remcos | 396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 4 IoCs

pid	Process
3676	._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
2764	Synaptics.exe
3040	Synaptics.exe
1924	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

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"	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1548 set thread context of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 2764 set thread context of 3040	2764	Synaptics.exe	112

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

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

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4492	schtasks.exe
412	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1996	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
2844	powershell.exe
2388	powershell.exe
1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
2388	powershell.exe
2844	powershell.exe
2764	Synaptics.exe
2764	Synaptics.exe
2764	Synaptics.exe
2764	Synaptics.exe
2764	Synaptics.exe
2764	Synaptics.exe
904	powershell.exe
4140	powershell.exe
2764	Synaptics.exe
904	powershell.exe
4140	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
Token: SeDebugPrivilege	2388	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2764	Synaptics.exe
Token: SeDebugPrivilege	904	powershell.exe
Token: SeDebugPrivilege	4140	powershell.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
3676	._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE
1996	EXCEL.EXE

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2388	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	95
PID 1548 wrote to memory of 2388	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	95
PID 1548 wrote to memory of 2388	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	95
PID 1548 wrote to memory of 2844	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	97
PID 1548 wrote to memory of 2844	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	97
PID 1548 wrote to memory of 2844	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	97
PID 1548 wrote to memory of 4492	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	99
PID 1548 wrote to memory of 4492	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	99
PID 1548 wrote to memory of 4492	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	99
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 1548 wrote to memory of 4948	1548	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	101
PID 4948 wrote to memory of 3676	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	102
PID 4948 wrote to memory of 3676	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	102
PID 4948 wrote to memory of 3676	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	102
PID 4948 wrote to memory of 2764	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	103
PID 4948 wrote to memory of 2764	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	103
PID 4948 wrote to memory of 2764	4948	396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe	103
PID 2764 wrote to memory of 904	2764	Synaptics.exe	106
PID 2764 wrote to memory of 904	2764	Synaptics.exe	106
PID 2764 wrote to memory of 904	2764	Synaptics.exe	106
PID 2764 wrote to memory of 4140	2764	Synaptics.exe	108
PID 2764 wrote to memory of 4140	2764	Synaptics.exe	108
PID 2764 wrote to memory of 4140	2764	Synaptics.exe	108
PID 2764 wrote to memory of 412	2764	Synaptics.exe	109
PID 2764 wrote to memory of 412	2764	Synaptics.exe	109
PID 2764 wrote to memory of 412	2764	Synaptics.exe	109
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 2764 wrote to memory of 3040	2764	Synaptics.exe	112
PID 3040 wrote to memory of 1924	3040	Synaptics.exe	113
PID 3040 wrote to memory of 1924	3040	Synaptics.exe	113
PID 3040 wrote to memory of 1924	3040	Synaptics.exe	113

C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
"C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548
- 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\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2388
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SBYYcyqg.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4492
- C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
  "C:\Users\Admin\AppData\Local\Temp\396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Users\Admin\AppData\Local\Temp\._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_396b9c091d6328765df31c29d2e6e5e28f2472d63052ec39447d4325b8f3bf53.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3676
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:904
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SBYYcyqg.exe"
      4⤵
      Command and Scripting Interpreter: PowerShell
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4140
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SBYYcyqg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64DF.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:412
  - - C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of WriteProcessMemory
      PID:3040
    - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1924

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:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

System Information Discovery