snakekeylogger | 8973a01c5fb01195763577375cc5e3b223c5ed680cbd646a0924cbcb37150ebb

Virtualization/Sandbox Evasion

Processes:

file.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	file.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

svchost.exefile.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	svchost.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	file.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys"	svchost.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

Processes:

file.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

1648 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1800 cmd.exe

pid	process
1648	svchost.exe

pid	process
1800	cmd.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

file.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	file.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.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.

Processes:

flow ioc

3 checkip.dyndns.org

flow	ioc
3	checkip.dyndns.org

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

svchost.exefile.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	file.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 1648 set thread context of 1492 1648 svchost.exe jsc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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

Processes:

schtasks.exe

pid process

572 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

828 timeout.exe

description	pid	process	target process
PID 1648 set thread context of 1492	1648	svchost.exe	jsc.exe

pid	process
572	schtasks.exe

pid	process
828	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

file.exepowershell.exesvchost.exejsc.exe

pid	process
1160	file.exe
1228	powershell.exe
1648	svchost.exe
1648	svchost.exe
1648	svchost.exe
1648	svchost.exe
1648	svchost.exe
1648	svchost.exe
1492	jsc.exe
1492	jsc.exe

Suspicious behavior: LoadsDriver 1 IoCs

Processes:

svchost.exe

pid process

1648 svchost.exe

pid	process
1648	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

file.exesvchost.exepowershell.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	1160	file.exe
Token: SeDebugPrivilege	1648	svchost.exe
Token: SeDebugPrivilege	1648	svchost.exe
Token: SeLoadDriverPrivilege	1648	svchost.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeDebugPrivilege	1492	jsc.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

file.execmd.execmd.exesvchost.exejsc.exe

description	pid	process	target process
PID 1160 wrote to memory of 1704	1160	file.exe	cmd.exe
PID 1160 wrote to memory of 1704	1160	file.exe	cmd.exe
PID 1160 wrote to memory of 1704	1160	file.exe	cmd.exe
PID 1704 wrote to memory of 572	1704	cmd.exe	schtasks.exe
PID 1704 wrote to memory of 572	1704	cmd.exe	schtasks.exe
PID 1704 wrote to memory of 572	1704	cmd.exe	schtasks.exe
PID 1160 wrote to memory of 1800	1160	file.exe	cmd.exe
PID 1160 wrote to memory of 1800	1160	file.exe	cmd.exe
PID 1160 wrote to memory of 1800	1160	file.exe	cmd.exe
PID 1800 wrote to memory of 828	1800	cmd.exe	timeout.exe
PID 1800 wrote to memory of 828	1800	cmd.exe	timeout.exe
PID 1800 wrote to memory of 828	1800	cmd.exe	timeout.exe
PID 1800 wrote to memory of 1648	1800	cmd.exe	svchost.exe
PID 1800 wrote to memory of 1648	1800	cmd.exe	svchost.exe
PID 1800 wrote to memory of 1648	1800	cmd.exe	svchost.exe
PID 1648 wrote to memory of 1228	1648	svchost.exe	powershell.exe
PID 1648 wrote to memory of 1228	1648	svchost.exe	powershell.exe
PID 1648 wrote to memory of 1228	1648	svchost.exe	powershell.exe
PID 1648 wrote to memory of 1712	1648	svchost.exe	MSBuild.exe
PID 1648 wrote to memory of 1712	1648	svchost.exe	MSBuild.exe
PID 1648 wrote to memory of 1712	1648	svchost.exe	MSBuild.exe
PID 1648 wrote to memory of 276	1648	svchost.exe	EdmGen.exe
PID 1648 wrote to memory of 276	1648	svchost.exe	EdmGen.exe
PID 1648 wrote to memory of 276	1648	svchost.exe	EdmGen.exe
PID 1648 wrote to memory of 800	1648	svchost.exe	InstallUtil.exe
PID 1648 wrote to memory of 800	1648	svchost.exe	InstallUtil.exe
PID 1648 wrote to memory of 800	1648	svchost.exe	InstallUtil.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1648 wrote to memory of 1492	1648	svchost.exe	jsc.exe
PID 1492 wrote to memory of 1692	1492	jsc.exe	netsh.exe
PID 1492 wrote to memory of 1692	1492	jsc.exe	netsh.exe
PID 1492 wrote to memory of 1692	1492	jsc.exe	netsh.exe
PID 1492 wrote to memory of 1692	1492	jsc.exe	netsh.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

outlook_office_path 1 IoCs

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

Processes:

jsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:572

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp147B.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:828

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- UAC bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Sets service image path in registry
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1648

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1228

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
4⤵
PID:1712

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
4⤵
PID:276

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
4⤵
PID:800

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\jsc.exe"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1492

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
5⤵
PID:1692

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Bypass User Account Control

T1088

Scheduled Task

T1053

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

Virtualization/Sandbox Evasion

System Information Discovery