snakekeylogger | 29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c

General

Target

29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Size

549KB
MD5

888781b003dd274110af195bb86b2266
SHA1

1377619c9b0e405d3752f3bd28575351ba9c3c40
SHA256

29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c
SHA512

d0209be51fc0d734cd31592cc866aa86c3e3505be649de125a75c4b5083a52f19edb49672466203508ba02573c091740778c66568db1d958ea6e2da81dd62f1a
SSDEEP

12288:5OY8bQb2Nh3oVaC19X24xBXEKbX28bs/hCfCGQVOK:5CI2N+VJDcK7bs/YfjQVO

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/1916-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1916-20-0x0000000000400000-0x0000000000426000-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
2208	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.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 2216 set thread context of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.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	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
1916	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
2208	powershell.exe
1916	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1916	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Token: SeDebugPrivilege	1916	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
Token: SeDebugPrivilege	2208	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2208	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	31
PID 2216 wrote to memory of 2208	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	31
PID 2216 wrote to memory of 2208	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	31
PID 2216 wrote to memory of 2208	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	31
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33
PID 2216 wrote to memory of 1916	2216	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe

C:\Users\Admin\AppData\Local\Temp\29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
"C:\Users\Admin\AppData\Local\Temp\29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216
- 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\29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2208
- C:\Users\Admin\AppData\Local\Temp\29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.exe
  "C:\Users\Admin\AppData\Local\Temp\29c28a9ef59434bd31cef1a6c94303d5f97af0d434a032ced63c278eb84d546c.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:1916

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/1916-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-23-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-25-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-28-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1916-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1916-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2216-5-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2216-7-0x0000000004D80000-0x0000000004DE8000-memory.dmp

Filesize
416KB

Download
memory/2216-24-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-6-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x0000000000E30000-0x0000000000EBE000-memory.dmp

Filesize
568KB

Download
memory/2216-4-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2216-3-0x00000000002A0000-0x00000000002B2000-memory.dmp

Filesize
72KB

Download
memory/2216-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download

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