a2d3d6430f6775951cf988d960cfae4093d7a1e4d0f684ddfffaf4599ace9a71

Executes dropped EXE 3 IoCs

Processes:

._cache_infected dot net installer.bin.exeSynaptics.exeSetup.exe

pid process

3772 ._cache_infected dot net installer.bin.exe
4404 Synaptics.exe
4068 Setup.exe

pid	process
3772	._cache_infected dot net installer.bin.exe
4404	Synaptics.exe
4068	Setup.exe

Suspicious Office macro 1 IoCs

Office document equipped with macros.

macro

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\PYfpI9LT.xlsm	office_macros

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

infected dot net installer.bin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation	infected dot net installer.bin.exe

Loads dropped DLL 5 IoCs

Processes:

Setup.exe

pid process

4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe

pid	process
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

infected dot net installer.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	infected dot net installer.bin.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Setup.exeEXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	Setup.exe
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

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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 1 IoCs

Processes:

infected dot net installer.bin.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	infected dot net installer.bin.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

Synaptics.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3356 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Setup.exe

pid process

4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
4068 Setup.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

3356 EXCEL.EXE
3356 EXCEL.EXE
3356 EXCEL.EXE
3356 EXCEL.EXE

pid	process
3356	EXCEL.EXE

pid	process
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe
4068	Setup.exe

pid	process
3356	EXCEL.EXE
3356	EXCEL.EXE
3356	EXCEL.EXE
3356	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

infected dot net installer.bin.exe._cache_infected dot net installer.bin.exe

description	pid	process	target process
PID 4772 wrote to memory of 3772	4772	infected dot net installer.bin.exe	._cache_infected dot net installer.bin.exe
PID 4772 wrote to memory of 3772	4772	infected dot net installer.bin.exe	._cache_infected dot net installer.bin.exe
PID 4772 wrote to memory of 3772	4772	infected dot net installer.bin.exe	._cache_infected dot net installer.bin.exe
PID 4772 wrote to memory of 4404	4772	infected dot net installer.bin.exe	Synaptics.exe
PID 4772 wrote to memory of 4404	4772	infected dot net installer.bin.exe	Synaptics.exe
PID 4772 wrote to memory of 4404	4772	infected dot net installer.bin.exe	Synaptics.exe
PID 3772 wrote to memory of 4068	3772	._cache_infected dot net installer.bin.exe	Setup.exe
PID 3772 wrote to memory of 4068	3772	._cache_infected dot net installer.bin.exe	Setup.exe
PID 3772 wrote to memory of 4068	3772	._cache_infected dot net installer.bin.exe	Setup.exe

C:\Users\Admin\AppData\Local\Temp\infected dot net installer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\infected dot net installer.bin.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4772

C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.bin.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3772

C:\a9af163d995e972acb22\Setup.exe
C:\a9af163d995e972acb22\\Setup.exe /x86 /x64 /web
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4068

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
- Modifies system certificate store
PID:4404

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:3356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

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C:\ProgramData\Synaptics\Synaptics.exe

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C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.bin.exe

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C:\Users\Admin\AppData\Local\Temp\._cache_infected dot net installer.bin.exe

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C:\Users\Admin\AppData\Local\Temp\PYfpI9LT.xlsm
MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

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C:\a9af163d995e972acb22\1025\LocalizedData.xml

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C:\a9af163d995e972acb22\1028\LocalizedData.xml

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C:\a9af163d995e972acb22\1029\LocalizedData.xml

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C:\a9af163d995e972acb22\1030\LocalizedData.xml

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C:\a9af163d995e972acb22\1031\LocalizedData.xml

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C:\a9af163d995e972acb22\1032\LocalizedData.xml

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C:\a9af163d995e972acb22\1033\LocalizedData.xml

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C:\a9af163d995e972acb22\1033\SetupResources.dll

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C:\a9af163d995e972acb22\1035\LocalizedData.xml

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C:\a9af163d995e972acb22\1036\LocalizedData.xml

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C:\a9af163d995e972acb22\1037\LocalizedData.xml

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C:\a9af163d995e972acb22\1038\LocalizedData.xml

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C:\a9af163d995e972acb22\1040\LocalizedData.xml

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C:\a9af163d995e972acb22\1041\LocalizedData.xml

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C:\a9af163d995e972acb22\1042\LocalizedData.xml

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C:\a9af163d995e972acb22\1043\LocalizedData.xml

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C:\a9af163d995e972acb22\1044\LocalizedData.xml

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C:\a9af163d995e972acb22\1045\LocalizedData.xml

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C:\a9af163d995e972acb22\1046\LocalizedData.xml

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C:\a9af163d995e972acb22\1049\LocalizedData.xml

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C:\a9af163d995e972acb22\1053\LocalizedData.xml

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C:\a9af163d995e972acb22\1055\LocalizedData.xml

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C:\a9af163d995e972acb22\2052\LocalizedData.xml

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C:\a9af163d995e972acb22\2070\LocalizedData.xml

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C:\a9af163d995e972acb22\3082\LocalizedData.xml

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C:\a9af163d995e972acb22\DHTMLHeader.html

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C:\a9af163d995e972acb22\ParameterInfo.xml

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C:\a9af163d995e972acb22\Setup.exe

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C:\a9af163d995e972acb22\Setup.exe

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C:\a9af163d995e972acb22\SetupEngine.dll

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C:\a9af163d995e972acb22\SetupUi.dll

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C:\a9af163d995e972acb22\SetupUi.xsd

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C:\a9af163d995e972acb22\SplashScreen.bmp

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C:\a9af163d995e972acb22\Strings.xml

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C:\a9af163d995e972acb22\UiInfo.xml

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C:\a9af163d995e972acb22\graphics\print.ico

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C:\a9af163d995e972acb22\graphics\save.ico

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C:\a9af163d995e972acb22\graphics\setup.ico

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C:\a9af163d995e972acb22\graphics\warn.ico

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C:\a9af163d995e972acb22\sqmapi.dll

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\a9af163d995e972acb22\1033\SetupResources.dll

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\a9af163d995e972acb22\1033\SetupResources.dll

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\a9af163d995e972acb22\SetupEngine.dll

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\a9af163d995e972acb22\SetupUi.dll

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\a9af163d995e972acb22\sqmapi.dll

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memory/3356-14-0x00007FFF44EA0000-0x00007FFF454D7000-memory.dmp

Filesize
6.2MB

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memory/3772-0-0x0000000000000000-mapping.dmp

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memory/4068-47-0x0000000002990000-0x0000000002992000-memory.dmp

Filesize
8KB

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memory/4068-6-0x0000000000000000-mapping.dmp

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memory/4404-3-0x0000000000000000-mapping.dmp

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