snakekeylogger | 695640703f43e6250704c8a10d01604e799b1cdeb4c4340ae5bf2a25e2c291f0

General

Target

InvoiceandBillofLanding.exe
Size

484KB
MD5

4f317faf94f46f6ea6bdbdc2a5e2b929
SHA1

36a41461d36205bbc7245dd194d76a6001de9411
SHA256

695640703f43e6250704c8a10d01604e799b1cdeb4c4340ae5bf2a25e2c291f0
SHA512

7d246dfd84b9a7d7683a9377210609bb6c684ae48f4370c8c8507c6905af69bde0c6c1405253746d22d20056f121a1f638446f7c54462ec81af42515f9b57be7
SSDEEP

12288:y8G1KBsGhcbWFP7a4+iMg2WMN5IAk3w0/Vw5ZovH5UP3:2YBfhcbMza4+guZZs5UP

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/1820-9-0x0000000000400000-0x0000000000426000-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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InvoiceandBillofLanding.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InvoiceandBillofLanding.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InvoiceandBillofLanding.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 4696 set thread context of 1820	4696	InvoiceandBillofLanding.exe	86

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1820	InvoiceandBillofLanding.exe
1820	InvoiceandBillofLanding.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	InvoiceandBillofLanding.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86
PID 4696 wrote to memory of 1820	4696	InvoiceandBillofLanding.exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InvoiceandBillofLanding.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InvoiceandBillofLanding.exe

C:\Users\Admin\AppData\Local\Temp\InvoiceandBillofLanding.exe
"C:\Users\Admin\AppData\Local\Temp\InvoiceandBillofLanding.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\InvoiceandBillofLanding.exe
  "C:\Users\Admin\AppData\Local\Temp\InvoiceandBillofLanding.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:1820

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/1820-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1820-16-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1820-15-0x00000000066D0000-0x0000000006892000-memory.dmp

Filesize
1.8MB

Download
memory/1820-14-0x00000000064B0000-0x0000000006500000-memory.dmp

Filesize
320KB

Download
memory/1820-11-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1820-10-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4696-8-0x0000000005270000-0x0000000005278000-memory.dmp

Filesize
32KB

Download
memory/4696-7-0x0000000005380000-0x000000000541C000-memory.dmp

Filesize
624KB

Download
memory/4696-0-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/4696-6-0x0000000005290000-0x00000000052E6000-memory.dmp

Filesize
344KB

Download
memory/4696-5-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/4696-4-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4696-13-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4696-3-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/4696-2-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/4696-1-0x0000000000720000-0x00000000007A0000-memory.dmp

Filesize
512KB

Download

Analysis

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