snakekeylogger | 4cb707f9fe66e56094df32a30fc7b9f3c764e302b2684904805dbf35b786fc2b

General

Target

Ziraat Bankasi Swift Mesaji.exe
Size

747KB
MD5

679c8103f0e5c50af1d18fb1a98e07b0
SHA1

0d1ddfa829b5aee1d120524bfdce083af01e270c
SHA256

b8a1cbfde7cd26809f6a8a90d88d09c0558fb2417dca15d7edd5e3eac3e07073
SHA512

6094dcf100bd04ff6eecb9b4766edfe217272b9184dcf064154f82c233fd1fc6ae2cef2002b2e26031dca0aba5ddd016a9ca40950c7c07930d264ee671d536fb
SSDEEP

12288:jzSggsi/rjYobCDt0864cUeRx13hsrwy/1b0oNPqP1S:jzE4obCc7Rx1ah/NPt

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.puragenicindia.com
Port:
587
Username:
[email protected]
Password:
bobbyj2016@bobbyj2016@

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2568-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2568-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2568-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2568-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2568-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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
2668	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 2568	1508	Ziraat Bankasi Swift Mesaji.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	Ziraat Bankasi Swift Mesaji.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ziraat Bankasi Swift Mesaji.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2668	powershell.exe
2568	Ziraat Bankasi Swift Mesaji.exe
2568	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	2568	Ziraat Bankasi Swift Mesaji.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2668	1508	Ziraat Bankasi Swift Mesaji.exe	31
PID 1508 wrote to memory of 2668	1508	Ziraat Bankasi Swift Mesaji.exe	31
PID 1508 wrote to memory of 2668	1508	Ziraat Bankasi Swift Mesaji.exe	31
PID 1508 wrote to memory of 2668	1508	Ziraat Bankasi Swift Mesaji.exe	31
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33
PID 1508 wrote to memory of 2568	1508	Ziraat Bankasi Swift Mesaji.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ziraat Bankasi Swift Mesaji.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- 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\Ziraat Bankasi Swift Mesaji.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
  "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.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:2568

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/1508-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/1508-1-0x0000000000F00000-0x0000000000FC2000-memory.dmp

Filesize
776KB

Download
memory/1508-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/1508-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/1508-4-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/1508-5-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/1508-6-0x00000000003D0000-0x000000000043C000-memory.dmp

Filesize
432KB

Download
memory/1508-21-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2568-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2568-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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