cryptolocker | hxxps://github[.]com/ytisf/theZoo/blob/master/malware/Binaries/Ransomware[.]Cryptowall/Ransomware[.]Cryptowall[.]zip

Modify Registry

T1112

Processes:

procexp64.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\PROCEXP152\ImagePath = "\\??\\C:\\Windows\\system32\\Drivers\\PROCEXP152.SYS"	procexp64.exe

Executes dropped EXE 2 IoCs

Processes:

{34184A33-0407-212E-3320-09040709E2C2}.exe{34184A33-0407-212E-3320-09040709E2C2}.exe

pid process

1552 {34184A33-0407-212E-3320-09040709E2C2}.exe
3088 {34184A33-0407-212E-3320-09040709E2C2}.exe

pid	process
1552	{34184A33-0407-212E-3320-09040709E2C2}.exe
3088	{34184A33-0407-212E-3320-09040709E2C2}.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

Processes:

{34184A33-0407-212E-3320-09040709E2C2}.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe"	{34184A33-0407-212E-3320-09040709E2C2}.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

procexp64.exe

description	ioc	process
File opened (read-only)	\??\N:	procexp64.exe
File opened (read-only)	\??\P:	procexp64.exe
File opened (read-only)	\??\T:	procexp64.exe
File opened (read-only)	\??\Z:	procexp64.exe
File opened (read-only)	\??\A:	procexp64.exe
File opened (read-only)	\??\J:	procexp64.exe
File opened (read-only)	\??\M:	procexp64.exe
File opened (read-only)	\??\O:	procexp64.exe
File opened (read-only)	\??\W:	procexp64.exe
File opened (read-only)	\??\B:	procexp64.exe
File opened (read-only)	\??\G:	procexp64.exe
File opened (read-only)	\??\K:	procexp64.exe
File opened (read-only)	\??\Q:	procexp64.exe
File opened (read-only)	\??\L:	procexp64.exe
File opened (read-only)	\??\R:	procexp64.exe
File opened (read-only)	\??\S:	procexp64.exe
File opened (read-only)	\??\U:	procexp64.exe
File opened (read-only)	\??\V:	procexp64.exe
File opened (read-only)	\??\E:	procexp64.exe
File opened (read-only)	\??\H:	procexp64.exe
File opened (read-only)	\??\I:	procexp64.exe
File opened (read-only)	\??\X:	procexp64.exe
File opened (read-only)	\??\Y:	procexp64.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Detected potential entity reuse from brand microsoft.
phishing microsoft
Drops file in System32 directory 1 IoCs

Processes:

mmc.exe

description ioc process

File opened for modification C:\Windows\system32\eventvwr.msc mmc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1724 3696 WerFault.exe cryptowall.exe

description	ioc	process
File opened for modification	C:\Windows\system32\eventvwr.msc	mmc.exe

pid	pid_target	process	target process
1724	3696	WerFault.exe	cryptowall.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

procexp64.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	procexp64.exe
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	procexp64.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

chrome.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

Processes:

chrome.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133445366405254613"	chrome.exe

Modifies registry class 1 IoCs

Processes:

chrome.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000_Classes\Local Settings chrome.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000_Classes\Local Settings	chrome.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

chrome.exechrome.exeprocexp64.exe

pid	process
1900	chrome.exe
1900	chrome.exe
3316	chrome.exe
3316	chrome.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

mmc.exe

pid process

4880 mmc.exe
Suspicious behavior: LoadsDriver 1 IoCs

Processes:

procexp64.exe

pid process

864 procexp64.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

Processes:

chrome.exe

pid process

1900 chrome.exe
1900 chrome.exe
1900 chrome.exe
1900 chrome.exe
1900 chrome.exe
1900 chrome.exe
1900 chrome.exe

pid	process
4880	mmc.exe

pid	process
864	procexp64.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

chrome.exe

description	pid	process
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe
Token: SeShutdownPrivilege	1900	chrome.exe
Token: SeCreatePagefilePrivilege	1900	chrome.exe

Suspicious use of FindShellTrayWindow 64 IoCs

Processes:

chrome.exemmc.exe

pid	process
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
4880	mmc.exe
4880	mmc.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe

Suspicious use of SendNotifyMessage 64 IoCs

Processes:

chrome.exeprocexp64.exe

pid	process
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
1900	chrome.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe
864	procexp64.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

mmc.exeprocexp64.exe

pid process

4880 mmc.exe
4880 mmc.exe
864 procexp64.exe
864 procexp64.exe

pid	process
4880	mmc.exe
4880	mmc.exe
864	procexp64.exe
864	procexp64.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	process	target process
PID 1900 wrote to memory of 3892	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 3892	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2556	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2016	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 2016	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe
PID 1900 wrote to memory of 4568	1900	chrome.exe	chrome.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://github.com/ytisf/theZoo/blob/master/malware/Binaries/Ransomware.Cryptowall/Ransomware.Cryptowall.zip
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd64cb9758,0x7ffd64cb9768,0x7ffd64cb9778
  2⤵
  PID:3892
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1752 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:2
  2⤵
  PID:2556
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2280 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:4568
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3024 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:4340
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:2016
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3032 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:4428
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5160 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:4748
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5192 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:1760
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5344 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:3540
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1748 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3316
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4724 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:4840
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5888 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:1256
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=5920 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:2812
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=6032 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:3568
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5724 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:3864
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=916 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:4300
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --mojo-platform-channel-handle=5200 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:2140
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --mojo-platform-channel-handle=5952 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:5112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --mojo-platform-channel-handle=5708 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:1
  2⤵
  PID:4928
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5748 --field-trial-handle=1908,i,15287497822013950501,2792247198880706695,131072 /prefetch:8
  2⤵
  PID:3624

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:4636

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:60

C:\Users\Admin\Desktop\CryptoWall\cryptowall.exe
"C:\Users\Admin\Desktop\CryptoWall\cryptowall.exe"
1⤵
PID:3696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 476
  2⤵
  - Program crash
  PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3696 -ip 3696
1⤵
PID:4808

C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc" /s
1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4880

C:\Users\Admin\Downloads\SysinternalsSuite\procexp64.exe
"C:\Users\Admin\Downloads\SysinternalsSuite\procexp64.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:864

C:\Users\Admin\Desktop\CryptoWall\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe
"C:\Users\Admin\Desktop\CryptoWall\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe"
1⤵
PID:4608
- C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
  "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\Desktop\CryptoWall\{71257279-042b-371d-a1d3-fbf8d2fadffa}.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1552
- - C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w00000230
    3⤵
    - Executes dropped EXE
    PID:3088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery