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/2192-2-0x0000000005390000-0x00000000053E4000-memory.dmp

Filesize
336KB

Download
memory/2192-20-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads