204fce7d9d970626371d8d20cd7be20cc2163bdb3fd1a649d628531a15c60bca

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 03:49

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General

Target

e52c7ee2e12c78f79dd30bdb02a7e1e0N.dll
Size

128KB
MD5

e52c7ee2e12c78f79dd30bdb02a7e1e0
SHA1

19d9915e89e84c9bb9e7f61eac8b0827e0036b23
SHA256

204fce7d9d970626371d8d20cd7be20cc2163bdb3fd1a649d628531a15c60bca
SHA512

6d8d8dd7ab3d1ae37b8a5cca76ec881116fb27ea789c427f1aa3150f9f5423e57349894a84bd4594141f75d57ebe696db9c900618a1b6ede6e82b60287917220
SSDEEP

3072:e7EDwoxqKMbGezpqCZjAQcu7sJcEUyOaeG30zVZtFPk3:eQEKs0CZEQcUxEUyOaeG3iF

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 Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\URLSearchHooks\{64985CCA-43B0-4815-A4B8-C61C06F963B6}	regsvr32.exe

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\ = "YzUrlTran Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\ProgID\ = "union.YzUrlTran.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\TypeLib\ = "{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\ = "union 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ = "IYzUnion"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran\CurVer\ = "union.YzUrlTran.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e52c7ee2e12c78f79dd30bdb02a7e1e0N.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ = "IYzUnion"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran.1\ = "YzUrlTran Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran.1\CLSID\ = "{64985CCA-43B0-4815-A4B8-C61C06F963B6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}\VersionIndependentProgID\ = "union.YzUrlTran"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran\ = "YzUrlTran Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\union.YzUrlTran\CLSID\ = "{64985CCA-43B0-4815-A4B8-C61C06F963B6}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{64985CCA-43B0-4815-A4B8-C61C06F963B6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e52c7ee2e12c78f79dd30bdb02a7e1e0N.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib\ = "{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{80FB8E6D-D471-4013-A771-D83CD1944984}\TypeLib\ = "{DDCE79B6-EEA5-4F60-A0F0-08BC06C14D06}"	regsvr32.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
2764	regsvr32.exe
476	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2764	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2764	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30
PID 2672 wrote to memory of 2764	2672	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e52c7ee2e12c78f79dd30bdb02a7e1e0N.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\e52c7ee2e12c78f79dd30bdb02a7e1e0N.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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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