snakekeylogger | c3f8b456725a6e744d7d59b5456b99c988b8b5565a18bf5f25b36a78bbed060e

General

Target

Vessel Information.exe
Size

491KB
MD5

074900bf90c8e83bfd5f79479f91ed1f
SHA1

9001cb1924963b0a35db3d78d50faa3cb54bca5b
SHA256

c3f8b456725a6e744d7d59b5456b99c988b8b5565a18bf5f25b36a78bbed060e
SHA512

a9b2a8ae609174edaf49f17664514acd04dbe10f2b75af2d1a5c181e5d6cb126ecac21bc82b06721df53a99502c48e0829e737558423b89db8f0a30e87dd962b
SSDEEP

12288:ttMyF3ltmeOVahfG3+CSQ9vkk93YmSWWsGf:XM6ltmOa+CSQCk93XWsq

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

C2

http://103.130.147.85

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2640-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2640-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2640-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2640-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2640-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Information.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Information.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Information.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 928 set thread context of 2640	928	Vessel Information.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	Vessel Information.exe
2640	Vessel Information.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	Vessel Information.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28
PID 928 wrote to memory of 2640	928	Vessel Information.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Information.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Information.exe

C:\Users\Admin\AppData\Local\Temp\Vessel Information.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Information.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Local\Temp\Vessel Information.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel Information.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2640

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

Replay Monitor

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Downloads

memory/928-0-0x000000007418E000-0x000000007418F000-memory.dmp

Filesize
4KB

Download
memory/928-1-0x0000000000AD0000-0x0000000000B52000-memory.dmp

Filesize
520KB

Download
memory/928-2-0x00000000001C0000-0x0000000000214000-memory.dmp

Filesize
336KB

Download
memory/928-3-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/928-4-0x0000000000320000-0x0000000000328000-memory.dmp

Filesize
32KB

Download
memory/928-18-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-16-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-17-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2640-19-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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