snakekeylogger | 83a5ba65b562afb66309deae1567c919f0e08de04e2c00bb85c55102fe023b0b

General

Target

2345678098765T4323456789.exe
Size

793KB
MD5

586d514ada28e25a81dd21501de799d1
SHA1

3607a32f3d47cbde3587aeaa3132c350a1ef4afd
SHA256

83a5ba65b562afb66309deae1567c919f0e08de04e2c00bb85c55102fe023b0b
SHA512

9169d7de350007efe423d31200ccb9505b598855af2fbfdf51dbffede53f1301e5cb93ceef4ca4901c8d65fcf42a04851c9c648a0454a5c7860a6e6f83f4a1b7

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
behavioral2/memory/3988-116-0x0000000000400000-0x000000000048B000-memory.dmp	family_snakekeylogger
behavioral2/memory/3988-117-0x000000000040188B-mapping.dmp	family_snakekeylogger
behavioral2/memory/3988-118-0x0000000000400000-0x000000000048B000-memory.dmp	family_snakekeylogger

Loads dropped DLL 1 IoCs

pid	Process
3772	2345678098765T4323456789.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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2345678098765T4323456789.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2345678098765T4323456789.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2345678098765T4323456789.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	2345678098765T4323456789.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2345678098765T4323456789.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
18	checkip.dyndns.org
21	freegeoip.app
22	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3772 set thread context of 3988	3772	2345678098765T4323456789.exe	69

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	2345678098765T4323456789.exe
File created	C:\Windows\assembly\Desktop.ini	2345678098765T4323456789.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	2345678098765T4323456789.exe

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
3988	2345678098765T4323456789.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	2345678098765T4323456789.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69
PID 3772 wrote to memory of 3988	3772	2345678098765T4323456789.exe	69

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2345678098765T4323456789.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2345678098765T4323456789.exe

C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe
"C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772
- C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe
  "C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3988

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/3988-116-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/3988-118-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/3988-119-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/3988-120-0x0000000002461000-0x0000000002462000-memory.dmp

Filesize
4KB

Download
memory/3988-122-0x0000000002467000-0x0000000002468000-memory.dmp

Filesize
4KB

Download
memory/3988-121-0x0000000002462000-0x0000000002464000-memory.dmp

Filesize
8KB

Download
memory/3988-123-0x0000000002468000-0x0000000002469000-memory.dmp

Filesize
4KB

Download

Analysis

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