snakekeylogger | 4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb

General

Target

4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Size

536KB
MD5

9bb08c09b097d1a6b0238bb51665bf9b
SHA1

4f7c6e74a7bbf4e268f9dc1496fa1ab8a4a89bd2
SHA256

4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb
SHA512

b6b758b1df5882d2d30c6c62ba9d209d580ccd91eab9ab66f1d99c4b17cf4da2796675e1914d8404c1c932c61e130f2bdc092c55bfa95de1aefb759fa9a4e027
SSDEEP

12288:hYE21jQXrpLJ0G5FWbi4qoCYmi4df8FnLAcXHZ:P4jQXlLtUmF86c

Score

10^/10

snakekeylogger collection credential_access discovery execution keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2976-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2976-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2976-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2976-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2976-11-0x0000000000400000-0x0000000000426000-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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2480	powershell.exe

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.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 3024 set thread context of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
2976	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
2480	powershell.exe
2976	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2976	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Token: SeDebugPrivilege	2976	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
Token: SeDebugPrivilege	2480	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2480	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	31
PID 3024 wrote to memory of 2480	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	31
PID 3024 wrote to memory of 2480	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	31
PID 3024 wrote to memory of 2480	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	31
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33
PID 3024 wrote to memory of 2976	3024	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe

C:\Users\Admin\AppData\Local\Temp\4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
"C:\Users\Admin\AppData\Local\Temp\4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2480
- C:\Users\Admin\AppData\Local\Temp\4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe
  "C:\Users\Admin\AppData\Local\Temp\4c64661e56eb8bea2cfeb88042c1fcc29dd8b83320b59a3d06986a2c359707fb.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

1

T1082

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/2976-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-24-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2976-27-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2976-22-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/3024-1-0x0000000000AB0000-0x0000000000B3C000-memory.dmp

Filesize
560KB

Download
memory/3024-6-0x0000000005260000-0x00000000052C8000-memory.dmp

Filesize
416KB

Download
memory/3024-5-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-23-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/3024-4-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

Filesize
4KB

Download
memory/3024-3-0x00000000004F0000-0x0000000000500000-memory.dmp

Filesize
64KB

Download

Analysis

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