ec4a958ab73fa233b4bb5cbaf68ea3486384997d53740bfa9c3307ce150a59dd

Analysis

max time kernel
144s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
28/04/2024, 10:49

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General

Target

rtinfo32.dll
Size

492KB
MD5

2e7becfa5a8431cdc7b0de522c5a96a4
SHA1

ae949e3082a95c8a92a21c6935a486f61701952e
SHA256

52f6aefb309ab0429538525c9137aa1973589f770dc7f8b358e49c1fcd385514
SHA512

c707148c37a9dbd2793a3a82e7625dc86c03ef64ef463de363cebdd7a95c72929af56ef69de6a7e20983c1917dc486705e01442da9b192ec961992ca6bf617bb
SSDEEP

12288:O3He1ceSlj0NSczfwFpBwtCtm1ChZHl7MQxlEcB:3wFzZHlFxlt

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 59 IoCs

description	ioc	Process
File created	C:\Windows\INF\PerceptionSimulationSixDof.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsvirtualization.PNF	rundll32.exe
File created	C:\Windows\INF\c_display.PNF	rundll32.exe
File created	C:\Windows\INF\c_media.PNF	rundll32.exe
File created	C:\Windows\INF\c_smrvolume.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsquotamgmt.PNF	rundll32.exe
File created	C:\Windows\INF\rdcameradriver.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsreplication.PNF	rundll32.exe
File created	C:\Windows\INF\c_swcomponent.PNF	rundll32.exe
File created	C:\Windows\INF\c_nvmedisk.PNF	rundll32.exe
File created	C:\Windows\INF\c_cashdrawer.PNF	rundll32.exe
File created	C:\Windows\INF\wsdprint.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsopenfilebackup.PNF	rundll32.exe
File created	C:\Windows\INF\c_monitor.PNF	rundll32.exe
File created	C:\Windows\INF\c_mcx.PNF	rundll32.exe
File created	C:\Windows\INF\c_fssystem.PNF	rundll32.exe
File created	C:\Windows\INF\c_fssystemrecovery.PNF	rundll32.exe
File created	C:\Windows\INF\c_netdriver.PNF	rundll32.exe
File created	C:\Windows\INF\c_fscopyprotection.PNF	rundll32.exe
File created	C:\Windows\INF\c_fshsm.PNF	rundll32.exe
File created	C:\Windows\INF\xusb22.PNF	rundll32.exe
File created	C:\Windows\INF\remoteposdrv.PNF	rundll32.exe
File created	C:\Windows\INF\c_processor.PNF	rundll32.exe
File created	C:\Windows\INF\c_sslaccel.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsphysicalquotamgmt.PNF	rundll32.exe
File created	C:\Windows\INF\c_receiptprinter.PNF	rundll32.exe
File created	C:\Windows\INF\c_extension.PNF	rundll32.exe
File created	C:\Windows\INF\c_ucm.PNF	rundll32.exe
File created	C:\Windows\INF\c_computeaccelerator.PNF	rundll32.exe
File created	C:\Windows\INF\c_diskdrive.PNF	rundll32.exe
File created	C:\Windows\INF\c_volume.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsactivitymonitor.PNF	rundll32.exe
File created	C:\Windows\INF\c_fscfsmetadataserver.PNF	rundll32.exe
File created	C:\Windows\INF\c_apo.PNF	rundll32.exe
File created	C:\Windows\INF\miradisp.PNF	rundll32.exe
File created	C:\Windows\INF\c_fssecurityenhancer.PNF	rundll32.exe
File created	C:\Windows\INF\c_magneticstripereader.PNF	rundll32.exe
File created	C:\Windows\INF\c_proximity.PNF	rundll32.exe
File created	C:\Windows\INF\rawsilo.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsencryption.PNF	rundll32.exe
File created	C:\Windows\INF\c_firmware.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsundelete.PNF	rundll32.exe
File created	C:\Windows\INF\digitalmediadevice.PNF	rundll32.exe
File created	C:\Windows\INF\ts_generic.PNF	rundll32.exe
File created	C:\Windows\INF\c_scmdisk.PNF	rundll32.exe
File created	C:\Windows\INF\oposdrv.PNF	rundll32.exe
File created	C:\Windows\INF\c_fscontentscreener.PNF	rundll32.exe
File created	C:\Windows\INF\c_barcodescanner.PNF	rundll32.exe
File created	C:\Windows\INF\c_holographic.PNF	rundll32.exe
File created	C:\Windows\INF\c_primitive.PNF	rundll32.exe
File created	C:\Windows\INF\c_linedisplay.PNF	rundll32.exe
File created	C:\Windows\INF\c_smrdisk.PNF	rundll32.exe
File created	C:\Windows\INF\c_scmvolume.PNF	rundll32.exe
File created	C:\Windows\INF\c_camera.PNF	rundll32.exe
File created	C:\Windows\INF\dc1-controller.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsantivirus.PNF	rundll32.exe
File created	C:\Windows\INF\c_fsinfrastructure.PNF	rundll32.exe
File created	C:\Windows\INF\c_fscompression.PNF	rundll32.exe
File created	C:\Windows\INF\c_fscontinuousbackup.PNF	rundll32.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 16 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000001	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Phantom	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000002	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Phantom	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 3156	3036	rundll32.exe	78
PID 3036 wrote to memory of 3156	3036	rundll32.exe	78
PID 3036 wrote to memory of 3156	3036	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtinfo32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\rtinfo32.dll,#1
  2⤵
  - Drops file in Windows directory
  - Checks SCSI registry key(s)
  PID:3156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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