amadey | 4ab71f5d38f2223abb935f9993aab0e5a7a2ca49ba8e8ed89701ffbbf4dd3d66

Virtualization/Sandbox Evasion

credential_access stealer

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0852c5dc06.exe

Downloads MZ/PE file

Uses browser remote debugging 2 TTPs 4 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
3868	chrome.exe
4616	chrome.exe
1608	chrome.exe
4928	chrome.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0852c5dc06.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0852c5dc06.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	skotes.exe

Executes dropped EXE 3 IoCs

pid	Process
3896	skotes.exe
4872	0852c5dc06.exe
3620	a8828355c1.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	0852c5dc06.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	skotes.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0852c5dc06.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1003363001\\0852c5dc06.exe"	skotes.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x0009000000023bbd-90.dat	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1160	file.exe
3896	skotes.exe
4872	0852c5dc06.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	file.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1400	3620	WerFault.exe	97

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0852c5dc06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8828355c1.exe

Kills process with taskkill 5 IoCs

evasion

pid	Process
216	taskkill.exe
5044	taskkill.exe
1008	taskkill.exe
3408	taskkill.exe
2888	taskkill.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1160	file.exe
1160	file.exe
3896	skotes.exe
3896	skotes.exe
4872	0852c5dc06.exe
4872	0852c5dc06.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1160	file.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 3896	1160	file.exe	87
PID 1160 wrote to memory of 3896	1160	file.exe	87
PID 1160 wrote to memory of 3896	1160	file.exe	87
PID 3896 wrote to memory of 4872	3896	skotes.exe	93
PID 3896 wrote to memory of 4872	3896	skotes.exe	93
PID 3896 wrote to memory of 4872	3896	skotes.exe	93
PID 3896 wrote to memory of 3620	3896	skotes.exe	97
PID 3896 wrote to memory of 3620	3896	skotes.exe	97
PID 3896 wrote to memory of 3620	3896	skotes.exe	97

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
  "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3896
- - C:\Users\Admin\AppData\Local\Temp\1003363001\0852c5dc06.exe
    "C:\Users\Admin\AppData\Local\Temp\1003363001\0852c5dc06.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4872
- - C:\Users\Admin\AppData\Local\Temp\1003364001\a8828355c1.exe
    "C:\Users\Admin\AppData\Local\Temp\1003364001\a8828355c1.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3620
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\\Program Files\\Google\\Chrome\\Application\\chrome.exe" --remote-debugging-port=9229 --profile-directory="Default"
      4⤵
      Uses browser remote debugging
      PID:3868
    - - 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=123.0.6312.123 --initial-client-data=0x100,0x104,0x108,0xe0,0x10c,0x7ffb264acc40,0x7ffb264acc4c,0x7ffb264acc58
        5⤵
        
        PID:2124
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1900,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=1896 /prefetch:2
        5⤵
        
        PID:3604
    - - 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 --no-appcompat-clear --field-trial-handle=2136,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2160 /prefetch:3
        5⤵
        
        PID:2348
    - - 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 --no-appcompat-clear --field-trial-handle=2256,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=2464 /prefetch:8
        5⤵
        
        PID:3508
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3156,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3212 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:1608
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3164,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=3248 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:4616
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9229 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4528,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4508 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:4928
    - - 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 --no-appcompat-clear --field-trial-handle=4772,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4084 /prefetch:8
        5⤵
        
        PID:3276
    - - 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 --no-appcompat-clear --field-trial-handle=4676,i,1352527423985698261,9472116756293470046,262144 --variations-seed-version=20241006-180150.222000 --mojo-platform-channel-handle=4808 /prefetch:8
        5⤵
        
        PID:2276
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3620 -s 1568
      4⤵
      Program crash
      PID:1400
- - C:\Users\Admin\AppData\Local\Temp\1003365001\8af66b72a0.exe
    "C:\Users\Admin\AppData\Local\Temp\1003365001\8af66b72a0.exe"
    3⤵
    PID:4580
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      4⤵
      Kills process with taskkill
      PID:216
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      4⤵
      Kills process with taskkill
      PID:5044
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      4⤵
      Kills process with taskkill
      PID:2888
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      4⤵
      Kills process with taskkill
      PID:1008
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      4⤵
      Kills process with taskkill
      PID:3408
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      4⤵
      PID:2796
    - - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        5⤵
        
        PID:2800
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1980 -parentBuildID 20240401114208 -prefsHandle 1912 -prefMapHandle 1872 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5b33cf90-9dfa-4b04-b5f5-5d42af74fffc} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" gpu
        6⤵
        
        PID:4692
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2420 -parentBuildID 20240401114208 -prefsHandle 2416 -prefMapHandle 2412 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b57bd17e-57fb-4205-98c1-50f6838eaf8a} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" socket
        6⤵
        
        PID:4912
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3252 -childID 1 -isForBrowser -prefsHandle 3076 -prefMapHandle 3096 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 1308 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f1c61cbd-d57e-4a0d-af04-42987bd44616} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" tab
        6⤵
        
        PID:1948
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4028 -childID 2 -isForBrowser -prefsHandle 4024 -prefMapHandle 3952 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 1308 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ba0d1278-e7fb-45be-89f6-bd3f7e054b87} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" tab
        6⤵
        
        PID:1820
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4624 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4596 -prefMapHandle 4604 -prefsLen 29090 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dbf9deb4-145d-4a3e-9e19-b09c40cef293} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" utility
        6⤵
        
        PID:5668
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5356 -childID 3 -isForBrowser -prefsHandle 5364 -prefMapHandle 5304 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1308 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0c91ae66-52e3-44fa-87c1-b2a994a3bfe9} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" tab
        6⤵
        
        PID:5512
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5512 -childID 4 -isForBrowser -prefsHandle 5520 -prefMapHandle 5524 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1308 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {aba54909-89c9-4542-b2d3-b3c5ff9207ef} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" tab
        6⤵
        
        PID:5520
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5708 -childID 5 -isForBrowser -prefsHandle 5788 -prefMapHandle 5784 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1308 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {278b506d-9248-466f-a94d-9684274b92fd} 2800 "\\.\pipe\gecko-crash-server-pipe.2800" tab
        6⤵
        
        PID:5532
- - C:\Users\Admin\AppData\Local\Temp\1003366001\72128113e5.exe
    "C:\Users\Admin\AppData\Local\Temp\1003366001\72128113e5.exe"
    3⤵
    PID:5936

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3620 -ip 3620
1⤵
PID:4440

C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
1⤵
PID:5592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Modify Authentication Process

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Authentication Process

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Modify Authentication Process

Steal Web Session Cookie

T1539

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion