snakekeylogger | 467fc148b91e2229b4342835534e082337e14293bf346c1c17333a659abd1f0a

General

Target

20987654345678987456789.exe
Size

808KB
MD5

4e87c7097801540f52ce50ae4049ea58
SHA1

5dd7e8cc8bf7bcf31c5b14266c47903dfc67bb61
SHA256

467fc148b91e2229b4342835534e082337e14293bf346c1c17333a659abd1f0a
SHA512

2e2c1b77cc6dc0e6cb57899d3ed01a8a415864b9f34bb878efb9a387ad5c8e454b5f9fb6eb8d20f17bd6ec8bae152dc8f61719b8617f202949a605242cc7bdb6

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 3 IoCs

resource	yara_rule
behavioral1/memory/568-57-0x0000000000400000-0x000000000048B000-memory.dmp	family_snakekeylogger
behavioral1/memory/568-58-0x000000000040188B-mapping.dmp	family_snakekeylogger
behavioral1/memory/568-60-0x0000000000400000-0x000000000048B000-memory.dmp	family_snakekeylogger

Loads dropped DLL 1 IoCs

pid	Process
1232	20987654345678987456789.exe

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20987654345678987456789.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20987654345678987456789.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20987654345678987456789.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
7	freegeoip.app
8	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 568	1232	20987654345678987456789.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
568	20987654345678987456789.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	20987654345678987456789.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28
PID 1232 wrote to memory of 568	1232	20987654345678987456789.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20987654345678987456789.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	20987654345678987456789.exe

C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe
"C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe
  "C:\Users\Admin\AppData\Local\Temp\20987654345678987456789.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/568-57-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/568-60-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/568-61-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/568-63-0x00000000002A2000-0x00000000002A4000-memory.dmp

Filesize
8KB

Download
memory/568-62-0x00000000002A1000-0x00000000002A2000-memory.dmp

Filesize
4KB

Download
memory/568-64-0x00000000002A7000-0x00000000002A8000-memory.dmp

Filesize
4KB

Download
memory/568-65-0x00000000002A8000-0x00000000002A9000-memory.dmp

Filesize
4KB

Download
memory/1232-55-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download

Analysis

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