Overview
overview
6Static
static
3ASYCFILT.dll
windows7-x64
1ASYCFILT.dll
windows10-2004-x64
1AUTORUN.exe
windows7-x64
1AUTORUN.exe
windows10-2004-x64
1BYDS.exe
windows7-x64
6BYDS.exe
windows10-2004-x64
6COMCAT.dll
windows7-x64
1COMCAT.dll
windows10-2004-x64
1DAO350.dll
windows7-x64
1DAO350.dll
windows10-2004-x64
1DBGRDCHS.dll
windows7-x64
1DBGRDCHS.dll
windows10-2004-x64
1DBGRID32.dll
windows7-x64
1DBGRID32.dll
windows10-2004-x64
1MCI32.dll
windows7-x64
1MCI32.dll
windows10-2004-x64
1MCICHS.dll
windows7-x64
1MCICHS.dll
windows10-2004-x64
1MSCC2CHS.dll
windows7-x64
1MSCC2CHS.dll
windows10-2004-x64
1MSCMCCHS.dll
windows7-x64
1MSCMCCHS.dll
windows10-2004-x64
1MSCOMCT2.dll
windows7-x64
1MSCOMCT2.dll
windows10-2004-x64
1MSCOMCTL.dll
windows7-x64
1MSCOMCTL.dll
windows10-2004-x64
1MSJET35.dll
windows7-x64
1MSJET35.dll
windows10-2004-x64
1MSJINT35.dll
windows7-x64
1MSJINT35.dll
windows10-2004-x64
1MSJTER35.dll
windows7-x64
1MSJTER35.dll
windows10-2004-x64
1Analysis
-
max time kernel
141s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 08:15
Static task
static1
Behavioral task
behavioral1
Sample
ASYCFILT.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral2
Sample
ASYCFILT.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
AUTORUN.exe
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral4
Sample
AUTORUN.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
BYDS.exe
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral6
Sample
BYDS.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
COMCAT.dll
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral8
Sample
COMCAT.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
DAO350.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral10
Sample
DAO350.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
DBGRDCHS.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral12
Sample
DBGRDCHS.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral13
Sample
DBGRID32.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral14
Sample
DBGRID32.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral15
Sample
MCI32.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral16
Sample
MCI32.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral17
Sample
MCICHS.dll
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral18
Sample
MCICHS.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral19
Sample
MSCC2CHS.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral20
Sample
MSCC2CHS.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
Behavioral task
behavioral21
Sample
MSCMCCHS.dll
Resource
win7-20240215-en
windows7-x64
Behavioral task
behavioral22
Sample
MSCMCCHS.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral23
Sample
MSCOMCT2.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral24
Sample
MSCOMCT2.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral25
Sample
MSCOMCTL.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral26
Sample
MSCOMCTL.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral27
Sample
MSJET35.dll
Resource
win7-20240220-en
windows7-x64
Behavioral task
behavioral28
Sample
MSJET35.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral29
Sample
MSJINT35.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral30
Sample
MSJINT35.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
Behavioral task
behavioral31
Sample
MSJTER35.dll
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral32
Sample
MSJTER35.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
General
-
Target
DAO350.dll
-
Size
556KB
-
MD5
8888bdbd4e118d915d40a11748282bca
-
SHA1
4e8822d2242d175cc3d708843e2cd71b7ee7033d
-
SHA256
a4b20735be317a924d2e36707baaf911fbae890ca53c5044fb506f15d33bcb6d
-
SHA512
a96f5e72905571de84f515dd8a19c87d5143ead532bf01f0132da8262974bfaf910f24b466d49cd4ee83845fc65f02c273a550786854aec3e0f4fa713929b562
-
SSDEEP
6144:lO4zReIcAtVXrPsS3Syvqe4v2QeD8yCaDSCwBwAlvz6Bm2hf9QdHHtMMeOh4J7Wu:lO4zRe7AvBiyvqe4pe7wHlv1tO7VYFk
Malware Config
Signatures
-
Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000017-0000-0010-8000-00AA006D2EA4}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000000A0-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.DBEngine.35\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.PrivateDBEngine.35\CLSID\ = "{00000011-0000-0010-8000-00AA006D2EA4}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Index.35\CLSID\ = "{00000015-0000-0010-8000-00AA006D2EA4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000014-0000-0010-8000-00AA006D2EA4}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000023-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.DBEngine.35\ = "Microsoft DAO 3.51 Object Library DBEngine" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.TableDef.35 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Index.35\ = "Microsoft DAO 3.51 Object Library Index" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4}\ = "DAO.DBEngine.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DAO350.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000004B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000033-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000061-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000014-0000-0010-8000-00AA006D2EA4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4}\ProgID\ = "DAO.Index.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DAO350.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000018-0000-0010-8000-00AA006D2EA4}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000019-0000-0010-8000-00AA006D2EA4}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000018-0000-0010-8000-00AA006D2EA4}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000033-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000051-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000063-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000093-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Group.35\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000013-0000-0010-8000-00AA006D2EA4}\ = "DAO.TableDef.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000003B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000081-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{00025E01-0000-0000-C000-000000000046}\4.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000081-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000091-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Group.35 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000013-0000-0010-8000-00AA006D2EA4}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000014-0000-0010-8000-00AA006D2EA4}\ = "DAO.Field.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DAO350.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000019-0000-0010-8000-00AA006D2EA4}\ = "DAO.Relation.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000009B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.DBEngine.35\CLSID\ = "{00000010-0000-0010-8000-00AA006D2EA4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000011-0000-0010-8000-00AA006D2EA4}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000083-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000093-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.QueryDef.35\CLSID\ = "{00000018-0000-0010-8000-00AA006D2EA4}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Relation.35 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000083-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000099-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000000A2-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000039-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000005D-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000014-0000-0010-8000-00AA006D2EA4}\ProgID\ = "DAO.Field.35" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000018-0000-0010-8000-00AA006D2EA4}\ = "DAO.QueryDef.35" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000019-0000-0010-8000-00AA006D2EA4} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000069-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.PrivateDBEngine.35\ = "Microsoft DAO 3.51 Object Library PrivateDBEngine" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DAO.Group.35\ = "Microsoft DAO 3.51 Object Library Group" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}\ProgID\ = "DAO.Group.35" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{00025E01-0000-0000-C000-000000000046}\4.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000079-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000021-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000059-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 3016 wrote to memory of 4416 3016 regsvr32.exe regsvr32.exe PID 3016 wrote to memory of 4416 3016 regsvr32.exe regsvr32.exe PID 3016 wrote to memory of 4416 3016 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\DAO350.dll1⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\DAO350.dll2⤵
- Modifies registry class
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:81⤵