snakekeylogger | 182404dc03bfbb2bda9044e52d7dc80ba549b21ae16e62f6f1d9d0f42bbd7bf6

General

Target

tmp.exe
Size

873KB
MD5

906b34a460a94b87b491942fc7d6a4a4
SHA1

43cd248605808e2c53e6251de74db03976df4572
SHA256

182404dc03bfbb2bda9044e52d7dc80ba549b21ae16e62f6f1d9d0f42bbd7bf6
SHA512

17df733d88623721905cfa33f5c7c7d6b1adf168b43c93b54031a94cf61e76aa7c3b562d9566fc5d60d59552607fa10b81174fede7071411b6991974bae2ee5d
SSDEEP

12288:B2iNrJ2ud5BLFy+6UQzbpBKcdQmXHf/Q6kxFcyTW2z1Mu5uIbmj8j:B1COk+6PbpBKAQaAlcyNf4M

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
ocajNBT6
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/2012-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2012-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2012-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2012-67-0x000000000042012E-mapping.dmp	family_snakekeylogger
behavioral1/memory/2012-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2012-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.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 536 set thread context of 2012	536	tmp.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2012	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27
PID 536 wrote to memory of 2012	536	tmp.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2012

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/536-54-0x0000000000C10000-0x0000000000CF0000-memory.dmp

Filesize
896KB

Download
memory/536-55-0x0000000076831000-0x0000000076833000-memory.dmp

Filesize
8KB

Download
memory/536-56-0x0000000000560000-0x0000000000578000-memory.dmp

Filesize
96KB

Download
memory/536-57-0x0000000000580000-0x000000000058C000-memory.dmp

Filesize
48KB

Download
memory/536-58-0x0000000005230000-0x00000000052B2000-memory.dmp

Filesize
520KB

Download
memory/536-59-0x0000000000940000-0x000000000096A000-memory.dmp

Filesize
168KB

Download
memory/2012-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-67-0x000000000042012E-mapping.dmp

Download
memory/2012-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2012-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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