9fe9e966d084e202f19ad05f7722a980035fd6e2840108735659e24061f0e0be

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 20:01

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General

Target

3aec70dda49cbf5eacbd7ef31730483d.dll
Size

65KB
MD5

3aec70dda49cbf5eacbd7ef31730483d
SHA1

67673a3dca14da8f82a4dbe3d3b4ce65f96cdf3b
SHA256

9fe9e966d084e202f19ad05f7722a980035fd6e2840108735659e24061f0e0be
SHA512

7d731f7681612a3ed257955e2a54e9d900aa7b834db06b2f2baf6c1e8b3de5253a7b60286736322ba4fa7ca6689822883cb8b55e7d2f1188e0ea76834fec85a3
SSDEEP

1536:5V7NsMtbWODA8IxpIP1UtAth3OifuF5R:3JW6V9UtAthJfsL

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2384-0-0x0000000010000000-0x0000000010041000-memory.dmp	upx

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess.1\CLSID\ = "{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess\ = "HTMLAccess Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3aec70dda49cbf5eacbd7ef31730483d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3aec70dda49cbf5eacbd7ef31730483d.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ = "IHTMLAccess"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess.1\ = "HTMLAccess Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess\CLSID\ = "{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\ = "HTMLAccess Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ = "_IHTMLAccessEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib\ = "{99FF4323-E68C-46DC-8F48-1F79A7005336}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess\CurVer\ = "DHTMLAccess.HTMLAccess.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\Insertable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ = "_IHTMLAccessEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\TypeLib\ = "{99FF4323-E68C-46DC-8F48-1F79A7005336}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib\ = "{99FF4323-E68C-46DC-8F48-1F79A7005336}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\ = "HTMLAccess 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F513E3DA-5579-4981-8ABC-99E411893C3D}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ = "IHTMLAccess"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\VersionIndependentProgID\ = "DHTMLAccess.HTMLAccess"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3aec70dda49cbf5eacbd7ef31730483d.dll, 101"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{99FF4323-E68C-46DC-8F48-1F79A7005336}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79733E69-6E1C-4682-BDF5-710D217A4125}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DHTMLAccess.HTMLAccess.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{946B0485-8F8C-4C35-A6E7-D2115E3B0B4F}\ProgID\ = "DHTMLAccess.HTMLAccess.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2384	1404	regsvr32.exe	88
PID 1404 wrote to memory of 2384	1404	regsvr32.exe	88
PID 1404 wrote to memory of 2384	1404	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3aec70dda49cbf5eacbd7ef31730483d.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3aec70dda49cbf5eacbd7ef31730483d.dll
  2⤵
  - Modifies registry class
  PID:2384

Network

MITRE ATT&CK Matrix

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Downloads

memory/2384-0-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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