6603ce42132a2cb1aea51d1ff1086dbd9bbb14a18e014789239797af8110c67e

Analysis

max time kernel
94s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 12:00

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General

Target

UUUpgrade.dll
Size

165KB
MD5

786b4c5d7bf235ef003be703f33c6706
SHA1

7aa54b3a3da4ba8738aad4cfc4b298647bd5aeb5
SHA256

24f640ad04d1fb8a237e4e7fdc6c80a604db0e192db6d97a9d48de0e2733a68d
SHA512

8c60cc4f5207ea1d6217385ee87d3be8e3c1430c8be163ceac1877a255bcdf6c1aeace72bff702cdf793b8e7d852a4e1d5c310d2b1569aca0319be10554eacab
SSDEEP

3072:0quK427HZ7rVww/haXZn147MK7igz7h0eIl885UgHMF+Ny3:P3ZCggI7d7iIg88STOy3

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Control\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\UUUPGRADE.UUUpgradeCtrl.1\CLSID\ = "{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\TypeLib\ = "{BC85539C-48EA-4222-B6EE-8DA6897175DA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0E7BAF1-655E-4899-ACD4-10D055414CFB}\ = "UUUpgrade Property Page"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\ = "_DUUUpgradeEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ = "_DUUUpgrade"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UUUPGR~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib\ = "{BC85539C-48EA-4222-B6EE-8DA6897175DA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0E7BAF1-655E-4899-ACD4-10D055414CFB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UUUPGR~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\UUUPGRADE.UUUpgradeCtrl.1\ = "UUUpgrade Control"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\TypeLib\ = "{BC85539C-48EA-4222-B6EE-8DA6897175DA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ = "_DUUUpgrade"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F39804DC-F2B5-4E8B-92F1-45F7B5349C4C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0E7BAF1-655E-4899-ACD4-10D055414CFB}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UUUPGRADE.UUUpgradeCtrl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\ProgID\ = "UUUPGRADE.UUUpgradeCtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\ = "UUUpgrade ActiveX Control module"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib\ = "{BC85539C-48EA-4222-B6EE-8DA6897175DA}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UUUPGR~1.DLL, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03536919-5F7D-4506-80DF-144C74CB5B45}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UUUpgrade.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F0E7BAF1-655E-4899-ACD4-10D055414CFB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2CACD7BB-1C59-4BBB-8E81-6E83F82C813B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{BC85539C-48EA-4222-B6EE-8DA6897175DA}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\UUUPGRADE.UUUpgradeCtrl.1\CLSID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 4400	3952	regsvr32.exe	84
PID 3952 wrote to memory of 4400	3952	regsvr32.exe	84
PID 3952 wrote to memory of 4400	3952	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\UUUpgrade.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\UUUpgrade.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4400

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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