vidar | fb70d59686e9c99b78c715127367fa46eea1359baf7ff6e0644ff19d0674359e

pid	Process
264	chrome.exe
2092	chrome.exe
3452	chrome.exe
5096	chrome.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	lem.tmp

Executes dropped EXE 5 IoCs

pid	Process
4828	lem.exe
5032	lem.tmp
4728	lem.exe
948	lem.tmp
3620	Start10ThemeEdit.exe

Loads dropped DLL 6 IoCs

pid	Process
5032	lem.tmp
5032	lem.tmp
5032	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp

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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4756	powershell.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	lem.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Start10ThemeEdit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lem.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lem.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lem.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Start10ThemeEdit.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Start10ThemeEdit.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

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

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133845000932591972"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4756	powershell.exe
4756	powershell.exe
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
948	lem.tmp
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe
264	chrome.exe
264	chrome.exe
3620	Start10ThemeEdit.exe
3620	Start10ThemeEdit.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
264	chrome.exe
264	chrome.exe
264	chrome.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	powershell.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe
Token: SeShutdownPrivilege	264	chrome.exe
Token: SeCreatePagefilePrivilege	264	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
948	lem.tmp
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe
264	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 4828	4756	powershell.exe	87
PID 4756 wrote to memory of 4828	4756	powershell.exe	87
PID 4756 wrote to memory of 4828	4756	powershell.exe	87
PID 4828 wrote to memory of 5032	4828	lem.exe	88
PID 4828 wrote to memory of 5032	4828	lem.exe	88
PID 4828 wrote to memory of 5032	4828	lem.exe	88
PID 5032 wrote to memory of 4728	5032	lem.tmp	90
PID 5032 wrote to memory of 4728	5032	lem.tmp	90
PID 5032 wrote to memory of 4728	5032	lem.tmp	90
PID 4728 wrote to memory of 948	4728	lem.exe	91
PID 4728 wrote to memory of 948	4728	lem.exe	91
PID 4728 wrote to memory of 948	4728	lem.exe	91
PID 948 wrote to memory of 3620	948	lem.tmp	94
PID 948 wrote to memory of 3620	948	lem.tmp	94
PID 948 wrote to memory of 3620	948	lem.tmp	94
PID 3620 wrote to memory of 264	3620	Start10ThemeEdit.exe	95
PID 3620 wrote to memory of 264	3620	Start10ThemeEdit.exe	95
PID 264 wrote to memory of 3860	264	chrome.exe	96
PID 264 wrote to memory of 3860	264	chrome.exe	96
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3008	264	chrome.exe	97
PID 264 wrote to memory of 3856	264	chrome.exe	98
PID 264 wrote to memory of 3856	264	chrome.exe	98
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99
PID 264 wrote to memory of 4660	264	chrome.exe	99

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\fb70d59686e9c99b78c715127367fa46eea1359baf7ff6e0644ff19d0674359e.ps1
1⤵
- Blocklisted process makes network request
- Downloads MZ/PE file
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Roaming\lem.exe
  "C:\Users\Admin\AppData\Roaming\lem.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Users\Admin\AppData\Local\Temp\is-2T57S.tmp\lem.tmp
    "C:\Users\Admin\AppData\Local\Temp\is-2T57S.tmp\lem.tmp" /SL5="$D01E2,15291586,119296,C:\Users\Admin\AppData\Roaming\lem.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5032
  - - C:\Users\Admin\AppData\Roaming\lem.exe
      "C:\Users\Admin\AppData\Roaming\lem.exe" /VERYSILENT
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4728
    - - C:\Users\Admin\AppData\Local\Temp\is-RPPVC.tmp\lem.tmp
        
        "C:\Users\Admin\AppData\Local\Temp\is-RPPVC.tmp\lem.tmp" /SL5="$9022C,15291586,119296,C:\Users\Admin\AppData\Roaming\lem.exe" /VERYSILENT
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:948
      - C:\Users\Admin\AppData\Roaming\{2836644D-224C-4C95-892D-5D57DDC11073}\Start10ThemeEdit.exe
        
        "C:\Users\Admin\AppData\Roaming\{2836644D-224C-4C95-892D-5D57DDC11073}\Start10ThemeEdit.exe" allodial.a3x
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3620
        
        C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
        7⤵
        Uses browser remote debugging
        Enumerates system info in registry
        Modifies data under HKEY_USERS
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of FindShellTrayWindow
        Suspicious use of WriteProcessMemory
        
        PID:264
        
        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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffb3a5ccc40,0x7ffb3a5ccc4c,0x7ffb3a5ccc58
        8⤵
        
        PID:3860
        
        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=1700,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=1704 /prefetch:2
        8⤵
        
        PID:3008
        
        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=1880,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2064 /prefetch:3
        8⤵
        
        PID:3856
        
        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=2236,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2284 /prefetch:8
        8⤵
        
        PID:4660
        
        C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3172,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3192 /prefetch:1
        8⤵
        Uses browser remote debugging
        
        PID:2092
        
        C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3212,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3224 /prefetch:1
        8⤵
        Uses browser remote debugging
        
        PID:3452
        
        C:\Program Files\Google\Chrome\Application\chrome.exe
        
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4008,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4520 /prefetch:1
        8⤵
        Uses browser remote debugging
        
        PID:5096
        
        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=4192,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4724 /prefetch:8
        8⤵
        
        PID:3144
        
        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=4568,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4836 /prefetch:8
        8⤵
        
        PID:676
        
        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 --no-appcompat-clear --field-trial-handle=4212,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4824 /prefetch:8
        8⤵
        
        PID:1548
        
        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=4900,i,8940842668065955673,18381217716497029707,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4980 /prefetch:8
        8⤵
        
        PID:1480

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:4840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Modify Authentication Process

Privilege Escalation

Defense Evasion

Modify Authentication Process

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

Query Registry

System Information Discovery