c01c0bce2f0088ebdd2f006b207ab1a2e033c455c59fc21b4e8bffcd2fd20077

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 02:15

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General

Target

UFSource.dll
Size

125KB
MD5

163eea83f7479d32eb61ebd4c823d129
SHA1

0c8306cdf6217f783fef58b9477567ae6c1bf70c
SHA256

31c9c82400513daa7e381a1df222801967ebe4bb552159731f216393c531462f
SHA512

16fc9bab30a9a41043b838e4981e2030e7b96e8bdd2a74492eb4837b6d1710455be658ec98a9c9a33cb5a5579ac490aa3a60510c711ca6d321f7734cf23ae434
SSDEEP

1536:AypJm2k2IItQBEmF+sS7hbEPpqH2sfblwzG6l1tyuhX06tN3p6zhxavW:Amm2k2IvBN1SZjf56xzXztzshp

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 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17413BA0-0160-4C1F-BA66-679436BCA89B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UFSource.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{17413BA0-0160-4C1F-BA66-679436BCA89B}\CLSID = "{17413BA0-0160-4C1F-BA66-679436BCA89B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17413BA0-0160-4C1F-BA66-679436BCA89B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17413BA0-0160-4C1F-BA66-679436BCA89B}\ = "UUSEE Source"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17413BA0-0160-4C1F-BA66-679436BCA89B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{17413BA0-0160-4C1F-BA66-679436BCA89B}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{17413BA0-0160-4C1F-BA66-679436BCA89B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{17413BA0-0160-4C1F-BA66-679436BCA89B}\FriendlyName = "UUSEE Source"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{17413BA0-0160-4C1F-BA66-679436BCA89B}\FilterData = 020000000000600001000000000000003070693308000000000000000100000000000000000000003074793300000000380000004800000083eb36e44f52ce119f530020af0ba770e8a070f013b2e4478991252ac82ee6a1	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 5048	2876	regsvr32.exe	84
PID 2876 wrote to memory of 5048	2876	regsvr32.exe	84
PID 2876 wrote to memory of 5048	2876	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\UFSource.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\UFSource.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:5048

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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