snakekeylogger | 20eecce76fb0a55470277953da23afee3d6c9cc2e4d09e1b9c79e3ac52dae00c

General

Target

malw2.exe
Size

971KB
MD5

ab68dae6f5d3b199136a3afe25582ec1
SHA1

f11af09eaed02727ff969d2459092096d80b47ea
SHA256

20eecce76fb0a55470277953da23afee3d6c9cc2e4d09e1b9c79e3ac52dae00c
SHA512

6f012d70bc9c4ac5d4518082ef23a104111a3e043c0a03f7a10180198e9c5425b7463cb337f8c337e06ad86d0e30bbf73a710ba6f821aa67d818b5b78fbc2e79
SSDEEP

24576:eu6J33O0c+JY5UZ+XC0kGso6Fao04y2WY:wu0c++OCvkGs9Fao0RY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8185762015:AAHpTmdy-CqfstzKSZuaTnZKDLulpO4kR0Q/sendMessage?chat_id=7153546848

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/5952-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
27	reallyfreegeoip.org
19	checkip.dyndns.org
26	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5320 set thread context of 5952	5320	malw2.exe	89

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	malw2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5952	RegSvcs.exe
5952	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5320	malw2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5952	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5320	malw2.exe
5320	malw2.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
5320	malw2.exe
5320	malw2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5320 wrote to memory of 5952	5320	malw2.exe	89
PID 5320 wrote to memory of 5952	5320	malw2.exe	89
PID 5320 wrote to memory of 5952	5320	malw2.exe	89
PID 5320 wrote to memory of 5952	5320	malw2.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\malw2.exe
"C:\Users\Admin\AppData\Local\Temp\malw2.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:5320
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\malw2.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:5952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5320-6-0x0000000000F40000-0x0000000001340000-memory.dmp

Filesize
4.0MB

Download
memory/5952-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5952-8-0x000000007421E000-0x000000007421F000-memory.dmp

Filesize
4KB

Download
memory/5952-9-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/5952-10-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download
memory/5952-11-0x0000000074210000-0x00000000749C0000-memory.dmp

Filesize
7.7MB

Download
memory/5952-12-0x00000000063B0000-0x0000000006400000-memory.dmp

Filesize
320KB

Download
memory/5952-13-0x00000000065D0000-0x0000000006792000-memory.dmp

Filesize
1.8MB

Download
memory/5952-14-0x00000000064A0000-0x0000000006532000-memory.dmp

Filesize
584KB

Download
memory/5952-15-0x0000000006430000-0x000000000643A000-memory.dmp

Filesize
40KB

Download
memory/5952-16-0x000000007421E000-0x000000007421F000-memory.dmp

Filesize
4KB

Download
memory/5952-17-0x0000000074210000-0x00000000749C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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