Analysis
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max time kernel
151s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
09-02-2023 10:25
Behavioral task
behavioral1
Sample
a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll
Resource
win10v2004-20220812-en
General
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Target
a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll
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Size
307KB
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MD5
e683b599741eb36d5a81eab63d058395
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SHA1
684ee3e3a21eeb7c90c02c5b0827bfa8bb494921
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SHA256
a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2
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SHA512
82435149fe7e1985f15aa29dbe2b0538310412b7a1942afc94f21503f9a3474bd67ade02785da417caa02b1739741692332c7913342f1ec6593a1867b5b4675c
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SSDEEP
6144:UZzN66bEzuPrOx2jK9M1cMl43wH41vWq5Fu0qbsueAAy+VwyBx6:UZzw6AuPrBu9M3q2m+q5NuJ+I
Malware Config
Signatures
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Modifies registry class 64 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ = "IFTPEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ = "IFTPEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\ProgID\ = "FtpAX.FTP" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Verb\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\TypeLib\ = "{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib\ = "{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\MiscStatus\1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\ = "FTP ¿Ø¼þ" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FtpAX.FTP\ = "FTP ¿Ø¼þ" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ = "IFTP" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib\ = "{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Verb regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\MiscStatus regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FtpAX.FTP\Clsid\ = "{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Control regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FtpAX.FTP\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\ = "FTP Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\MiscStatus\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll,1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\FLAGS\ = "2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\ = "IFTP" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\MiscStatus\1\ = "205201" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Verb\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib\ = "{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\TypeLib\ = "{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FtpAX.FTP regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\ToolboxBitmap32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{811DD86E-0FCD-40C9-BE8D-A376BCAF6736}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{50E8FFF5-DFC8-40E5-A646-0BE4778AA1D1}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7AC4611D-F7EA-43A6-9495-87B0A10CB089}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5B9785C-03CF-4321-8EAE-CBC66DDB6ECE}\Control\ regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 4844 wrote to memory of 4936 4844 regsvr32.exe regsvr32.exe PID 4844 wrote to memory of 4936 4844 regsvr32.exe regsvr32.exe PID 4844 wrote to memory of 4936 4844 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\a21debfd89456d0011328861d6d23c7569c3e56d9f815505410368bdccd4a0d2.dll2⤵
- Modifies registry class
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/4936-132-0x0000000000000000-mapping.dmp