8be410717226b5e873c61a30d92a767c6c6492ce6358cd79b2a41cb23dba05cd

Analysis

max time kernel
92s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 09:31

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General

Target

$PROGRAM_FILES_COMMON/Microsoft Shared/DAO/Dao350.dll
Size

556KB
MD5

8888bdbd4e118d915d40a11748282bca
SHA1

4e8822d2242d175cc3d708843e2cd71b7ee7033d
SHA256

a4b20735be317a924d2e36707baaf911fbae890ca53c5044fb506f15d33bcb6d
SHA512

a96f5e72905571de84f515dd8a19c87d5143ead532bf01f0132da8262974bfaf910f24b466d49cd4ee83845fc65f02c273a550786854aec3e0f4fa713929b562
SSDEEP

6144:lO4zReIcAtVXrPsS3Syvqe4v2QeD8yCaDSCwBwAlvz6Bm2hf9QdHHtMMeOh4J7Wu:lO4zRe7AvBiyvqe4pe7wHlv1tO7VYFk

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000000A-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000003B-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	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\{00000071-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}	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\{00000081-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000009B-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAM_FILES_COMMON\\Microsoft Shared\\DAO\\Dao350.dll"	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\{0000005B-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000043-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	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\WOW6432Node\CLSID\{00000014-0000-0010-8000-00AA006D2EA4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000019-0000-0010-8000-00AA006D2EA4}\ProgID\ = "DAO.Relation.35"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{00025E01-0000-0000-C000-000000000046}\4.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000071-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000007B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAM_FILES_COMMON\\Microsoft Shared\\DAO\\Dao350.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000029-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DAO.User.35\CLSID	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\{00000015-0000-0010-8000-00AA006D2EA4}\ = "DAO.Index.35"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}\InprocServer32	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\{00000018-0000-0010-8000-00AA006D2EA4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{000000A2-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000023-0000-0010-8000-00AA006D2EA4}\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\{00000083-0000-0010-8000-00AA006D2EA4}\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\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\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000093-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000013-0000-0010-8000-00AA006D2EA4}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000019-0000-0010-8000-00AA006D2EA4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000025-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000099-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000016-0000-0010-8000-00AA006D2EA4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000004B-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000053-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000089-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000008B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	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\WOW6432Node\CLSID\{00000018-0000-0010-8000-00AA006D2EA4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{00000083-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DAO.PrivateDBEngine.35\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DAO.User.35\CLSID\ = "{00000017-0000-0010-8000-00AA006D2EA4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DAO.QueryDef.35\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000011-0000-0010-8000-00AA006D2EA4}\InprocServer32	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\Interface\{000000A0-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0000005B-0000-0010-8000-00AA006D2EA4}\TypeLib\Version = "4.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DAO.PrivateDBEngine.35	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000010-0000-0010-8000-00AA006D2EA4}\ProgID	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\{00000017-0000-0010-8000-00AA006D2EA4}\InprocServer32\ThreadingModel = "Apartment"	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\{0000005D-0000-0010-8000-00AA006D2EA4}\TypeLib\ = "{00025E01-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000015-0000-0010-8000-00AA006D2EA4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{00025E01-0000-0000-C000-000000000046}\4.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{00025E01-0000-0000-C000-000000000046}\4.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$PROGRAM_FILES_COMMON\\Microsoft Shared\\DAO\\"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 184	4288	regsvr32.exe	83
PID 4288 wrote to memory of 184	4288	regsvr32.exe	83
PID 4288 wrote to memory of 184	4288	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES_COMMON\Microsoft Shared\DAO\Dao350.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Windows\SysWOW64\regsvr32.exe
  /s "C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES_COMMON\Microsoft Shared\DAO\Dao350.dll"
  2⤵
  - Modifies registry class
  PID:184

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Malware Config

Signatures

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Network

MITRE ATT&CK Matrix

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