snakekeylogger | 10979714162c9b426a7e9b2e14a582b03b4153bdf3cbce775b69b505a2463cd0

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

Hesap_Hareketleri__20230929_194202031.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	Hesap_Hareketleri__20230929_194202031.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

Hesap_Hareketleri__20230929_194202031.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	Hesap_Hareketleri__20230929_194202031.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	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:

Hesap_Hareketleri__20230929_194202031.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Hesap_Hareketleri__20230929_194202031.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Hesap_Hareketleri__20230929_194202031.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

2532 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2776 cmd.exe

pid	process
2532	svchost.exe

pid	process
2776	cmd.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

Hesap_Hareketleri__20230929_194202031.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	Hesap_Hareketleri__20230929_194202031.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

2 checkip.dyndns.org

flow	ioc
2	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:

Hesap_Hareketleri__20230929_194202031.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Hesap_Hareketleri__20230929_194202031.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Hesap_Hareketleri__20230929_194202031.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 2532 set thread context of 2884 2532 svchost.exe CasPol.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/Job
T1053

Processes:

schtasks.exe

pid process

2912 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1696 timeout.exe

description	pid	process	target process
PID 2532 set thread context of 2884	2532	svchost.exe	CasPol.exe

pid	process
2912	schtasks.exe

pid	process
1696	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Hesap_Hareketleri__20230929_194202031.exeCasPol.exepowershell.exe

pid	process
2036	Hesap_Hareketleri__20230929_194202031.exe
2036	Hesap_Hareketleri__20230929_194202031.exe
2036	Hesap_Hareketleri__20230929_194202031.exe
2884	CasPol.exe
2884	CasPol.exe
1576	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Hesap_Hareketleri__20230929_194202031.exesvchost.exeCasPol.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2036	Hesap_Hareketleri__20230929_194202031.exe
Token: SeDebugPrivilege	2532	svchost.exe
Token: SeDebugPrivilege	2884	CasPol.exe
Token: SeDebugPrivilege	1576	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

Hesap_Hareketleri__20230929_194202031.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 2036 wrote to memory of 2624	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2624	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2624	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2624	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2776	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2776	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2776	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2036 wrote to memory of 2776	2036	Hesap_Hareketleri__20230929_194202031.exe	cmd.exe
PID 2624 wrote to memory of 2912	2624	cmd.exe	schtasks.exe
PID 2624 wrote to memory of 2912	2624	cmd.exe	schtasks.exe
PID 2624 wrote to memory of 2912	2624	cmd.exe	schtasks.exe
PID 2624 wrote to memory of 2912	2624	cmd.exe	schtasks.exe
PID 2776 wrote to memory of 1696	2776	cmd.exe	timeout.exe
PID 2776 wrote to memory of 1696	2776	cmd.exe	timeout.exe
PID 2776 wrote to memory of 1696	2776	cmd.exe	timeout.exe
PID 2776 wrote to memory of 1696	2776	cmd.exe	timeout.exe
PID 2776 wrote to memory of 2532	2776	cmd.exe	svchost.exe
PID 2776 wrote to memory of 2532	2776	cmd.exe	svchost.exe
PID 2776 wrote to memory of 2532	2776	cmd.exe	svchost.exe
PID 2776 wrote to memory of 2532	2776	cmd.exe	svchost.exe
PID 2532 wrote to memory of 1576	2532	svchost.exe	powershell.exe
PID 2532 wrote to memory of 1576	2532	svchost.exe	powershell.exe
PID 2532 wrote to memory of 1576	2532	svchost.exe	powershell.exe
PID 2532 wrote to memory of 1576	2532	svchost.exe	powershell.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.exe
PID 2532 wrote to memory of 2884	2532	svchost.exe	CasPol.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

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

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri__20230929_194202031.exe
"C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri__20230929_194202031.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:2036

C:\Windows\SysWOW64\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:2624

C:\Windows\SysWOW64\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:2912

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4192.tmp.bat""
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2776

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1696

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2532

C:\Windows\SysWOW64\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:1576

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion