snakekeylogger | 8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f

General

Target

8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Size

704KB
MD5

eee8b251e71cc62d8a72ea6fbc17269d
SHA1

ef43ff6678751509bf935be71f843ecff14715a6
SHA256

8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f
SHA512

acaabc27d648751e9b08cd57d76b953a94d121b7b373453654ad342d49fc89310c8a1037d5e3624e9b80335beb1c3515fada843e60a6c50ced4d0a39d65a7528
SSDEEP

12288:SeqYIb0v0oNVYQWVv5Rf1t0i6Weps5/OM9YSdZgSydoK9yIlAJx/5Vb72VSBZUHa:Seq3hosQ8vvL3Ks5/OWYSkSQ9yIgV3nT

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/2216-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2216-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2216-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2216-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2216-8-0x0000000000400000-0x0000000000426000-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
2336	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.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 2424 set thread context of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.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	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
2216	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
2336	powershell.exe
2216	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2216	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Token: SeDebugPrivilege	2216	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
Token: SeDebugPrivilege	2336	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2336	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	31
PID 2424 wrote to memory of 2336	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	31
PID 2424 wrote to memory of 2336	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	31
PID 2424 wrote to memory of 2336	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	31
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33
PID 2424 wrote to memory of 2216	2424	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe

C:\Users\Admin\AppData\Local\Temp\8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
"C:\Users\Admin\AppData\Local\Temp\8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424
- 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\8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.exe
  "C:\Users\Admin\AppData\Local\Temp\8ad2ef802f671041655e7acfbf210c575eb91a28db87bbc9150c3b026ed71e0f.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:2216

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

Loading Replay Monitor...

Downloads

memory/2216-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-25-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-22-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-20-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-26-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2216-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2424-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x0000000001010000-0x00000000010C6000-memory.dmp

Filesize
728KB

Download
memory/2424-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-21-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-5-0x0000000005C30000-0x0000000005C98000-memory.dmp

Filesize
416KB

Download
memory/2424-4-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/2424-3-0x0000000000520000-0x000000000052E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing