snakekeylogger | d16b6047ad5fd1dc3d87eca8d9a6745b6238b5af934b7c34493dc187136e30c6

General

Target

BTX7855324-FJL408925-QHT8996757788.exe
Size

1.3MB
MD5

1598e0f57e2396152ed603ff8832cb30
SHA1

f7679b18051a9daf1daf683c3249c8fcb3d9d82c
SHA256

9c0df6bb5a583077732c10adb7c12ade664b637f4f2fcd9f05c90a5c3577d010
SHA512

57bc83847fef987d2decdf02f72f3a030032f610b1b39a10a1db0f16329ca49f972a7a0817a89493ea0654b233f08ea8b58c17a3c945b7fd0909ee15fdbbab29
SSDEEP

24576:9qDEvCTbMWu7rQYlBQcBiT6rprG8aU4pjS0h/dSEAMSJGciQBIZX:9TvC/MTQYxsWR7aUES0h/hAMSJG

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.invesxteu.info
Port:
587
Username:
[email protected]
Password:
rwe87$%21q

C2

https://api.telegram.org/bot5361912293:AAGLRU8lOnvgedEVLW84nw6uJBR8KKRq6f4/sendMessage?chat_id=5103867363

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2788-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2660 set thread context of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	BTX7855324-FJL408925-QHT8996757788.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2788	RegSvcs.exe
2788	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2660	BTX7855324-FJL408925-QHT8996757788.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2660	BTX7855324-FJL408925-QHT8996757788.exe
2660	BTX7855324-FJL408925-QHT8996757788.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2660	BTX7855324-FJL408925-QHT8996757788.exe
2660	BTX7855324-FJL408925-QHT8996757788.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30
PID 2660 wrote to memory of 2788	2660	BTX7855324-FJL408925-QHT8996757788.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\BTX7855324-FJL408925-QHT8996757788.exe
"C:\Users\Admin\AppData\Local\Temp\BTX7855324-FJL408925-QHT8996757788.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\BTX7855324-FJL408925-QHT8996757788.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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2660-2-0x0000000000B90000-0x0000000000F90000-memory.dmp

Filesize
4.0MB

Download
memory/2788-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-8-0x000000007397E000-0x000000007397F000-memory.dmp

Filesize
4KB

Download
memory/2788-9-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download
memory/2788-10-0x000000007397E000-0x000000007397F000-memory.dmp

Filesize
4KB

Download
memory/2788-11-0x0000000073970000-0x000000007405E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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