snakekeylogger | bdec6f0bf7b4d3d3b78b6173b6c9fd053d80b86c43db8a9f2e7add084e4ecdc9

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	qbOdWSNNuqquo2E.exe

Executes dropped EXE 6 IoCs

pid	Process
4020	._cache_qbOdWSNNuqquo2E.exe
3672	Synaptics.exe
60	._cache_Synaptics.exe
3912	._cache_Synaptics.exe
2028	._cache_Synaptics.exe
4424	._cache_._cache_Synaptics.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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_._cache_Synaptics.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	qbOdWSNNuqquo2E.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.

flow	ioc
52	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 60 set thread context of 2028	60	._cache_Synaptics.exe	101

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	4020	WerFault.exe	82

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

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
448	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	qbOdWSNNuqquo2E.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	._cache_Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2352	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
60	._cache_Synaptics.exe
60	._cache_Synaptics.exe
3868	powershell.exe
3868	powershell.exe
4424	._cache_._cache_Synaptics.exe
4424	._cache_._cache_Synaptics.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3868	powershell.exe
Token: SeDebugPrivilege	60	._cache_Synaptics.exe
Token: SeDebugPrivilege	4424	._cache_._cache_Synaptics.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE
2352	EXCEL.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 4020	4232	qbOdWSNNuqquo2E.exe	82
PID 4232 wrote to memory of 4020	4232	qbOdWSNNuqquo2E.exe	82
PID 4232 wrote to memory of 4020	4232	qbOdWSNNuqquo2E.exe	82
PID 4232 wrote to memory of 3672	4232	qbOdWSNNuqquo2E.exe	83
PID 4232 wrote to memory of 3672	4232	qbOdWSNNuqquo2E.exe	83
PID 4232 wrote to memory of 3672	4232	qbOdWSNNuqquo2E.exe	83
PID 3672 wrote to memory of 60	3672	Synaptics.exe	84
PID 3672 wrote to memory of 60	3672	Synaptics.exe	84
PID 3672 wrote to memory of 60	3672	Synaptics.exe	84
PID 60 wrote to memory of 3868	60	._cache_Synaptics.exe	95
PID 60 wrote to memory of 3868	60	._cache_Synaptics.exe	95
PID 60 wrote to memory of 3868	60	._cache_Synaptics.exe	95
PID 60 wrote to memory of 448	60	._cache_Synaptics.exe	97
PID 60 wrote to memory of 448	60	._cache_Synaptics.exe	97
PID 60 wrote to memory of 448	60	._cache_Synaptics.exe	97
PID 60 wrote to memory of 3912	60	._cache_Synaptics.exe	100
PID 60 wrote to memory of 3912	60	._cache_Synaptics.exe	100
PID 60 wrote to memory of 3912	60	._cache_Synaptics.exe	100
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 60 wrote to memory of 2028	60	._cache_Synaptics.exe	101
PID 2028 wrote to memory of 4424	2028	._cache_Synaptics.exe	102
PID 2028 wrote to memory of 4424	2028	._cache_Synaptics.exe	102
PID 2028 wrote to memory of 4424	2028	._cache_Synaptics.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_._cache_Synaptics.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	._cache_._cache_Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\qbOdWSNNuqquo2E.exe
"C:\Users\Admin\AppData\Local\Temp\qbOdWSNNuqquo2E.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_qbOdWSNNuqquo2E.exe"
  2⤵
  - Executes dropped EXE
  PID:4020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1220
    3⤵
    - Program crash
    PID:2740
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3672
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:60
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bRBgyCtm.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3868
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bRBgyCtm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp93F3.tmp"
      4⤵
      Creates scheduled task(s)
      PID:448
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
      4⤵
      Executes dropped EXE
      PID:3912
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:2028
    - - C:\Users\Admin\AppData\Local\Temp\._cache_._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        Accesses Microsoft Outlook profiles
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:4424

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
1⤵
PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

System Information Discovery