8c2ecd1251a00ea84c020a4196d1aa282b1dc2328f3caaf4131906be62b2e3dd

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 11:30

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General

Target

Cool MP3 Splitter & Joiner/mp3play.dll
Size

376KB
MD5

5435e6f7f9f59a9c7364651b7a9d0647
SHA1

2d37434401ca173aa31db002b9a75cebbb32fba3
SHA256

ca291c3f2be07a2ff3e5953c5e80f36f3e0f4902b5f6ba4786a179575142a163
SHA512

beef356a15f0bb589fccf50deecca8aee279a0f04298d09cf4c7ff2f02eb85ab7b72813ca3108bad0a92a5b8552383ec4c8ffb3c21d358fc21a6cfb95e18dd45
SSDEEP

6144:Ldr30L30HB26aG1y2WBhqA2ryeIulsczr/GVIaB01KJLKx:LdL2xjx2rEOzTT

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\Mp3Play.Mp3PlayCtrl.1\ = "Dialog-Medien Mp3Play ??"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\ = "{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10E-6EF0-11D1-A6AA-0020AFE4DE54}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\ = "{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\ = "Dialog-Medien Mp3Play ActiveX Control module"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10E-6EF0-11D1-A6AA-0020AFE4DE54}\ = "Dialog-medien Mp3Play ???"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Mp3Play.Mp3PlayCtrl.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cool MP3 Splitter & Joiner"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\ = "Dialog-Medien Mp3Play ??"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cool MP3 Splitter & Joiner\\mp3play.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\ = "{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\COOLMP~1\\mp3play.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\Control\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\ = "{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10E-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10E-6EF0-11D1-A6AA-0020AFE4DE54}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\COOLMP~1\\mp3play.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\ = "_DMp3Play"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ = "_DMp3PlayEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Mp3Play.Mp3PlayCtrl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Mp3Play.Mp3PlayCtrl.1\CLSID\ = "{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\COOLMP~1\\mp3play.dll, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ = "_DMp3PlayEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\ProgID\ = "Mp3Play.Mp3PlayCtrl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}\1.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3B00B10C-6EF0-11D1-A6AA-0020AFE4DE54}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3B00B10D-6EF0-11D1-A6AA-0020AFE4DE54}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3B00B10B-6EF0-11D1-A6AA-0020AFE4DE54}\TypeLib\ = "{3B00B10A-6EF0-11D1-A6AA-0020AFE4DE54}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2160	2384	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\mp3play.dll"
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\regsvr32.exe
  /s "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\mp3play.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2160

Network

MITRE ATT&CK Enterprise v15

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

Windows 7 deprecation

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