snakekeylogger | 02819e773a13044621b353b140bb3dde208897eac32b4a267de15f65a963a93e

General

Target

HESAP DETAYLARI.exe
Size

710KB
MD5

a6cdd79d35c00a004238683b35b8ded4
SHA1

a00078c30e86c90699c55eb66ecfac648a391f7d
SHA256

7cfb12add202af6cf627f8d79618f0c7c2eeb7da275835b741138c006d23a3bc
SHA512

188559a8bbf8efa741c78f5a1809f98704cff5efb72e6cad799734c455e05b3ff125f3408ab4ee167e232ae1db4c4f41eefe85998947c155084295fe5eddb579
SSDEEP

12288:kAqxcdkyerVbCx3YNg9vl01uhuQPLFPeM8q8FEVjU+Jd1cN1Jqg:JqxcGrVbCx3YNMvlIOuQP8qppTUJ

Score

10^/10

snakekeylogger collection 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/2584-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2584-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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
2684	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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.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 2892 set thread context of 2584	2892	HESAP DETAYLARI.exe	32

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HESAP DETAYLARI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HESAP DETAYLARI.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2892	HESAP DETAYLARI.exe
2892	HESAP DETAYLARI.exe
2584	HESAP DETAYLARI.exe
2684	powershell.exe
2584	HESAP DETAYLARI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	HESAP DETAYLARI.exe
Token: SeDebugPrivilege	2584	HESAP DETAYLARI.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2684	2892	HESAP DETAYLARI.exe	30
PID 2892 wrote to memory of 2684	2892	HESAP DETAYLARI.exe	30
PID 2892 wrote to memory of 2684	2892	HESAP DETAYLARI.exe	30
PID 2892 wrote to memory of 2684	2892	HESAP DETAYLARI.exe	30
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32
PID 2892 wrote to memory of 2584	2892	HESAP DETAYLARI.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HESAP DETAYLARI.exe

C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.exe
"C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2892
- 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\HESAP DETAYLARI.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.exe
  "C:\Users\Admin\AppData\Local\Temp\HESAP DETAYLARI.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:2584

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/2584-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-22-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-21-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2584-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-25-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-0-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2892-1-0x0000000001210000-0x00000000012C8000-memory.dmp

Filesize
736KB

Download
memory/2892-6-0x00000000050D0000-0x0000000005148000-memory.dmp

Filesize
480KB

Download
memory/2892-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-20-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-4-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2892-3-0x0000000000210000-0x0000000000222000-memory.dmp

Filesize
72KB

Download

Analysis

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