5e2b7ee91606a8a2327f731f4d863c505daa70a9eb10ca0700529f6aa4fd61a8

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/08/2024, 21:33

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General

Target

cdintf.dll
Size

1.0MB
MD5

d537827b24dffe10bc17c9dffe465338
SHA1

20f98e0934aff2fb851052b9c32745b1f9b6d288
SHA256

fd0353032a8b86dd113750b0c7be5f599d5e97a38b937b205ac279c5014c65ae
SHA512

32560626c47049a5b94ee474100de707d4213a6957e1b822dca3d822f62ed715dc74264f363671a99e82380b5d6c901c7b3b935a7df350a36a0a9059993d8d83
SSDEEP

12288:xx76tpb+fIH0EJKLAT3BAKukkPix+sbP1pw07hXphBEY4iYVUDQoQ2PkNNhXFo9v:x54+f8KUjCKufiz7h5hKlCay8K5cTrC

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\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\TypeLib\ = "{4856F146-7516-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\TypeLib\Version = "2.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.Document\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\ = "Common Driver Interface Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\ProgID\ = "CDIntfEx.CDIntfEx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\ = "ICDIntfEx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.CDIntfEx\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdintf.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4856F146-7516-11D3-BBE5-D53DCBD65107}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\TypeLib\ = "{4856F146-7516-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\Control\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.Document	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdintf.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}\ProgID\ = "CDIntfEx.Document"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\ = "ICDIntfEx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.CDIntfEx\ = "Common Driver Interface Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\MiscStatus\1\ = "132243"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4856F146-7516-11D3-BBE5-D53DCBD65107}\2.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4856F146-7516-11D3-BBE5-D53DCBD65107}\2.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\ = "IDIDocument"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdintf.dll, 1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\TypeLib\ = "{4856F146-7516-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\Insertable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4856F146-7516-11D3-BBE5-D53DCBD65107}\2.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cdintf.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\TypeLib\ = "{4856F146-7516-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\ = "IDIDocument"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.CDIntfEx\CLSID\ = "{68B34268-7559-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\TypeLib\Version = "2.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\TypeLib\Version = "2.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CDIntfEx.Document\ = "CDIntfEx.Document"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}\ = "CDIntfEx.Document"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\TypeLib\Version = "2.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{067B6CE2-DE85-435E-8E99-F52727F57E26}\ = "_DCDIntfEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{68B34268-7559-11D3-BBE5-D53DCBD65107}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4475F8B8-1316-4853-82E6-C6149A7BA4C3}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4856F146-7516-11D3-BBE5-D53DCBD65107}\2.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{68B34269-7559-11D3-BBE5-D53DCBD65107}\TypeLib\ = "{4856F146-7516-11D3-BBE5-D53DCBD65107}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D307A698-F048-4AFC-9170-572440CD523F}\TypeLib\Version = "2.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30
PID 1856 wrote to memory of 2092	1856	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cdintf.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cdintf.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2092

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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