Analysis
-
max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-12-2023 17:46
Behavioral task
behavioral1
Sample
32079660b7cf3ef4fcf071fa22e95803.dll
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
32079660b7cf3ef4fcf071fa22e95803.dll
Resource
win10v2004-20231215-en
windows10-2004-x64
3 signatures
150 seconds
General
-
Target
32079660b7cf3ef4fcf071fa22e95803.dll
-
Size
103KB
-
MD5
32079660b7cf3ef4fcf071fa22e95803
-
SHA1
dd2a9a2bcea6361b55c475f66a3542a5d1e6ca07
-
SHA256
e8429a3396e82228f4ce3387ac2a0de5646f470fee3beec8156ce39ac3dfffaf
-
SHA512
afbda6687ee090115570c169ca593333da5946ed93931e1ce244d5bddaa01636198a521371f02730ae68837732e28e859e700f6f050e4d351e59993f5c10ea0b
-
SSDEEP
3072:0uUE02r5/E0GyhGltxhQoXdz9hGhM6IKj8d:0uD3V/16tzFdz9hG66Z
Score
7/10
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/2256-0-0x0000000010000000-0x0000000010044000-memory.dmp upx -
Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.Udp.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.DartStrings.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CA4FC24B-C65C-11D1-AA6F-000000000000}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDD136CE-517B-11D2-AD03-00105A17B608}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0C1F87AD-AE62-11D3-911C-00105A17B608}\TypeLib\ = "{1D8A3351-C678-11D1-AA6F-000000000000}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.Tcp.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.System regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CA4FC24B-C65C-11D1-AA6F-000000000000}\MiscStatus\1\ = "132497" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F99A075-5227-11D2-AD06-00105A17B608}\MiscStatus\1\ = "132497" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.DartStrings\CurVer\ = "Dart.DartStrings.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9D55102-9683-11D2-BA68-0040053687FE}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F1D12D5-FA60-11D1-AA98-0020AFFAEFB4}\TypeLib\ = "{1D8A3351-C678-11D1-AA6F-000000000000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\ = "_IDaemonEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CA4FC24B-C65C-11D1-AA6F-000000000000}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CA4FC24B-C65C-11D1-AA6F-000000000000}\VersionIndependentProgID\ = "Dart.Tcp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0F1D12D5-FA60-11D1-AA98-0020AFFAEFB4}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{371D0744-7A57-11D2-AD5A-00105A17B608} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{371D0742-7A57-11D2-AD5A-00105A17B608}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C1F87AE-AE62-11D3-911C-00105A17B608}\VersionIndependentProgID\ = "Dart.DartStream" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{1D8A3351-C678-11D1-AA6F-000000000000} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.DartStream\ = "DartStream Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A074-5227-11D2-AD06-00105A17B608}\ = "IDaemon" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A074-5227-11D2-AD06-00105A17B608}\TypeLib\ = "{1D8A3351-C678-11D1-AA6F-000000000000}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371D0743-7A57-11D2-AD5A-00105A17B608}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\32079660b7cf3ef4fcf071fa22e95803.dll, 221" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9D55102-9683-11D2-BA68-0040053687FE}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDD136CE-517B-11D2-AD03-00105A17B608}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.Udp\CurVer\ = "Dart.Udp.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.DartStreams\CLSID\ = "{B22FE43C-D1E8-432A-A862-9F83D5F04732}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F99A075-5227-11D2-AD06-00105A17B608}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9D55102-9683-11D2-BA68-0040053687FE}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9D55102-9683-11D2-BA68-0040053687FE}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.Daemon regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0F1D12D5-FA60-11D1-AA98-0020AFFAEFB4}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{371D0744-7A57-11D2-AD5A-00105A17B608}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.System\CurVer\ = "Dart.System.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{DDD136CE-517B-11D2-AD03-00105A17B608}\ProgID\ = "Dart.System.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8243AD9B-A8D4-474D-9C44-CE20C67D4662}\ = "IDartStreams" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.Daemon\CurVer\ = "Dart.Daemon.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371D0743-7A57-11D2-AD5A-00105A17B608}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0C1F87AD-AE62-11D3-911C-00105A17B608}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8243AD9B-A8D4-474D-9C44-CE20C67D4662}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E9D55101-9683-11D2-BA68-0040053687FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\ = "_IDaemonEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A074-5227-11D2-AD06-00105A17B608}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371D0743-7A57-11D2-AD5A-00105A17B608}\ToolboxBitmap32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B22FE43C-D1E8-432A-A862-9F83D5F04732}\ = "DartStreams Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C1F87AE-AE62-11D3-911C-00105A17B608}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B22FE43C-D1E8-432A-A862-9F83D5F04732}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DDD136CD-517B-11D2-AD03-00105A17B608}\ = "ISystem" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{371D0744-7A57-11D2-AD5A-00105A17B608}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.System\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F99A075-5227-11D2-AD06-00105A17B608}\ProgID\ = "Dart.Daemon.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Dart.DartStream\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C1F87AE-AE62-11D3-911C-00105A17B608}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\32079660b7cf3ef4fcf071fa22e95803.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0C1F87AE-AE62-11D3-911C-00105A17B608}\TypeLib\ = "{0C1F87A1-AE62-11D3-911C-00105A17B608}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A076-5227-11D2-AD06-00105A17B608}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4F99A074-5227-11D2-AD06-00105A17B608}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{371D0742-7A57-11D2-AD5A-00105A17B608}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CA4FC24B-C65C-11D1-AA6F-000000000000}\MiscStatus\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F99A075-5227-11D2-AD06-00105A17B608}\InprocServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4F99A075-5227-11D2-AD06-00105A17B608}\Version regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28 PID 2168 wrote to memory of 2256 2168 regsvr32.exe 28
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\32079660b7cf3ef4fcf071fa22e95803.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\32079660b7cf3ef4fcf071fa22e95803.dll2⤵
- Modifies registry class
PID:2256
-