55a418f8562684607ee0acd745595e297ab7e586d0a5d3f8328643b29c72dfa2

Virtualization/Sandbox Evasion

description	ioc	Process
File opened (read-only)	C:\Windows\System32\vboxhook.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxmrxnp.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglarrayspu.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglfeedbackspu.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglpassthroughspu.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxdisp.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxogl.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglcrutil.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglerrorspu.dll	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxoglpackspu.dll	YomiraV65.exe

Looks for VirtualBox drivers on disk 2 TTPs 4 IoCs

defense_evasion

File and Directory Discovery

Virtualization/Sandbox Evasion

description	ioc	Process
File opened (read-only)	C:\Windows\System32\drivers\VBoxVideo.sys	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\drivers\VBoxMouse.sys	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\drivers\VBoxGuest.sys	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\drivers\VBoxSF.sys	YomiraV65.exe

Looks for VirtualBox executables on disk 2 TTPs 3 IoCs

File and Directory Discovery

Virtualization/Sandbox Evasion

description	ioc	Process
File opened (read-only)	C:\Windows\System32\vboxservice.exe	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\vboxtray.exe	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\VBoxControl.exe	YomiraV65.exe

Looks for VMWare drivers on disk 2 TTPs 3 IoCs

defense_evasion

File and Directory Discovery

Virtualization/Sandbox Evasion

credential_access stealer

description	ioc	Process
File opened (read-only)	C:\Windows\System32\drivers\Vmmouse.sys	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\drivers\vmci.sys	YomiraV65.exe
File opened (read-only)	C:\Windows\System32\drivers\vmusbmouse.sys	YomiraV65.exe

Uses browser remote debugging 2 TTPs 8 IoCs

Can be used control the browser and steal sensitive information such as credentials and session cookies.

Steal Web Session Cookie

T1539

Modify Authentication Process

pid	Process
3392	msedge.exe
3508	msedge.exe
5188	msedge.exe
2920	chrome.exe
5928	chrome.exe
4820	chrome.exe
5740	chrome.exe
2352	chrome.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

T1012

System Information Discovery

T1082

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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3368	YomiraV65.exe
3368	YomiraV65.exe
3368	YomiraV65.exe
3368	YomiraV65.exe
2920	chrome.exe
2920	chrome.exe
3368	YomiraV65.exe
3368	YomiraV65.exe
3368	YomiraV65.exe
3368	YomiraV65.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2920	chrome.exe
2920	chrome.exe
2920	chrome.exe
2920	chrome.exe
3392	msedge.exe
3392	msedge.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2920	chrome.exe
Token: SeCreatePagefilePrivilege	2920	chrome.exe
Token: SeShutdownPrivilege	2920	chrome.exe
Token: SeCreatePagefilePrivilege	2920	chrome.exe
Token: SeShutdownPrivilege	2920	chrome.exe
Token: SeCreatePagefilePrivilege	2920	chrome.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2920	chrome.exe
3392	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 2920	3368	YomiraV65.exe	90
PID 3368 wrote to memory of 2920	3368	YomiraV65.exe	90
PID 2920 wrote to memory of 1560	2920	chrome.exe	91
PID 2920 wrote to memory of 1560	2920	chrome.exe	91
PID 2920 wrote to memory of 4692	2920	chrome.exe	92
PID 2920 wrote to memory of 4692	2920	chrome.exe	92
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 4736	2920	chrome.exe	93
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95
PID 2920 wrote to memory of 5556	2920	chrome.exe	95

C:\Users\Admin\AppData\Local\Temp\YomiraV65.exe
"C:\Users\Admin\AppData\Local\Temp\YomiraV65.exe"
1⤵
- Enumerates VirtualBox DLL files
- Looks for VirtualBox drivers on disk
- Looks for VirtualBox executables on disk
- Looks for VMWare drivers on disk
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files/Google/Chrome/Application/chrome.exe" --remote-debugging-port=9222 --remote-allow-origins=* "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --headless --profile-directory=Default
  2⤵
  - Uses browser remote debugging
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2920
- - 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:4 --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=133.0.6943.60 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffc8415dcf8,0x7ffc8415dd04,0x7ffc8415dd10
    3⤵
    PID:1560
- - 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 --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --field-trial-handle=2008,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=2004 /prefetch:3
    3⤵
    PID:4692
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --headless --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1976,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=1968 /prefetch:2
    3⤵
    PID:4736
- - 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=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --field-trial-handle=2536,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=2384 /prefetch:8
    3⤵
    PID:5556
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3272,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=3268 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:4820
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3316,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=3312 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:5928
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --extension-process --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4288,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=4284 /prefetch:2
    3⤵
    - Uses browser remote debugging
    PID:5740
- - C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --enable-dinosaur-easter-egg-alt-images --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4652,i,17480671579898462302,1696444103756084110,262144 --disable-features=PaintHolding --variations-seed-version=20250501-050124.630000 --mojo-platform-channel-handle=4644 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:2352
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)/Microsoft/Edge/Application/msedge.exe" --remote-debugging-port=9222 --remote-allow-origins=* "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --headless --profile-directory=Default
  2⤵
  - Uses browser remote debugging
  - Enumerates system info in registry
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  PID:3392
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=133.0.6943.99 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=133.0.3065.69 --initial-client-data=0x240,0x244,0x248,0x23c,0x2f8,0x7ffc6667f208,0x7ffc6667f214,0x7ffc6667f220
    3⤵
    PID:2716
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --always-read-main-dll --field-trial-handle=2288,i,9552404747037901492,14623691516332753117,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2284 /prefetch:3
    3⤵
    PID:1484
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --headless --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=2256,i,9552404747037901492,14623691516332753117,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2248 /prefetch:2
    3⤵
    PID:6024
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --always-read-main-dll --field-trial-handle=2848,i,9552404747037901492,14623691516332753117,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2816 /prefetch:8
    3⤵
    PID:1480
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --pdf-upsell-enabled --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=3560,i,9552404747037901492,14623691516332753117,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=3552 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:3508
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --instant-process --pdf-upsell-enabled --remote-debugging-port=9222 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --always-read-main-dll --field-trial-handle=3596,i,9552404747037901492,14623691516332753117,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=3584 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:5188

C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
1⤵
PID:4908

C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\133.0.3065.69\elevation_service.exe"
1⤵
PID:4224

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Modify Authentication Process

Privilege Escalation

Defense Evasion

Modify Authentication Process

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

File and Directory Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion