e218e7b8508a4b2b7e0900afd9e11813863982e235343410aa6d0e8f570acdbc

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/05/2026, 01:40

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
pidav.dll
Size 80KB
Sample260523-b32exacy41
SHA256 e218e7b8508a4b2b7e0900afd9e11813863982e235343410aa6d0e8f570acdbc
MD5 96e0dcb4a51891c41cca6219fa5cbe0a
SHA1 7dad4c1d71ae6435e9a4a4ad574e68fd150b07f0
SHA512 37185949f2f6ec437fee1ab73ddbb86a5073c753cdfd7b0ddd1b98eab33573f800588cbc18ae9519a1ba8dd479a44694b31010aa47ea91d9277b4023d73ced67
SSDEEP 1536:evAZHYgUUHc/zzslWyC8rIC1jc3HYNEu/MAjDsE68:eeHYg5c3N8sC5c3HRu/MAr
TLSH
T1DC834A13B7D0C0B1D5A300305E76BFE491BAE7A19EAA9A077724670C7DF16425B2E34E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums.1\ = "Albums Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavUserObject.1\CLSID\ = "{5603F3E2-FF51-4877-899E-78F1FD1848E3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Groups.1\CLSID\ = "{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pidav.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6BDF752-9B6B-4573-B002-DCDB7109310E}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavFile\CurVer\ = "DavClient.DavFile.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums\ = "Albums Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5603F3E2-FF51-4877-899E-78F1FD1848E3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pidav.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5603F3E2-FF51-4877-899E-78F1FD1848E3}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Group\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6BDF752-9B6B-4573-B002-DCDB7109310E}\ = "Group Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Album\ = "Album Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6BDF752-9B6B-4573-B002-DCDB7109310E}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6978E816-524F-4533-923B-AAC2B37FAE98}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5603F3E2-FF51-4877-899E-78F1FD1848E3}\ = "DavUserObject Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5603F3E2-FF51-4877-899E-78F1FD1848E3}\ProgID\ = "DavClient.DavUserObject.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1501E8BC-8A59-47BB-B766-4FAFD565EA3C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{41C4463C-DE46-43BE-8958-BE4AAD04FD5B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavFiles	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\AppID = "{41C4463C-DE46-43BE-8958-BE4AAD04FD5B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavFile\CLSID\ = "{6978E816-524F-4533-923B-AAC2B37FAE98}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6978E816-524F-4533-923B-AAC2B37FAE98}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6978E816-524F-4533-923B-AAC2B37FAE98}\ProgID\ = "DavClient.DavFile.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pidav.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6BDF752-9B6B-4573-B002-DCDB7109310E}\ProgID\ = "DavClient.Group.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{177287F4-E250-4FDA-BFDB-699AB6143915}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{177287F4-E250-4FDA-BFDB-699AB6143915}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\VersionIndependentProgID\ = "DavClient.Albums"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavUserObject.1\ = "DavUserObject Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5603F3E2-FF51-4877-899E-78F1FD1848E3}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\DavClient.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavFile.1\ = "DavFile Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Album.1\CLSID\ = "{177287F4-E250-4FDA-BFDB-699AB6143915}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Group\ = "Group Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6978E816-524F-4533-923B-AAC2B37FAE98}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pidav.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Album\CLSID\ = "{177287F4-E250-4FDA-BFDB-699AB6143915}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1501E8BC-8A59-47BB-B766-4FAFD565EA3C}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Groups.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6978E816-524F-4533-923B-AAC2B37FAE98}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Albums\CurVer\ = "DavClient.Albums.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavUserObject	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavFiles\ = "DavFiles Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1501E8BC-8A59-47BB-B766-4FAFD565EA3C}\ = "DavFiles Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1501E8BC-8A59-47BB-B766-4FAFD565EA3C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Groups\CLSID\ = "{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.Group.1\CLSID\ = "{C6BDF752-9B6B-4573-B002-DCDB7109310E}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DavClient.DavUserObject\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0ECA5543-A97A-40AE-B3BE-ED4B64D16EC2}\TypeLib\ = "{11A7B5E7-96C9-4AC1-A95A-AA62C842D290}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C6BDF752-9B6B-4573-B002-DCDB7109310E}\VersionIndependentProgID\ = "DavClient.Group"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{177287F4-E250-4FDA-BFDB-699AB6143915}\ = "Album Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0148B96-026F-471F-AF6B-20A0BA3A1088}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\pidav.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 4532	2516	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\pidav.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\pidav.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4532

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads