b3c1048df7a2292798efcad66b3400c5c3c5747e8f09993621fd0de7b33a159c

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2023, 17:45

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General

Target

dxdiag.exe
Size

266KB
MD5

19ab5ad061bf013ebd012d0682df37e5
SHA1

12d398377984569695f4882c5734d5a7cfd727de
SHA256

b3c1048df7a2292798efcad66b3400c5c3c5747e8f09993621fd0de7b33a159c
SHA512

2142c9f06a87ff8901705c022ca5ba0c768ba4484a32db596361d04c149b390191bbe05392bcb724fc9f2b172c2817f7b9f9fecd130a4a894fea5d72ecf10647
SSDEEP

6144:kVzfxC1imqncQXy9194csa8iy9JBl6glJVJ3UkvhZ3P:t1iJckY6hDUUP

Score

7^/10

persistence

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32\ = "C:\\Windows\\system32\\dxdiagn.dll"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32\ThreadingModel = "Apartment"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A65B8071-3BFE-4213-9A5B-491DA4461CA7}\InprocServer32	dxdiag.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\DriverStore\FileRepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	dxdiag.exe
File created	\??\c:\windows\system32\driverstore\filerepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	dxdiag.exe

Modifies registry class 36 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject\CLSID\ = "{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider\CurVer	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A65B8071-3BFE-4213-9A5B-491DA4461CA7}\VersionIndependentProgID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A65B8071-3BFE-4213-9A5B-491DA4461CA7}\InprocServer32	dxdiag.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3195054982-4292022746-1467505928-1000\{F5CE7C79-952E-44CC-B772-C9CC8CBB338C}	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject\CurVer\ = "DxDiag.DxDiagClassObject.1"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\ForceRemove\ = "Programmable"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider.1\CLSID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject.1\CLSID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider.1\ = "DxDiagProvider Class"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A65B8071-3BFE-4213-9A5B-491DA4461CA7}\ProgID	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject.1\ = "DxDiagClassObject Class"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject\ = "DxDiagClassObject Class"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\ForceRemove	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32\ = "C:\\Windows\\system32\\dxdiagn.dll"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider\ = "DxDiagProvider Class"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject.1	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\ProgID\ = "DxDiag.DxDiagClassObject.1"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\VersionIndependentProgID\ = "DxDiag.DxDiagClassObject"	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\InprocServer32\ThreadingModel = "Apartment"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject.1\CLSID\ = "{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject\CurVer	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\VersionIndependentProgID	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider\CurVer\ = "DxDiag.DxDiagClassObject.1"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject	dxdiag.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\ = "DxDiagClassObject Class"	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider\CLSID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{A65B8071-3BFE-4213-9A5B-491DA4461CA7}	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID	dxdiag.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3195054982-4292022746-1467505928-1000\{1275B93C-4488-418C-AE5B-DB0A53F64B9A}	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagClassObject\CLSID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{EEB1CAE3-D0B2-446E-AEDE-727AA9089A1B}\ProgID	dxdiag.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\DxDiag.DxDiagProvider.1	dxdiag.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4588	dxdiag.exe
4588	dxdiag.exe

C:\Users\Admin\AppData\Local\Temp\dxdiag.exe
"C:\Users\Admin\AppData\Local\Temp\dxdiag.exe"
1⤵
- Registers COM server for autorun
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:4588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads