amadey | e121118eb9676ffd4bebce8890b74d47dbd7051fce8a9bc5dea45552dccdcf56

Virtualization/Sandbox Evasion

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5Q2RC_file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	74b3bce72c.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.
credential_access stealer

Steal Web Session Cookie
T1539

Modify Authentication Process
T1556

Processes:

chrome.exechrome.exechrome.exechrome.exe

pid process

2472 chrome.exe
2368 chrome.exe
2116 chrome.exe
1732 chrome.exe

pid	process
2472	chrome.exe
2368	chrome.exe
2116	chrome.exe
1732	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

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5Q2RC_file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5Q2RC_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	74b3bce72c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	74b3bce72c.exe

Executes dropped EXE 4 IoCs

Processes:

skotes.exe74b3bce72c.exeservice123.exeservice123.exe

pid process

2744 skotes.exe
1112 74b3bce72c.exe
1760 service123.exe
1772 service123.exe

pid	process
2744	skotes.exe
1112	74b3bce72c.exe
1760	service123.exe
1772	service123.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

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	5Q2RC_file.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	skotes.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	74b3bce72c.exe

Loads dropped DLL 10 IoCs

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exeWerFault.exeservice123.exeservice123.exe

pid	process
2000	5Q2RC_file.exe
2744	skotes.exe
2744	skotes.exe
1112	74b3bce72c.exe
1112	74b3bce72c.exe
2908	WerFault.exe
2908	WerFault.exe
2908	WerFault.exe
1760	service123.exe
1772	service123.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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exe

pid process

2000 5Q2RC_file.exe
2744 skotes.exe
1112 74b3bce72c.exe
Drops file in Windows directory 1 IoCs

Processes:

5Q2RC_file.exe

description ioc process

File created C:\Windows\Tasks\skotes.job 5Q2RC_file.exe
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2908 1112 WerFault.exe 74b3bce72c.exe

description	ioc	process
File created	C:\Windows\Tasks\skotes.job	5Q2RC_file.exe

pid	pid_target	process	target process
2908	1112	WerFault.exe	74b3bce72c.exe

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

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5Q2RC_file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74b3bce72c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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:

74b3bce72c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	74b3bce72c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	74b3bce72c.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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2940 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exechrome.exe

pid process

2000 5Q2RC_file.exe
2744 skotes.exe
1112 74b3bce72c.exe
2472 chrome.exe
2472 chrome.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

chrome.exe

description pid process

Token: SeShutdownPrivilege 2472 chrome.exe
Token: SeShutdownPrivilege 2472 chrome.exe

pid	process
2940	schtasks.exe

description	pid	process
Token: SeShutdownPrivilege	2472	chrome.exe
Token: SeShutdownPrivilege	2472	chrome.exe

Suspicious use of FindShellTrayWindow 35 IoCs

Processes:

5Q2RC_file.exechrome.exe

pid	process
2000	5Q2RC_file.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe
2472	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

5Q2RC_file.exeskotes.exe74b3bce72c.exechrome.exe

description	pid	process	target process
PID 2000 wrote to memory of 2744	2000	5Q2RC_file.exe	skotes.exe
PID 2000 wrote to memory of 2744	2000	5Q2RC_file.exe	skotes.exe
PID 2000 wrote to memory of 2744	2000	5Q2RC_file.exe	skotes.exe
PID 2000 wrote to memory of 2744	2000	5Q2RC_file.exe	skotes.exe
PID 2744 wrote to memory of 1112	2744	skotes.exe	74b3bce72c.exe
PID 2744 wrote to memory of 1112	2744	skotes.exe	74b3bce72c.exe
PID 2744 wrote to memory of 1112	2744	skotes.exe	74b3bce72c.exe
PID 2744 wrote to memory of 1112	2744	skotes.exe	74b3bce72c.exe
PID 1112 wrote to memory of 2472	1112	74b3bce72c.exe	chrome.exe
PID 1112 wrote to memory of 2472	1112	74b3bce72c.exe	chrome.exe
PID 1112 wrote to memory of 2472	1112	74b3bce72c.exe	chrome.exe
PID 1112 wrote to memory of 2472	1112	74b3bce72c.exe	chrome.exe
PID 2472 wrote to memory of 2064	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 2064	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 2064	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1036	2472	chrome.exe	ctfmon.exe
PID 2472 wrote to memory of 1036	2472	chrome.exe	ctfmon.exe
PID 2472 wrote to memory of 1036	2472	chrome.exe	ctfmon.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1688	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1540	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1540	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 1540	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 916	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 916	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 916	2472	chrome.exe	chrome.exe
PID 2472 wrote to memory of 916	2472	chrome.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\5Q2RC_file.exe
"C:\Users\Admin\AppData\Local\Temp\5Q2RC_file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- 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:2000
- 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
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Local\Temp\1008392001\74b3bce72c.exe
    "C:\Users\Admin\AppData\Local\Temp\1008392001\74b3bce72c.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1112
  - - C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9222 --profile-directory="Default"
      4⤵
      Uses browser remote debugging
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2472
    - - 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef70f9758,0x7fef70f9768,0x7fef70f9778
        5⤵
        
        PID:2064
    - - C:\Windows\system32\ctfmon.exe
        
        ctfmon.exe
        5⤵
        
        PID:1036
    - - 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=1116 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:2
        5⤵
        
        PID:1688
    - - 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=1516 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:8
        5⤵
        
        PID:1540
    - - 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=1644 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:8
        5⤵
        
        PID:916
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=1764 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:2116
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2320 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:2368
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1444 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:2
        5⤵
        
        PID:380
    - - C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9222 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1268 --field-trial-handle=1308,i,10559825074410443438,13802347608556833,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:1732
  - - C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1760
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1112 -s 952
      4⤵
      Loads dropped DLL
      Program crash
      PID:2908

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:1324

C:\Windows\system32\taskeng.exe
taskeng.exe {CBD50958-37C0-4EEB-A281-D3FD3C3F2B58} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
1⤵
PID:2336
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Modify Authentication Process

T1556

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Authentication Process

T1556

Virtualization/Sandbox Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

T1556

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion