71adc882c04d3971db6186a8630db425c571b8db6403036745e86b53bf1d3474

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 16:29

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General

Target

File/runReg_admin_CryptoKit.bat
Size

358B
MD5

b813c9f650bc28f8062a640788d589c7
SHA1

99959bb6d7b00b9255d3ff7145be22669e5e92bd
SHA256

0054e30f1d7d46f510cf2d91d0cbbb6d966c6e39af3fbdf90a40badee85349b3
SHA512

344e0b1f986596b450613624b5e72384568a7246e77d995f85dd3dee6a7d0fab574ee8ab880fb3540703df68f7d2d6bf0b52afe899c0abb991bb4434b7ec4b34

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\VersionIndependentProgID\ = "CryptoKit.CryptoAgent"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\File\\CryptoKit.SDEG.x86.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\ProgID\ = "CryptoKit.CryptoAgent.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\ = "CryptoAgent Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\ = "CryptoKit.SDEG.x86 3.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ = "ICryptoAgent"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib\ = "{FE17CEE1-C1EE-41B1-99ED-63416061190F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent.1\CLSID\ = "{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent\CLSID\ = "{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ = "ICryptoAgent"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent.1\ = "CryptoAgent Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\TypeLib\ = "{FE17CEE1-C1EE-41B1-99ED-63416061190F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\File\\CryptoKit.SDEG.x86.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\TypeLib\ = "{FE17CEE1-C1EE-41B1-99ED-63416061190F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent\CurVer\ = "CryptoKit.CryptoAgent.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FE17CEE1-C1EE-41B1-99ED-63416061190F}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\File"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E64AF12-53D0-467E-99D5-2BAFBE9F85F0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CryptoKit.CryptoAgent\ = "CryptoAgent Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5EE5E54C-021A-49CB-830E-3C3159CCE2EF}\Programmable	regsvr32.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2464	PING.EXE

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2552	regsvr32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2816	2780	cmd.exe	29
PID 2780 wrote to memory of 2816	2780	cmd.exe	29
PID 2780 wrote to memory of 2816	2780	cmd.exe	29
PID 2816 wrote to memory of 2480	2816	mshta.exe	30
PID 2816 wrote to memory of 2480	2816	mshta.exe	30
PID 2816 wrote to memory of 2480	2816	mshta.exe	30
PID 2480 wrote to memory of 2552	2480	cmd.exe	32
PID 2480 wrote to memory of 2552	2480	cmd.exe	32
PID 2480 wrote to memory of 2552	2480	cmd.exe	32
PID 2480 wrote to memory of 2552	2480	cmd.exe	32
PID 2480 wrote to memory of 2552	2480	cmd.exe	32
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2552 wrote to memory of 2688	2552	regsvr32.exe	33
PID 2480 wrote to memory of 2464	2480	cmd.exe	34
PID 2480 wrote to memory of 2464	2480	cmd.exe	34
PID 2480 wrote to memory of 2464	2480	cmd.exe	34

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\File\runReg_admin_CryptoKit.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\system32\mshta.exe
  mshta vbscript:CreateObject("Shell.Application").ShellExecute("cmd.exe","/c C:\Users\Admin\AppData\Local\Temp\File\RUNREG~1.BAT ::","","runas",1)(window.close)
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Local\Temp\File\RUNREG~1.BAT ::
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2480
  - - C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32 /s CryptoKit.SDEG.x86.dll
      4⤵
      Suspicious behavior: CmdExeWriteProcessMemorySpam
      Suspicious use of WriteProcessMemory
      PID:2552
    - - C:\Windows\SysWOW64\regsvr32.exe
        
        /s CryptoKit.SDEG.x86.dll
        5⤵
        Modifies registry class
        
        PID:2688
  - - C:\Windows\system32\PING.EXE
      ping -n 1 127.1
      4⤵
      Runs ping.exe
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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