snakekeylogger | 6f3a73b2d5dcc2811da8665e9c8487db7575df80117589b3287d1fb9ae60b366

General

Target

Documentos de envo..exe
Size

1.0MB
MD5

64250fbc0c8194727c46f0a4ab569139
SHA1

9f08f52161a6870763b7beae581524f41e4260cb
SHA256

c108c9f1c3c725b221c947df56589449e367a112cc443b4fca8f1b53ec7412c3
SHA512

55f534333a39b36b5e99f551c286282bba7ce346c91014cd42b520471f86dcc5cb4c2681ce6a0e02224f2ae6970fa5d32294ee63839b4a6521914ced8dba0ee4
SSDEEP

24576:o5EmXFtKaL4/oFe5T9yyXYfP1ijXdamU3JupouR+:oPVt/LZeJbInQRam9

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.skagenships.com
Port:
587
Username:
[email protected]
Password:
XAqEAz@4

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1292-7-0x0000000000400000-0x0000000000426000-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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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
11	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 1292	4736	Documentos de envo..exe	86

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	Documentos de envo..exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1292	RegSvcs.exe
1292	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4736	Documentos de envo..exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4736	Documentos de envo..exe
4736	Documentos de envo..exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4736	Documentos de envo..exe
4736	Documentos de envo..exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 1292	4736	Documentos de envo..exe	86
PID 4736 wrote to memory of 1292	4736	Documentos de envo..exe	86
PID 4736 wrote to memory of 1292	4736	Documentos de envo..exe	86
PID 4736 wrote to memory of 1292	4736	Documentos de envo..exe	86

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Documentos de envo..exe
"C:\Users\Admin\AppData\Local\Temp\Documentos de envo..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:4736
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Documentos de envo..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:1292

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

Replay Monitor

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Downloads

memory/1292-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1292-8-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1292-9-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/1292-10-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/1292-11-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1292-12-0x00000000067A0000-0x00000000067F0000-memory.dmp

Filesize
320KB

Download
memory/1292-13-0x00000000069C0000-0x0000000006B82000-memory.dmp

Filesize
1.8MB

Download
memory/1292-14-0x0000000006890000-0x0000000006922000-memory.dmp

Filesize
584KB

Download
memory/1292-15-0x0000000006810000-0x000000000681A000-memory.dmp

Filesize
40KB

Download
memory/1292-16-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/1292-17-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-6-0x00000000010E0000-0x00000000014E0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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