snakekeylogger | a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14

General

Target

a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe
Size

1.0MB
MD5

6b8ffeb500dd8a10b3a3f437efb9714c
SHA1

0bf183baf160e6753b38ce48f2ae8b8cf32653d0
SHA256

a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14
SHA512

998ffbf313d2c4d20bfac39eb69427e19c795b72a199b430a3db2b5834dac935be3e9627adc4e607ade531c5ebfbf9d39d4fba7a63b42f53ba69d9f339eaa2b3
SSDEEP

24576:1tb20pkaCqT5TBWgNQ7a9depk/7diNU36A:mVg5tQ7a9482G5

Score

10^/10

snakekeylogger collection credential_access discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.luhomar.com.co
Port:
587
Username:
[email protected]
Password:
z9-ziS7,lbO@
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2828-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2828-9-0x0000000000400000-0x0000000000426000-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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.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	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe
2828	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe
2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe
2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30
PID 2336 wrote to memory of 2828	2336	a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.exe
"C:\Users\Admin\AppData\Local\Temp\a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.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:2336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\a3c5b99f9435e0c297203819b58e8f0b87dcfdf42271b71e429f86a7efd36a14.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:2828

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/2336-6-0x0000000000B50000-0x0000000000F50000-memory.dmp

Filesize
4.0MB

Download
memory/2828-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2828-12-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2828-13-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-14-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2828-15-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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