saintbot | e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2

Processes:

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe

Drops startup file 2 IoCs

Processes:

Microsoft Edge.exee0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.exe	Microsoft Edge.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.exe	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe

Executes dropped EXE 1 IoCs

Processes:

Microsoft Edge.exe

pid	Process
1852	Microsoft Edge.exe

Loads dropped DLL 2 IoCs

Processes:

Microsoft Edge.exeEhStorAuthn.exe

pid	Process
1852	Microsoft Edge.exe
1288	EhStorAuthn.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

EhStorAuthn.exee0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exeMicrosoft Edge.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	EhStorAuthn.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	EhStorAuthn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	Microsoft Edge.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Microsoft Edge.exe

Drops file in System32 directory 1 IoCs

Processes:

EhStorAuthn.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\EhStorAuthn.exe	EhStorAuthn.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
1776	4960	WerFault.exe	92
4024	1852	WerFault.exe	100

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

Processes:

EhStorAuthn.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	EhStorAuthn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EhStorAuthn.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/Job

Processes:

schtasks.exe

pid	Process
5064	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
864	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Microsoft Edge.exe

pid	Process
1852	Microsoft Edge.exe
1852	Microsoft Edge.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.execmd.exeMicrosoft Edge.exeEhStorAuthn.exe

description	pid	Process	procid_target
PID 4960 wrote to memory of 1852	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	100
PID 4960 wrote to memory of 1852	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	100
PID 4960 wrote to memory of 1852	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	100
PID 4960 wrote to memory of 1552	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	101
PID 4960 wrote to memory of 1552	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	101
PID 4960 wrote to memory of 1552	4960	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	101
PID 1552 wrote to memory of 864	1552	cmd.exe	105
PID 1552 wrote to memory of 864	1552	cmd.exe	105
PID 1552 wrote to memory of 864	1552	cmd.exe	105
PID 1552 wrote to memory of 3824	1552	cmd.exe	108
PID 1552 wrote to memory of 3824	1552	cmd.exe	108
PID 1552 wrote to memory of 3824	1552	cmd.exe	108
PID 1852 wrote to memory of 1288	1852	Microsoft Edge.exe	110
PID 1852 wrote to memory of 1288	1852	Microsoft Edge.exe	110
PID 1852 wrote to memory of 1288	1852	Microsoft Edge.exe	110
PID 1852 wrote to memory of 1288	1852	Microsoft Edge.exe	110
PID 1288 wrote to memory of 5064	1288	EhStorAuthn.exe	113
PID 1288 wrote to memory of 5064	1288	EhStorAuthn.exe	113
PID 1288 wrote to memory of 5064	1288	EhStorAuthn.exe	113

C:\Users\Admin\AppData\Local\Temp\e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
"C:\Users\Admin\AppData\Local\Temp\e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\EhStorAuthn.exe
    "C:\Windows\System32\EhStorAuthn.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1288
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 5 /tn "Maintenance" /tr "C:\Users\%USERNAME%\AppData\Local\z_%USERNAME%\%USERNAME%.vbs" /F
      4⤵
      Creates scheduled task(s)
      PID:5064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 648
    3⤵
    - Program crash
    PID:4024
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:864
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:3824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 1140
  2⤵
  - Program crash
  PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4960 -ip 4960
1⤵
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1852 -ip 1852
1⤵
PID:2672

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4072 --field-trial-handle=2972,i,4036376905309803364,5412922217215781933,262144 --variations-seed-version /prefetch:8
1⤵
PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

T1018

System Information Discovery

4