snakekeylogger | 20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf

General

Target

Enquiry88210103.exe
Size

551KB
MD5

86e68a876e55e70275d6759c10de5345
SHA1

0a15cf065fe62814d1c7bdb09508f99699e0b8ec
SHA256

20cd59764483a62bfcf3d0b85cb92a3ba2dfcb1ef9303c3cef574ef9def84fcf
SHA512

b9632c31b47c489629bbb74e94493aa4c79f76204cdfa569aedbd957e2f11a159b390a700528f7abb1af3578a4d188b4e703162b769328dfd9b2abb11360500d
SSDEEP

12288:Pd+24kzKDSd1JqakAuiJurlPQFfA0xYsPzDtl8wYge:r4kpqaWiJMPQFY0xvPzDf9

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7519296385:AAFFI2mxNdfa3ltOQw6_L0rzJGbiW-4SUz4/sendMessage?chat_id=5116181161

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2716-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2716-9-0x0000000000400000-0x0000000000426000-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
2744	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry88210103.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry88210103.exe
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry88210103.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 2732 set thread context of 2716	2732	Enquiry88210103.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	Enquiry88210103.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Enquiry88210103.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2732	Enquiry88210103.exe
2732	Enquiry88210103.exe
2732	Enquiry88210103.exe
2732	Enquiry88210103.exe
2716	Enquiry88210103.exe
2744	powershell.exe
2716	Enquiry88210103.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	Enquiry88210103.exe
Token: SeDebugPrivilege	2716	Enquiry88210103.exe
Token: SeDebugPrivilege	2744	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2744	2732	Enquiry88210103.exe	30
PID 2732 wrote to memory of 2744	2732	Enquiry88210103.exe	30
PID 2732 wrote to memory of 2744	2732	Enquiry88210103.exe	30
PID 2732 wrote to memory of 2744	2732	Enquiry88210103.exe	30
PID 2732 wrote to memory of 2528	2732	Enquiry88210103.exe	32
PID 2732 wrote to memory of 2528	2732	Enquiry88210103.exe	32
PID 2732 wrote to memory of 2528	2732	Enquiry88210103.exe	32
PID 2732 wrote to memory of 2528	2732	Enquiry88210103.exe	32
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33
PID 2732 wrote to memory of 2716	2732	Enquiry88210103.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry88210103.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Enquiry88210103.exe

C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- 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\Enquiry88210103.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe"
  2⤵
  PID:2528
- C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry88210103.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:2716

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/2716-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-20-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2716-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2716-24-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2716-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2732-5-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-3-0x0000000000570000-0x0000000000582000-memory.dmp

Filesize
72KB

Download
memory/2732-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2732-2-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-6-0x0000000005270000-0x00000000052D8000-memory.dmp

Filesize
416KB

Download
memory/2732-1-0x0000000000A90000-0x0000000000B20000-memory.dmp

Filesize
576KB

Download
memory/2732-21-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-4-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download

Analysis

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