snakekeylogger | fa54a0e38ed90dc2ff10c8275a595a90b594864c1bcaeb9f3e9ff6d6e02ade28

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	wMxu1qFNTYjHMC0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	wMxu1qFNTYjHMC0.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	wMxu1qFNTYjHMC0.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	wMxu1qFNTYjHMC0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wMxu1qFNTYjHMC0.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	wMxu1qFNTYjHMC0.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
42	checkip.dyndns.org
44	freegeoip.app
45	freegeoip.app

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	wMxu1qFNTYjHMC0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	wMxu1qFNTYjHMC0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 4048	2372	wMxu1qFNTYjHMC0.exe	102

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

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

pid	Process
1464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
628	powershell.exe
1340	powershell.exe
628	powershell.exe
4048	wMxu1qFNTYjHMC0.exe
1340	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4488	svchost.exe
Token: SeCreatePagefilePrivilege	4488	svchost.exe
Token: SeShutdownPrivilege	4488	svchost.exe
Token: SeCreatePagefilePrivilege	4488	svchost.exe
Token: SeShutdownPrivilege	4488	svchost.exe
Token: SeCreatePagefilePrivilege	4488	svchost.exe
Token: SeDebugPrivilege	628	powershell.exe
Token: SeDebugPrivilege	1340	powershell.exe
Token: SeDebugPrivilege	4048	wMxu1qFNTYjHMC0.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 628	2372	wMxu1qFNTYjHMC0.exe	96
PID 2372 wrote to memory of 628	2372	wMxu1qFNTYjHMC0.exe	96
PID 2372 wrote to memory of 628	2372	wMxu1qFNTYjHMC0.exe	96
PID 2372 wrote to memory of 1340	2372	wMxu1qFNTYjHMC0.exe	98
PID 2372 wrote to memory of 1340	2372	wMxu1qFNTYjHMC0.exe	98
PID 2372 wrote to memory of 1340	2372	wMxu1qFNTYjHMC0.exe	98
PID 2372 wrote to memory of 1464	2372	wMxu1qFNTYjHMC0.exe	100
PID 2372 wrote to memory of 1464	2372	wMxu1qFNTYjHMC0.exe	100
PID 2372 wrote to memory of 1464	2372	wMxu1qFNTYjHMC0.exe	100
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102
PID 2372 wrote to memory of 4048	2372	wMxu1qFNTYjHMC0.exe	102

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	wMxu1qFNTYjHMC0.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	wMxu1qFNTYjHMC0.exe

C:\Users\Admin\AppData\Local\Temp\wMxu1qFNTYjHMC0.exe
"C:\Users\Admin\AppData\Local\Temp\wMxu1qFNTYjHMC0.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\wMxu1qFNTYjHMC0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bUevpYSlXDKS.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1340
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bUevpYSlXDKS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC54.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1464
- C:\Users\Admin\AppData\Local\Temp\wMxu1qFNTYjHMC0.exe
  "C:\Users\Admin\AppData\Local\Temp\wMxu1qFNTYjHMC0.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4048

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery