snakekeylogger | d0f2b9c05f739d86e1b664ff41c9e2bf2333b6c5d17253ee90f77c5f2d61052c

General

Target

vessels details.exe
Size

483KB
MD5

9801bfd3db1dd7d6d16bdb1fb822ddba
SHA1

7bab08a4e87cbff5c3e25505eaf5a15948d0d482
SHA256

d0f2b9c05f739d86e1b664ff41c9e2bf2333b6c5d17253ee90f77c5f2d61052c
SHA512

46005c9b35daf0283a42ed3c980e2afe1c533602f2db2b09c393707ca89f0225d3fe1637ded395e147b17b5ecc8f2d9f52d2c0256e7f8f1f4e3d816363fc599d
SSDEEP

12288:y8G1KBs849ttS9HC+sKIuGwOYGk7ZovH5UPA:2YBy9vS9HfsKI7nS7Zs5UY

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
alphagasea.com
Port:
587
Username:
[email protected]
Password:
welding123*
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4164-9-0x0000000000400000-0x0000000000426000-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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessels details.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessels details.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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.

flow	ioc
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 4164	5084	vessels details.exe	85

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	vessels details.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vessels details.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4164	vessels details.exe
4164	vessels details.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	vessels details.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85
PID 5084 wrote to memory of 4164	5084	vessels details.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessels details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Users\Admin\AppData\Local\Temp\vessels details.exe
  "C:\Users\Admin\AppData\Local\Temp\vessels details.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:4164

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

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Downloads

memory/4164-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4164-17-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-16-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-15-0x0000000006900000-0x0000000006AC2000-memory.dmp

Filesize
1.8MB

Download
memory/4164-14-0x00000000066E0000-0x0000000006730000-memory.dmp

Filesize
320KB

Download
memory/4164-11-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4164-10-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/5084-8-0x00000000051F0000-0x00000000051F8000-memory.dmp

Filesize
32KB

Download
memory/5084-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/5084-7-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/5084-6-0x0000000005090000-0x00000000050E4000-memory.dmp

Filesize
336KB

Download
memory/5084-5-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/5084-13-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/5084-4-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/5084-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/5084-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/5084-1-0x00000000004C0000-0x0000000000540000-memory.dmp

Filesize
512KB

Download

Analysis

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