snakekeylogger | f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8

General

Target

f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
Size

577KB
MD5

84ec37e6dd30a7bcc2a4cb27d22b0b9e
SHA1

528ffb74b6c63dfc5f8c59d93178427d1c917c22
SHA256

f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8
SHA512

4a69278cdc294b4c1ee5027e5548dac855ba1edd6eb9c951d31eccc1efa182348ec5aff8608096b804be76521e759116335c7b960e4b84e12294d366d21c6919
SSDEEP

12288:ZbRKjP7neRjE8lHLrdnEX6nVTsYurrpLX9vXPgd:DKjP7eW8lHLrlEKJGrRs

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7492212361:AAF_J7Ggqch6d5jLanPykrhrRKGFyphjKVo/sendMessage?chat_id=7463064549

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2500-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2500-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2500-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2500-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2500-6-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31

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	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2500	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
2500	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31
PID 1752 wrote to memory of 2500	1752	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe	31

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	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.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	f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe

C:\Users\Admin\AppData\Local\Temp\f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
"C:\Users\Admin\AppData\Local\Temp\f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.exe
  "C:\Users\Admin\AppData\Local\Temp\f492c1a1588fcbc5b443be86bda985da061ee38a53ce1f47eb019d0b159600c8.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:2500

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

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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/1752-0-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/1752-1-0x0000000000C10000-0x0000000000CA6000-memory.dmp

Filesize
600KB

Download
memory/1752-2-0x0000000000330000-0x0000000000386000-memory.dmp

Filesize
344KB

Download
memory/1752-3-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/1752-17-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/1752-15-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2500-16-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-18-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-19-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2500-20-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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