snakekeylogger | 4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7

General

Target

4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Size

598KB
MD5

4e699dc468a0255f77c815757f9a036f
SHA1

f5ae9a7f87ffaf153b9c94894ab193ac68537801
SHA256

4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7
SHA512

dadd501f9d15fd13d0616d0fe66c82a4d16565fd7cc05c0b62e711ad503152076223c9e1c457aeaa3eb41d74d5c820e28e8f3e895219f11fc899c9fe4f17578f
SSDEEP

12288:Rcir1S2IoOAc6/5rZGmy4CYoZno/mItqhrecBYCdcm4wnzgS+47J6CPBjYkMzZQw:mYo9ouI+rqCdxzX16CP5YxzZUH0

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/2696-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2696-9-0x0000000000400000-0x0000000000426000-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
2748	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.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 2708 set thread context of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34

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	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
2696	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
2748	powershell.exe
2696	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Token: SeDebugPrivilege	2696	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
Token: SeDebugPrivilege	2748	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2748	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	31
PID 2708 wrote to memory of 2748	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	31
PID 2708 wrote to memory of 2748	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	31
PID 2708 wrote to memory of 2748	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	31
PID 2708 wrote to memory of 2768	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	32
PID 2708 wrote to memory of 2768	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	32
PID 2708 wrote to memory of 2768	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	32
PID 2708 wrote to memory of 2768	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	32
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34
PID 2708 wrote to memory of 2696	2708	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe

C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
"C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- 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\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
  "C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe"
  2⤵
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe
  "C:\Users\Admin\AppData\Local\Temp\4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.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:2696

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/2696-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-26-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-25-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-22-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-20-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2696-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2708-5-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2708-6-0x0000000004B70000-0x0000000004BD8000-memory.dmp

Filesize
416KB

Download
memory/2708-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/2708-21-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-4-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-3-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/2708-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2708-1-0x0000000000A10000-0x0000000000AAC000-memory.dmp

Filesize
624KB

Download

Analysis

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