snakekeylogger | beb581aaec97ca8d00d79699577849cd46a8e25561e29e906a1adb254ffc2549

General

Target

tmp.exe
Size

1.0MB
MD5

00839478c6c86d747952b11217b1ad98
SHA1

bc363604aac42b10f0106f28cd53a85fa03dea08
SHA256

beb581aaec97ca8d00d79699577849cd46a8e25561e29e906a1adb254ffc2549
SHA512

4eb303459709b64c06838f6c8ffa936c88839df01b976e0c058c2ba687bcd6df2e50282a0145929f76abd5cf9cfc3b7983eb6f5b32803b68897ac942caf407d2
SSDEEP

24576:BxZ81WYVrrukMf7KKWx/ekX3kmIGQP7EBtwyLl:XZ8cTkMfe/eU0fjEjwyL

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:
doDHyw%0
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/1108-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-68-0x000000000042019E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1108-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1108-72-0x0000000000400000-0x0000000000426000-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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 1996 set thread context of 1108	1996	tmp.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1108	tmp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	tmp.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1996	tmp.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1996	tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27
PID 1996 wrote to memory of 1108	1996	tmp.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1996
- 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:1108

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/1108-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1108-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1996-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1996-59-0x0000000007F50000-0x000000000800C000-memory.dmp

Filesize
752KB

Download
memory/1996-60-0x0000000005FE0000-0x0000000006044000-memory.dmp

Filesize
400KB

Download
memory/1996-58-0x0000000000430000-0x000000000043C000-memory.dmp

Filesize
48KB

Download
memory/1996-54-0x0000000000AC0000-0x0000000000BD2000-memory.dmp

Filesize
1.1MB

Download
memory/1996-57-0x0000000004F95000-0x0000000004FA6000-memory.dmp

Filesize
68KB

Download
memory/1996-56-0x00000000003C0000-0x00000000003DC000-memory.dmp

Filesize
112KB

Download
memory/1996-73-0x0000000004F95000-0x0000000004FA6000-memory.dmp

Filesize
68KB

Download

Analysis

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