snakekeylogger | 7ed99eb3221d685130ac3695222e9025dd62e2880f3af360140ef1d0532e80e3

General

Target

Vessels details.exe
Size

374KB
MD5

c6184a0858570ab06401a2d9a7abb84c
SHA1

5db26522798afbc174087c44fa4a7c233b4eb9b1
SHA256

7ed99eb3221d685130ac3695222e9025dd62e2880f3af360140ef1d0532e80e3
SHA512

ed45fa036778c55f1e632414feeaa7af6fbf201149ddd9082a6067a4622cf6ea7dc580c0cee60330bdb3c360566b57c898013c940edf33d231c1222d3852fa77
SSDEEP

6144:DN7zMdPae0pRMF3Ngd/hXQyKuJ9pcalfJZiiMPvhliJ4N+CvacHp6+7ojLQJzS7M:4aRcdMxpIiUHPw4Hp2jLOu7vJRQ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.yandex.com
Port:
587
Username:
[email protected]
Password:
chijiokejackson121

C2

https://api.telegram.org/bot5206100572:AAFn3MxBuN0bjQhfY8y1ed9Iwi79LyIe75I/sendMessage?chat_id=2135869667

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/2808-15-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-21-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-23-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2808-25-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe

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:

Vessels details.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	Vessels details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessels details.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessels details.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:

Vessels details.exe

description pid process target process

PID 1988 set thread context of 2808 1988 Vessels details.exe Vessels details.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exeVessels details.exe

pid process

1508 Powershell.exe
2808 Vessels details.exe
2808 Vessels details.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeVessels details.exe

description pid process

Token: SeDebugPrivilege 1508 Powershell.exe
Token: SeDebugPrivilege 2808 Vessels details.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1988 set thread context of 2808	1988	Vessels details.exe	Vessels details.exe

pid	process
1508	Powershell.exe
2808	Vessels details.exe
2808	Vessels details.exe

description	pid	process
Token: SeDebugPrivilege	1508	Powershell.exe
Token: SeDebugPrivilege	2808	Vessels details.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Vessels details.exe

description	pid	process	target process
PID 1988 wrote to memory of 1508	1988	Vessels details.exe	Powershell.exe
PID 1988 wrote to memory of 1508	1988	Vessels details.exe	Powershell.exe
PID 1988 wrote to memory of 1508	1988	Vessels details.exe	Powershell.exe
PID 1988 wrote to memory of 1508	1988	Vessels details.exe	Powershell.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe
PID 1988 wrote to memory of 2808	1988	Vessels details.exe	Vessels details.exe

outlook_office_path 1 IoCs

Processes:

Vessels details.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	Vessels details.exe

outlook_win_path 1 IoCs

Processes:

Vessels details.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	Vessels details.exe

C:\Users\Admin\AppData\Local\Temp\Vessels details.exe
"C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Vessels details.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508

C:\Users\Admin\AppData\Local\Temp\Vessels details.exe
"C:\Users\Admin\AppData\Local\Temp\Vessels details.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2808

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/1508-5-0x0000000070640000-0x0000000070BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1508-6-0x0000000070640000-0x0000000070BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1508-7-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1508-8-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1508-9-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1508-30-0x0000000070640000-0x0000000070BEB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-26-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/1988-2-0x00000000004C0000-0x0000000000516000-memory.dmp

Filesize
344KB

Download
memory/1988-10-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/1988-0-0x0000000000E10000-0x0000000000E74000-memory.dmp

Filesize
400KB

Download
memory/2808-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-23-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-25-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-27-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-28-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download
memory/2808-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2808-31-0x00000000749C0000-0x00000000750AE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-32-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads