a2d3d6430f6775951cf988d960cfae4093d7a1e4d0f684ddfffaf4599ace9a71

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

pid	Process
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.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"	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

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

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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4240	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe
4184	Setup.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3404	4724	infected dot net installer.bin.exe	75
PID 4724 wrote to memory of 3404	4724	infected dot net installer.bin.exe	75
PID 4724 wrote to memory of 3404	4724	infected dot net installer.bin.exe	75
PID 4724 wrote to memory of 3108	4724	infected dot net installer.bin.exe	76
PID 4724 wrote to memory of 3108	4724	infected dot net installer.bin.exe	76
PID 4724 wrote to memory of 3108	4724	infected dot net installer.bin.exe	76
PID 3404 wrote to memory of 4184	3404	._cache_infected dot net installer.bin.exe	77
PID 3404 wrote to memory of 4184	3404	._cache_infected dot net installer.bin.exe	77
PID 3404 wrote to memory of 4184	3404	._cache_infected dot net installer.bin.exe	77

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:4724
- 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:3404
- - C:\d85533e5378f9dd06e\Setup.exe
    C:\d85533e5378f9dd06e\\Setup.exe /x86 /x64 /web
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4184
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  PID:3108

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:4240

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4240-14-0x00007FFEE8620000-0x00007FFEE8C57000-memory.dmp

Filesize
6.2MB

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