amadey | 6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3

Virtualization/Sandbox Evasion

credential_access stealer

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	skotes.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
3664	chrome.exe
3256	chrome.exe
3128	chrome.exe
3316	chrome.exe

Checks BIOS information in registry 2 TTPs 4 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	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	skotes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	skotes.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	skotes.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	skotes.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000018678-87.dat	autoit_exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
2720	skotes.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\skotes.job	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.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
564	1976	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	skotes.exe

Kills process with taskkill 5 IoCs

evasion

pid	Process
2204	taskkill.exe
1740	taskkill.exe
1712	taskkill.exe
1936	taskkill.exe
1912	taskkill.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

pid	Process
3680	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
2720	skotes.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2720	2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe	30
PID 2288 wrote to memory of 2720	2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe	30
PID 2288 wrote to memory of 2720	2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe	30
PID 2288 wrote to memory of 2720	2288	6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe	30

C:\Users\Admin\AppData\Local\Temp\6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.exe
"C:\Users\Admin\AppData\Local\Temp\6a2a807045211bc2015ebcb5c40940f3111084d1a97b8d12560ee4f140825cc3.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:2288
- 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
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2720
- - C:\Users\Admin\AppData\Local\Temp\1007851001\ba255f8a43.exe
    "C:\Users\Admin\AppData\Local\Temp\1007851001\ba255f8a43.exe"
    3⤵
    PID:1976
  - - 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
      PID:3664
    - - 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,0x7fef46f9758,0x7fef46f9768,0x7fef46f9778
        5⤵
        
        PID:3676
    - - C:\Windows\system32\ctfmon.exe
        
        ctfmon.exe
        5⤵
        
        PID:2004
    - - 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=1124 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:2
        5⤵
        
        PID:3004
    - - 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=1500 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:8
        5⤵
        
        PID:1368
    - - 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=1604 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:8
        5⤵
        
        PID:3716
    - - 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=2172 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:3128
    - - 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=2180 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:3256
    - - 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=1460 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:2
        5⤵
        
        PID:1460
    - - 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=2636 --field-trial-handle=1220,i,14017289027399499151,16172572262858136797,131072 /prefetch:1
        5⤵
        Uses browser remote debugging
        
        PID:3316
  - - C:\Users\Admin\AppData\Local\Temp\service123.exe
      "C:\Users\Admin\AppData\Local\Temp\service123.exe"
      4⤵
      PID:3984
  - - 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⤵
      Scheduled Task/Job: Scheduled Task
      PID:3680
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 964
      4⤵
      Program crash
      PID:564
- - C:\Users\Admin\AppData\Local\Temp\1007856001\6a6527b762.exe
    "C:\Users\Admin\AppData\Local\Temp\1007856001\6a6527b762.exe"
    3⤵
    PID:3004
- - C:\Users\Admin\AppData\Local\Temp\1007857001\8db8d0852c.exe
    "C:\Users\Admin\AppData\Local\Temp\1007857001\8db8d0852c.exe"
    3⤵
    PID:2232
- - C:\Users\Admin\AppData\Local\Temp\1007858001\a1433d2874.exe
    "C:\Users\Admin\AppData\Local\Temp\1007858001\a1433d2874.exe"
    3⤵
    PID:1752
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      4⤵
      Kills process with taskkill
      PID:2204
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      4⤵
      Kills process with taskkill
      PID:1740
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      4⤵
      Kills process with taskkill
      PID:1712
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      4⤵
      Kills process with taskkill
      PID:1936
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      4⤵
      Kills process with taskkill
      PID:1912
  - - 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:1692
    - - 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:2668
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.0.506030947\1268156822" -parentBuildID 20221007134813 -prefsHandle 1208 -prefMapHandle 1200 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {2d739a49-d21b-4dba-9fb8-9c771d377eca} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 1284 42f6258 gpu
        6⤵
        
        PID:2636
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.1.328464190\123744186" -parentBuildID 20221007134813 -prefsHandle 1476 -prefMapHandle 1472 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4dacbfcb-3d7c-4507-8df6-a3f3bd78041d} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 1488 e74b58 socket
        6⤵
        
        PID:2820
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.2.198834238\843194247" -childID 1 -isForBrowser -prefsHandle 2056 -prefMapHandle 2052 -prefsLen 21746 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5b43c82d-a214-4b0c-bab4-57b4f7dbacb7} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 2068 1a6e0d58 tab
        6⤵
        
        PID:2008
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.3.959377229\992488606" -childID 2 -isForBrowser -prefsHandle 2960 -prefMapHandle 2956 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {b9ebb88b-77fa-408c-8ec3-35e750659efe} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 2972 1be65a58 tab
        6⤵
        
        PID:1928
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.4.82749816\47819780" -childID 3 -isForBrowser -prefsHandle 3624 -prefMapHandle 3628 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {62dc7ae5-5166-444a-9078-bda3ac4a7631} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 3652 1fb20e58 tab
        6⤵
        
        PID:2476
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.5.971683908\1941734922" -childID 4 -isForBrowser -prefsHandle 3664 -prefMapHandle 3660 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {1e9b42c6-455c-47e9-8e04-a006fbdf5069} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 1076 1fb21a58 tab
        6⤵
        
        PID:1332
      - C:\Program Files\Mozilla Firefox\firefox.exe
        
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2668.6.1156913569\512190807" -childID 5 -isForBrowser -prefsHandle 3848 -prefMapHandle 3704 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 828 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {87a68001-d52c-41bd-b7fc-1402018738ee} 2668 "\\.\pipe\gecko-crash-server-pipe.2668" 4000 1fc94758 tab
        6⤵
        
        PID:1696
- - C:\Users\Admin\AppData\Local\Temp\1007859001\1ea40064ae.exe
    "C:\Users\Admin\AppData\Local\Temp\1007859001\1ea40064ae.exe"
    3⤵
    PID:2268

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:356

C:\Windows\system32\taskeng.exe
taskeng.exe {08B02E8A-8B11-4C9C-BF29-12EBE58F41E9} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
PID:3848
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Modify Authentication Process

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Authentication Process

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