Analysis
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max time kernel
122s -
max time network
129s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
20-10-2021 19:46
Static task
static1
Behavioral task
behavioral1
Sample
SaLWleymqOiflYa.exe
Resource
win7-en-20211014
Behavioral task
behavioral2
Sample
SaLWleymqOiflYa.exe
Resource
win10-en-20210920
General
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Target
SaLWleymqOiflYa.exe
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Size
314KB
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MD5
67151cfb27ae6f0c7fc0f314a1e3dd4d
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SHA1
a8fa4e3526d6662108c45eaf97a62c79ed91064f
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SHA256
d097d6061d833da65b18b777c9ecd637ac00370727b103169068aae445e71ed5
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SHA512
f4f4e7d08640eb15d66a75d26c0e168c99cfc45a7d889ee2a38021630eacfa008c942bc29f8198ad468b5ce786c73a9828031ae6f74631a9fcf04dbe4140085b
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
smtp.vivaldi.net - Port:
587 - Username:
[email protected] - Password:
#munachimso#
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
SaLWleymqOiflYa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SaLWleymqOiflYa.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SaLWleymqOiflYa.exe Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SaLWleymqOiflYa.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.
Processes:
flow ioc 4 checkip.dyndns.org 8 freegeoip.app 9 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SaLWleymqOiflYa.exedescription pid process target process PID 1516 set thread context of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
SaLWleymqOiflYa.exeSaLWleymqOiflYa.exepid process 1516 SaLWleymqOiflYa.exe 1516 SaLWleymqOiflYa.exe 368 SaLWleymqOiflYa.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SaLWleymqOiflYa.exeSaLWleymqOiflYa.exedescription pid process Token: SeDebugPrivilege 1516 SaLWleymqOiflYa.exe Token: SeDebugPrivilege 368 SaLWleymqOiflYa.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SaLWleymqOiflYa.exedescription pid process target process PID 1516 wrote to memory of 1256 1516 SaLWleymqOiflYa.exe schtasks.exe PID 1516 wrote to memory of 1256 1516 SaLWleymqOiflYa.exe schtasks.exe PID 1516 wrote to memory of 1256 1516 SaLWleymqOiflYa.exe schtasks.exe PID 1516 wrote to memory of 1256 1516 SaLWleymqOiflYa.exe schtasks.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe PID 1516 wrote to memory of 368 1516 SaLWleymqOiflYa.exe SaLWleymqOiflYa.exe -
outlook_office_path 1 IoCs
Processes:
SaLWleymqOiflYa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SaLWleymqOiflYa.exe -
outlook_win_path 1 IoCs
Processes:
SaLWleymqOiflYa.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SaLWleymqOiflYa.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SaLWleymqOiflYa.exe"C:\Users\Admin\AppData\Local\Temp\SaLWleymqOiflYa.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\skZvkAinN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2A3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SaLWleymqOiflYa.exe"C:\Users\Admin\AppData\Local\Temp\SaLWleymqOiflYa.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/368-64-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/368-63-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/368-69-0x0000000000BB0000-0x0000000000BB1000-memory.dmpFilesize
4KB
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memory/368-67-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/368-66-0x000000000041F83E-mapping.dmp
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memory/368-62-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/368-65-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/368-61-0x0000000000400000-0x0000000000424000-memory.dmpFilesize
144KB
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memory/1256-60-0x0000000000000000-mapping.dmp
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memory/1516-56-0x0000000076241000-0x0000000076243000-memory.dmpFilesize
8KB
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memory/1516-54-0x0000000001290000-0x0000000001291000-memory.dmpFilesize
4KB
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memory/1516-59-0x0000000001210000-0x0000000001250000-memory.dmpFilesize
256KB
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memory/1516-58-0x0000000000340000-0x0000000000347000-memory.dmpFilesize
28KB
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memory/1516-57-0x0000000004E40000-0x0000000004E41000-memory.dmpFilesize
4KB