kutaki | hxxp://opal-advisory[.]com/407[.]htm

Analysis

max time kernel
77s
max time network
78s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2023 17:08

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General

Target

http://opal-advisory.com/407.htm

Score

10^/10

kutaki keylogger stealer

Malware Config

Extracted

Family

kutaki

http://linkwotowoto.club/new/two.php

Signatures

Kutaki
Information stealer and keylogger that hides inside legitimate Visual Basic applications.
stealer keylogger kutaki

Kutaki Executable 6 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0002000000022efc-579.dat	family_kutaki
behavioral1/files/0x0002000000022efc-580.dat	family_kutaki
behavioral1/files/0x0003000000022efc-597.dat	family_kutaki
behavioral1/files/0x0003000000022efc-599.dat	family_kutaki
behavioral1/files/0x0003000000022efc-607.dat	family_kutaki
behavioral1/files/0x0004000000022f33-611.dat	family_kutaki

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

cmd.execmd.execmd.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops startup file 6 IoCs

Processes:

Tax Payment Receipt.exeTax Payment Receipt.exeTax Payment Receipt.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe	Tax Payment Receipt.exe

Executes dropped EXE 3 IoCs

Processes:

wgfnvbfk.exewgfnvbfk.exewgfnvbfk.exe

pid	Process
3776	wgfnvbfk.exe
4840	wgfnvbfk.exe
2640	wgfnvbfk.exe

Drops file in Windows directory 3 IoCs

Processes:

mspaint.exemspaint.exemspaint.exe

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	mspaint.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chrome.exe

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

Kills process with taskkill 2 IoCs

evasion

Processes:

taskkill.exetaskkill.exe

pid	Process
3340	taskkill.exe
2824	taskkill.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 = "133314089502436779"	chrome.exe

Modifies registry class 4 IoCs

Processes:

cmd.execmd.execmd.exechrome.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\Local Settings	chrome.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

chrome.exemspaint.exemspaint.exemspaint.exe

pid	Process
2000	chrome.exe
2000	chrome.exe
3232	mspaint.exe
3232	mspaint.exe
3332	mspaint.exe
3332	mspaint.exe
4772	mspaint.exe
4772	mspaint.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

Processes:

chrome.exe

pid	Process
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

chrome.exe

description	pid	Process
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe
Token: SeShutdownPrivilege	2000	chrome.exe
Token: SeCreatePagefilePrivilege	2000	chrome.exe

Suspicious use of FindShellTrayWindow 33 IoCs

Processes:

chrome.exe

pid	Process
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

chrome.exe

pid	Process
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe
2000	chrome.exe

Suspicious use of SetWindowsHookEx 30 IoCs

Processes:

Tax Payment Receipt.exewgfnvbfk.exemspaint.exeTax Payment Receipt.exemspaint.exewgfnvbfk.exeTax Payment Receipt.exemspaint.exewgfnvbfk.exe

pid	Process
3120	Tax Payment Receipt.exe
3120	Tax Payment Receipt.exe
3120	Tax Payment Receipt.exe
3776	wgfnvbfk.exe
3776	wgfnvbfk.exe
3776	wgfnvbfk.exe
3232	mspaint.exe
3232	mspaint.exe
3232	mspaint.exe
3232	mspaint.exe
4164	Tax Payment Receipt.exe
4164	Tax Payment Receipt.exe
4164	Tax Payment Receipt.exe
3332	mspaint.exe
3332	mspaint.exe
3332	mspaint.exe
3332	mspaint.exe
4840	wgfnvbfk.exe
4840	wgfnvbfk.exe
4840	wgfnvbfk.exe
4640	Tax Payment Receipt.exe
4640	Tax Payment Receipt.exe
4640	Tax Payment Receipt.exe
4772	mspaint.exe
4772	mspaint.exe
4772	mspaint.exe
4772	mspaint.exe
2640	wgfnvbfk.exe
2640	wgfnvbfk.exe
2640	wgfnvbfk.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrome.exe

description	pid	Process	procid_target
PID 2000 wrote to memory of 4416	2000	chrome.exe	84
PID 2000 wrote to memory of 4416	2000	chrome.exe	84
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 2688	2000	chrome.exe	85
PID 2000 wrote to memory of 1180	2000	chrome.exe	86
PID 2000 wrote to memory of 1180	2000	chrome.exe	86
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87
PID 2000 wrote to memory of 2112	2000	chrome.exe	87

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://opal-advisory.com/407.htm
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:2000
- 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,0x100,0x104,0xd8,0x108,0x7ffe00489758,0x7ffe00489768,0x7ffe00489778
  2⤵
  PID:4416
- 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=1796 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:2
  2⤵
  PID:2688
- 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=2172 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:1180
- 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=2184 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:2112
- 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3004 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:1
  2⤵
  PID:3868
- 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3016 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:1
  2⤵
  PID:4844
- 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4452 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:1
  2⤵
  PID:1956
- 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=5152 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:1208
- 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=5344 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:2844
- 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=5468 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:4112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5212 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:3748
- 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=5476 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:2552
- 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=5212 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:1520
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3820 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:2308
- 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=5312 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:8
  2⤵
  PID:396
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=3816 --field-trial-handle=1792,i,13649090805651657173,9109522859550815443,131072 /prefetch:1
  2⤵
  PID:940

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:1672

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1720

C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe
"C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe"
1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
PID:3120
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp
  2⤵
  - Checks computer location settings
  - Modifies registry class
  PID:352
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp"
    3⤵
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:3232
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3776

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
1⤵
PID:724

C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe
"C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe"
1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
PID:4164
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp
  2⤵
  - Checks computer location settings
  - Modifies registry class
  PID:4404
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp"
    3⤵
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:3332
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /im wgfnvbfk.exe /f
  2⤵
  - Kills process with taskkill
  PID:3340
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4840

C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe
"C:\Users\Admin\Downloads\Tax Payment Receipt\Tax Payment Receipt.exe"
1⤵
- Drops startup file
- Suspicious use of SetWindowsHookEx
PID:4640
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp
  2⤵
  - Checks computer location settings
  - Modifies registry class
  PID:4108
- - C:\Windows\SysWOW64\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\NewBitmapimage.bmp"
    3⤵
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:4772
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /im wgfnvbfk.exe /f
  2⤵
  - Kills process with taskkill
  PID:2824
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.62.0_0\_locales\en_CA\messages.json

Filesize
851B

MD5
07ffbe5f24ca348723ff8c6c488abfb8

SHA1
6dc2851e39b2ee38f88cf5c35a90171dbea5b690

SHA256
6895648577286002f1dc9c3366f558484eb7020d52bbf64a296406e61d09599c

SHA512
7ed2c8db851a84f614d5daf1d5fe633bd70301fd7ff8a6723430f05f642ceb3b1ad0a40de65b224661c782ffcec69d996ebe3e5bb6b2f478181e9a07d8cd41f6

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ghbmnnjooekpmoecnnnilnnbdlolhkhi\1.62.0_0\dasherSettingSchema.json

Filesize
854B

MD5
4ec1df2da46182103d2ffc3b92d20ca5

SHA1
fb9d1ba3710cf31a87165317c6edc110e98994ce

SHA256
6c69ce0fe6fab14f1990a320d704fee362c175c00eb6c9224aa6f41108918ca6

SHA512
939d81e6a82b10ff73a35c931052d8d53d42d915e526665079eeb4820df4d70f1c6aebab70b59519a0014a48514833fefd687d5a3ed1b06482223a168292105d

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
1c68562c357317ab673552fa05ab67a6

SHA1
aa38ce821183d36eab6ad6d030d69c6fcd5b3635

SHA256
d04fae7c605ac7962c5aff045de3c33c58ff76b4c06c38af0bcd5c81f69c9e39

SHA512
7ef1685588016f15b463d8aef0edb55fcdea430b21cdf7a34d25591d6c9192881df3068fd723d91d6baf40c4e2d3d02b801b0e663dcdc3f4914ec97e80a7cfa4

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
6KB

MD5
9808c38903eaf286c1e6a2c54c55bdd9

SHA1
15e882a12ab775f78069d6a4c78897f9355e98f2

SHA256
eedbf96b7f861704aff87d3c47c951acec5df870eb3514fcdd609e5702512d88

SHA512
b50f38f4ceb7629496d636aa0d32b4dfee03b465be617a06ce75f605ebc5fc343191c25a77454b443fd2e4f41750596fa9043dbbc161c77c61bc75f90cfca7c1

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences

Filesize
15KB

MD5
3031d2aca8fce5feeceb9ba0ecdbbbfa

SHA1
9b1f8b8806a55ea3efcf0b9dd44ca520e87dc19e

SHA256
2db9d9721e62cbcd5c994a3621a914feaed4c5b1a2ea1fd71cfc9b5b6fe78822

SHA512
fbf91957aca6eebb4efd365c5cef1fbdc826aa18807a63a5d0c7a7b204437d994d7a0834b53b65660d878d67a3939a8e9211063308fe8d2a90157ce2128beeeb

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
157KB

MD5
e31cbde2470f61fb3a7779c1a9145994

SHA1
5ab27d08e199fb93384564bef9ba5cc5a44927a4

SHA256
e52300a4008a2b14ef258820145e7b154d95e65988c3f718e0aee7d4e565558c

SHA512
1d7f34d1726f8a8efd55b0ceede01373765a10fabb647482b8bb558f12ca6831895b3440d4c0f4dccd447865b86e47fb18f03f3f16dc9149803c9c0049892796

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\scoped_dir2000_2019922415\88880356-a615-4a73-99f2-0423b34ae5fe.tmp

Filesize
88KB

MD5
2cc86b681f2cd1d9f095584fd3153a61

SHA1
2a0ac7262fb88908a453bc125c5c3fc72b8d490e

SHA256
d412fbbeb84e2a6882b2f0267b058f2ceb97f501e440fe3f9f70fac5c2277b9c

SHA512
14ba32c3cd5b1faf100d06f78981deebbbb673299a355b6eaec88e6cb5543725242c850235a541afa8abba4a609bb2ec26e4a0526c6b198016b08d8af868b986

Download Submit
C:\Users\Admin\AppData\Local\Temp\scoped_dir2000_2019922415\CRX_INSTALL\_locales\en_CA\messages.json

Filesize
711B

MD5
558659936250e03cc14b60ebf648aa09

SHA1
32f1ce0361bbfdff11e2ffd53d3ae88a8b81a825

SHA256
2445cad863be47bb1c15b57a4960b7b0d01864e63cdfde6395f3b2689dc1444b

SHA512
1632f5a3cd71887774bf3cb8a4d8b787ea6278271657b0f1d113dbe1a7fd42c4daa717cc449f157ce8972037572b882dc946a7dc2c0e549d71982dcdee89f727

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\wgfnvbfk.exe

Filesize
641KB

MD5
0b769e0757ebbcb320f3969b039cdbf2

SHA1
d0e44fe2090c304d75cfaedc84278bb887bd6e69

SHA256
612c1442c0fe05cba647aafaad062e03dd3064b5f9f506fe5bf130487249633c

SHA512
b3711d21273c89fdfb92e78d841fe087c2ec8845f51f804fbbf6ad908b658706046452d9de7dc8cc78b5b3624fc484fa2855ae5a8863e6a8531a26ff5e657fde

Download Submit
C:\Users\Admin\Downloads\Tax Payment Receipt.zip.crdownload

Filesize
435KB

MD5
5ece1785dde8c3fc41573f0108cc866a

SHA1
c8ecf3eb089a1c5bff5dd1f3acd30b73d932b950

SHA256
f474e940c440282a407c16beabb4ee6434edc1636f2209f8590b1e82a2c564c9

SHA512
92442b600198b1a677413b690d70dbc07ceba9be2c80a341f43d1945aa7cb680e61ed2cfd2e0827c96fd137802910a2f49dee6758b1f5d7b5acad9cc5a5979d7

Download Submit
C:\Windows\Debug\WIA\wiatrace.log

Filesize
3KB

MD5
316803354462dce2fd29581376f310e7

SHA1
5f6c5d8e0cbb4ec1ce7b218a95032847e8406317

SHA256
ddf78af7d15cf1dc9cbb5dc0bb94c1d9343474842bb85ae81145e3ba55677909

SHA512
fcda73c1ef94471f2b3cee77d396a60955dea90e21804a0f416d53223573a6e373944035af5ae8c3f9ba59b6f6c8fdd8d8e44cff262e6d78e0dd745e22d6a0a7

Download Submit
C:\Windows\Debug\WIA\wiatrace.log

Filesize
7KB

MD5
f0da667513a72a17a968df39efeb450b

SHA1
34fb41683b00d62a1bce0f328ed0fd8710cb0ac6

SHA256
950e344609eeeefacc4ff25c49bf369a05b32d87453a8bb05c4f4469f8cdb0f1

SHA512
fdf4671efa8be2d66509143d5880447cd2c86611151f1d1f1f64047165ce64ffcfe94766708ae2010c5a82d5efd6c0ee707f25d51ef4515e4cf348d960ffcca0

Download Submit
\??\pipe\crashpad_2000_NOVOBKQDAQMCDISI

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit