117ce44e32095df219483872d4df7c6f13f62aee848779152d294857dcc53e82

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 15:55

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General

Target
NEAS.05664929a973272c5661325a80f77b90_JC.dll
Size 260KB
Sample231012-tc67kscc63
SHA256 117ce44e32095df219483872d4df7c6f13f62aee848779152d294857dcc53e82
MD5 05664929a973272c5661325a80f77b90
SHA1 9c7e1deb30f16cae66b42e385a815bfb62ec3611
SHA512 7916851648055b89dd0245e67518d7e6936dca53d7206a4e0a9aeec33494be616b8b93433fa01e608211ca7df28e07baf0dfcc5a2f925d1176dd374ce5d7d1f2
SSDEEP 3072:lV5J7ftwoflUgXeenxV6FUhRlugpJ+oUfgYE5G+aWqQffCFFZn156JKrdI3ams7O:b7fapZ4Oef+NE5HnKF4KrdI3amWgJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3256	regsvr32mgr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{777C8A14-5C36-11D5-ABAF-00B0D02332EB}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A08-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A13-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F7-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89EC-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89EE-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89FB-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IPW.User	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0D-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupMainWindow2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0F-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupMainWindow4"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A01-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A01-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F8-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F8-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A0C-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A09-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A06-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A12-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A13-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0C-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupMainWindow"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A09-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0F-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A07-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0A-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F7-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupBasicFeature"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F0-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupFeatureLogs"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89EA-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89EE-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{777C8A16-5C36-11D5-ABAF-00B0D02332EB}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A10-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A10-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A07-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupUserInterface"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0A-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A01-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89EC-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0B-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F9-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F0-5C36-11D5-ABAF-00B0D02332EB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F0-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupFeatureLogs"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89EA-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0B-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A08-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0A-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0A-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89EF-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A13-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89EE-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0C-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A09-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A07-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F0-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IPW.User.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IPW.User.1\CLSID\ = "{777C8A16-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A08-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A13-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C89F7-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{777C8A0C-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A01-5C36-11D5-ABAF-00B0D02332EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F9-5C36-11D5-ABAF-00B0D02332EB}\ = "ISetupFeature"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C89F9-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{777C8A14-5C36-11D5-ABAF-00B0D02332EB}\1.0\ = "Setup UI 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A06-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A12-5C36-11D5-ABAF-00B0D02332EB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{777C8A12-5C36-11D5-ABAF-00B0D02332EB}\TypeLib\ = "{777C8A14-5C36-11D5-ABAF-00B0D02332EB}"	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4648	3728	regsvr32.exe	83
PID 3728 wrote to memory of 4648	3728	regsvr32.exe	83
PID 3728 wrote to memory of 4648	3728	regsvr32.exe	83
PID 4648 wrote to memory of 3256	4648	regsvr32.exe	84
PID 4648 wrote to memory of 3256	4648	regsvr32.exe	84
PID 4648 wrote to memory of 3256	4648	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NEAS.05664929a973272c5661325a80f77b90_JC.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\NEAS.05664929a973272c5661325a80f77b90_JC.dll
  2⤵
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    PID:3256

Network

MITRE ATT&CK Matrix

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regsvr32mgr.exe

Path C:\Windows\SysWOW64\regsvr32mgr.exe
Size 73KB
SHA256 eed3c298db97d168df30af01e8da55b325eace743a954950ce4cd83412593b0f
MD5 9df5f7fb921486c04781cad71d7db727
SHA1 9ed18300776a2397e586073a95e7e992f031a25a
SHA512 1267c2062ad742a446da93919df01af07b2e53b678f9e74511e174ac8f1a2e19b70651ecc16a913402d298e4b65a08d1f41316c55d8f0a9fb38010b268a5be2d
SSDEEP 1536:a5IZvbUOzHrLgbPhcySGOTl6MPFXyE9lTw+oEV:xzrbrL+PhETl6MPtyE9lTNoEV
MD5 SHA1 SHA512 SSDEEP

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regsvr32mgr.exe

Path C:\Windows\SysWOW64\regsvr32mgr.exe
Size 73KB
SHA256 eed3c298db97d168df30af01e8da55b325eace743a954950ce4cd83412593b0f
MD5 9df5f7fb921486c04781cad71d7db727
SHA1 9ed18300776a2397e586073a95e7e992f031a25a
SHA512 1267c2062ad742a446da93919df01af07b2e53b678f9e74511e174ac8f1a2e19b70651ecc16a913402d298e4b65a08d1f41316c55d8f0a9fb38010b268a5be2d
SSDEEP 1536:a5IZvbUOzHrLgbPhcySGOTl6MPFXyE9lTw+oEV:xzrbrL+PhETl6MPtyE9lTNoEV
MD5 SHA1 SHA512 SSDEEP

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memory/4648-0-0x0000000010000000-0x0000000010042000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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