snakekeylogger | 2b86bdceef870318c399cae840a7a41f7d267264c8e91e96566dee5ebda4d12e

General

Target

Sus derechos.exe
Size

758KB
MD5

2a30a6c475cac240bfb805e9e8585179
SHA1

f2d2072d9f7265af4fa7da6bc0e5f58a5128c6a6
SHA256

2b86bdceef870318c399cae840a7a41f7d267264c8e91e96566dee5ebda4d12e
SHA512

344cd58f43d84c7cf50e871d5dcc772c448483aba181cf8056d1196884630b266200576c8509e683dbdc59756ab8100459aaaf79f7d9a31549dbc14391127ef3
SSDEEP

12288:NeUJB0OAEhRgGaBJMWp+JTwdjGB1nuJGY0eUSqroDIc07tclGK3gJhZ:NH22BW8JTCRJAVZq07tclGKGD

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.cerranor.com
Port:
587
Username:
clientes@cerranor.com
Password:
RxrpS#f2
Email To:
jacga6381@gmail.com

Signatures

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

Snake Keylogger payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/572-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-71-0x0000000000730000-0x0000000000770000-memory.dmp	family_snakekeylogger
behavioral1/memory/572-72-0x0000000000730000-0x0000000000770000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Sus derechos.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sus derechos.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sus derechos.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sus derechos.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

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

Processes:

Sus derechos.exe

description pid process target process

PID 916 set thread context of 572 916 Sus derechos.exe Sus derechos.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Sus derechos.exe

pid process

572 Sus derechos.exe
572 Sus derechos.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Sus derechos.exe

pid process

572 Sus derechos.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Sus derechos.exe

description pid process

Token: SeDebugPrivilege 572 Sus derechos.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 916 set thread context of 572	916	Sus derechos.exe	Sus derechos.exe

pid	process
572	Sus derechos.exe
572	Sus derechos.exe

pid	process
572	Sus derechos.exe

description	pid	process
Token: SeDebugPrivilege	572	Sus derechos.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Sus derechos.exe

description	pid	process	target process
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe
PID 916 wrote to memory of 572	916	Sus derechos.exe	Sus derechos.exe

outlook_office_path 1 IoCs

Processes:

Sus derechos.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sus derechos.exe

outlook_win_path 1 IoCs

Processes:

Sus derechos.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Sus derechos.exe

C:\Users\Admin\AppData\Local\Temp\Sus derechos.exe
"C:\Users\Admin\AppData\Local\Temp\Sus derechos.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916

C:\Users\Admin\AppData\Local\Temp\Sus derechos.exe
"C:\Users\Admin\AppData\Local\Temp\Sus derechos.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:572

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/572-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-72-0x0000000000730000-0x0000000000770000-memory.dmp

Filesize
256KB

Download
memory/572-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-71-0x0000000000730000-0x0000000000770000-memory.dmp

Filesize
256KB

Download
memory/572-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/572-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/916-59-0x0000000007E70000-0x0000000007F10000-memory.dmp

Filesize
640KB

Download
memory/916-58-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/916-54-0x0000000000850000-0x0000000000914000-memory.dmp

Filesize
784KB

Download
memory/916-56-0x0000000000670000-0x0000000000690000-memory.dmp

Filesize
128KB

Download
memory/916-60-0x00000000007A0000-0x00000000007C8000-memory.dmp

Filesize
160KB

Download
memory/916-55-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download
memory/916-57-0x0000000004B40000-0x0000000004B80000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads