snakekeylogger | 40a56d5a0008a80c4aff33583882d43a1a52eee917fe5d94b1752c53a2aab475

General

Target
PO-09877.exe
Size 416KB
Sample220325-vtp53afdbn
SHA256 40a56d5a0008a80c4aff33583882d43a1a52eee917fe5d94b1752c53a2aab475
MD5 021f741ee283394dba67c45dec18c284
SHA1 14a4d9a5d5b4c7711b07750959063843d6f348a9
SHA512 8d1a4a073269dfd69131df722372b1f0ae2a7dfbd29ce8393954293e4bed06b41881ceeb06cd38fd3f1e2baacdfa5bdeaf56bd7666bc4ee50742db4cec1fab8f
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
smtp.yandex.ru
Port
587
Username
[email protected]
Password
GOODGOD@123
Email to
[email protected]

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4728-138-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	PO-09877.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-09877.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-09877.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-09877.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
26	checkip.dyndns.org
28	freegeoip.app
29	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 4728	1656	PO-09877.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1656	PO-09877.exe
4728	PO-09877.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	PO-09877.exe
Token: SeDebugPrivilege	4728	PO-09877.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1288	1656	PO-09877.exe	88
PID 1656 wrote to memory of 1288	1656	PO-09877.exe	88
PID 1656 wrote to memory of 1288	1656	PO-09877.exe	88
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90
PID 1656 wrote to memory of 4728	1656	PO-09877.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-09877.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-09877.exe

C:\Users\Admin\AppData\Local\Temp\PO-09877.exe
"C:\Users\Admin\AppData\Local\Temp\PO-09877.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GUeruPfxb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA66F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1288
- C:\Users\Admin\AppData\Local\Temp\PO-09877.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4728