2523a3e0cb5cdb5044c7d31436f2063155c6d4f05c3903fbdfbeff18ffc5f274

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 08:43

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General

Target

cvery.comvb9144523534524/wjl/actskin4.dll
Size

372KB
MD5

42a69ede5fa1587d7ad6207f04a27210
SHA1

a6e59b1ff5a88333f9e3d73c805685222a4900ff
SHA256

a4b76dece247b4686c073ae711536b7d29782824b67f7119fb346add819f6040
SHA512

c4c312a176f9d802d0add5ef13fc6357e2000908978620799be1b9a92ca9e7fce158d15ad46013cac3a784dfdc53994a993727ee6c0ded90f8d1418e376dd53b
SSDEEP

6144:uxd7LmGSqpUTENuRbGS0Pz6Te79qcaZnCDe:uxtLGUNuRbGS0e3qe

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{762EC429-1A5D-4AB8-844A-9A552E1241DA}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC22770D-3343-4C56-8A8D-3E560475F655}\ = "SkinButton Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{762EC429-1A5D-4AB8-844A-9A552E1241DA}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\verb	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ActiveSkin4.SkinLabel\ = "SkinLabel Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{750FC67C-0311-4391-9864-A2EFED49BD28}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3FC950C-7583-4377-BAD8-EFBEAA33273C}\ = "_ISkinEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ActiveSkin4.Skin\CLSID\ = "{0944D16C-D0F4-4389-982A-A085595A9EB3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5704C37-40DA-49EF-904B-97E5F5F9B1C5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DCD2BC5-8489-48AE-891F-90C8B2F19F56}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A5704C37-40DA-49EF-904B-97E5F5F9B1C5}\ = "SkinImage Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C406F816-318D-4F7D-81CB-BA93CA7B70D5}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C406F816-318D-4F7D-81CB-BA93CA7B70D5}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3831331E-0D11-4716-871D-68F3B11D23C9}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{762EC429-1A5D-4AB8-844A-9A552E1241DA}\ = "SkinPlasma Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3FC950C-7583-4377-BAD8-EFBEAA33273C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DCD2BC5-8489-48AE-891F-90C8B2F19F56}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A506EF88-9EFC-4522-BFE1-A8E886A64D80}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D502D4A3-03E6-4EAE-A14E-69606CA63430}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CVERY~1.COM\\wjl\\actskin4.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3831331E-0D11-4716-871D-68F3B11D23C9}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{762EC429-1A5D-4AB8-844A-9A552E1241DA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ActiveSkin4.SkinLabel\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DCD2BC5-8489-48AE-891F-90C8B2F19F56}\ = "SkinForm Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ActiveSkin4.SkinLabel.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\VersionIndependentProgID\ = "ActiveSkin4.Skin"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3DCD2BC5-8489-48AE-891F-90C8B2F19F56}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A506EF88-9EFC-4522-BFE1-A8E886A64D80}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A506EF88-9EFC-4522-BFE1-A8E886A64D80}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3831331E-0D11-4716-871D-68F3B11D23C9}\Implemented Categories\{010E0B1F-1A47-4D07-A83F-43A819E39CCF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\verb\4\ = "&Delete Skin,0,2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\verb\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\verb\2\ = "&Save Skin,0,2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\ = "ActiveSkin Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC22770D-3343-4C56-8A8D-3E560475F655}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CVERY~1.COM\\wjl\\actskin4.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\ProgID\ = "ActiveSkin4.SkinLabel.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ActiveSkin4.Skin.1\CLSID\ = "{0944D16C-D0F4-4389-982A-A085595A9EB3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBC73C94-337C-43CC-B52C-31EB9FA34013}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3FC950C-7583-4377-BAD8-EFBEAA33273C}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A506EF88-9EFC-4522-BFE1-A8E886A64D80}\ = "SkinTab Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{52C01A76-19E2-4A50-AE8A-38FFBCCF9182}\Implemented Categories\{010E0B1F-1A47-4D07-A83F-43A819E39CCF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\MiscStatus\1\ = "139665"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{762EC429-1A5D-4AB8-844A-9A552E1241DA}\Implemented Categories\{010E0B1F-1A47-4D07-A83F-43A819E39CCF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C406F816-318D-4F7D-81CB-BA93CA7B70D5}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5954EA75-9BFA-461A-BD34-CEA3A861FF19}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3FC950C-7583-4377-BAD8-EFBEAA33273C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3FC950C-7583-4377-BAD8-EFBEAA33273C}\TypeLib\ = "{90F3D7B3-92E7-44BA-B444-6A8E2A3BC375}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{4921908C-7090-4D37-A6B3-FC447F08378A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0944D16C-D0F4-4389-982A-A085595A9EB3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{52C01A76-19E2-4A50-AE8A-38FFBCCF9182}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 4208	1796	regsvr32.exe	86
PID 1796 wrote to memory of 4208	1796	regsvr32.exe	86
PID 1796 wrote to memory of 4208	1796	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\cvery.comvb9144523534524\wjl\actskin4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\cvery.comvb9144523534524\wjl\actskin4.dll
  2⤵
  - Modifies registry class
  PID:4208

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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