snakekeylogger | 8163c8e218f5715e35eddb8dc41327dd5e8ce77bb9652474692b5e72637129cf

General

Target

PORTCLEARANCE.exe
Size

483KB
MD5

796dd3c159b5fb5ccf4ae2d577ebc488
SHA1

246305c1cc97fdd095b51d685f0fd97f1696686c
SHA256

8163c8e218f5715e35eddb8dc41327dd5e8ce77bb9652474692b5e72637129cf
SHA512

a9deda5a1d0272db5ae50818f5299721783c2cd616163cd64869759c11e1d6d5c1b58b67e6d1b461fe5ca80aa07f08a37e6030436690d8de55b2923adaa67cd8
SSDEEP

12288:y8G1KBsTF2SKM/GICWzXQvFrYV10bOnJf5SEXZovH5UP5:2YB2F2SRBzXKKr0b65SiZs5Ux

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7392028440:AAH-CFrJrFHkINZPUaSLV0ejLxfxxAvnqa0/sendMessage?chat_id=2135869667

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1452-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1452-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1452-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1452-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1452-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PORTCLEARANCE.exe
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PORTCLEARANCE.exe
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PORTCLEARANCE.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.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1344 set thread context of 1452	1344	PORTCLEARANCE.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PORTCLEARANCE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PORTCLEARANCE.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1452	PORTCLEARANCE.exe
1452	PORTCLEARANCE.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	PORTCLEARANCE.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30
PID 1344 wrote to memory of 1452	1344	PORTCLEARANCE.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PORTCLEARANCE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PORTCLEARANCE.exe

C:\Users\Admin\AppData\Local\Temp\PORTCLEARANCE.exe
"C:\Users\Admin\AppData\Local\Temp\PORTCLEARANCE.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\PORTCLEARANCE.exe
  "C:\Users\Admin\AppData\Local\Temp\PORTCLEARANCE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1344-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp

Filesize
4KB

Download
memory/1344-1-0x0000000000160000-0x00000000001E0000-memory.dmp

Filesize
512KB

Download
memory/1344-2-0x0000000000450000-0x00000000004A4000-memory.dmp

Filesize
336KB

Download
memory/1344-3-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1344-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

Filesize
32KB

Download
memory/1344-18-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1452-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1452-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-16-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1452-17-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1452-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1452-19-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download
memory/1452-20-0x0000000074B90000-0x000000007527E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing