5c8c5985ccadf49c31db958ab37bf9364bd9275501dd186c60eb62a5fee4b34b

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/01/2024, 06:23

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General

Target
mod/CCTVUpdateInstall.dll
Size 41KB
Sample240113-g5stfaebc6
SHA256 36dfa3939c13a5fddbf9d1d6b46500a1ff8d28b6c1459675865167f2b05b077f
MD5 d1711f10bf2c83ede41f7b500a9313ae
SHA1 9f53ef6e489c562da687bdfe69e1b061bf6b2c39
SHA512 fd7c31dfbb3a362b3c22d325520cd788ad236f9c7a91d011879f7b425958c6ae5eba07215b06a9be95d5f20fb96f765ee460f227328c5d09092b403acbbdd4a5
SSDEEP 768:8jqStPeiQNKexn8TDQezDuCiAggPwFJeiIJi95wwhC0kosyLWFbCXp:YqcPVjPQrzAf8Yi9ugzkosyaNCXp
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence upx

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mod\\CCTVUpdateInstall.dll"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral29/memory/2176-0-0x0000000010000000-0x000000001001E000-memory.dmp	upx

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\TypeLib\ = "{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ = "IDownLoadProgressBar"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar\ = "CCTVUpdateInstall"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDownLoadProgressBar.DownLoadProgressBar\ = "CCTVUpdateInstall"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\ = "ATLDownLoadProgressBar 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar.1	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ = "CCTVUpdateInstall"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ProgID\ = "CCTVUpdateInstall.DownLoadProgressBar.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\Insertable	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar.1\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Interface	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar.1\CLSID\ = "{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDownLoadProgressBar.DownLoadProgressBar.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\VersionIndependentProgID\ = "CCTVUpdateInstall.DownLoadProgressBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\Version	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDownLoadProgressBar.DownLoadProgressBar\CLSID\ = "{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ProgID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\0	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\ATLDownLoadProgressBar.DownLoadProgressBar\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mod\\CCTVUpdateInstall.dll, 101"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib\ = "{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\TypeLib\ = "{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\TypeLib\{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mod\\CCTVUpdateInstall.dll"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ = "IDownLoadProgressBar"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\ = "IDownLoadProgressBar"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\mod\\CCTVUpdateInstall.dll, 101"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{042C7AAC-BD4A-4450-AA0C-AAC3A30CA19E}\TypeLib\ = "{7B0F8D4E-2C8D-4F2A-805B-0E35BF90B713}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{AC414988-E5BB-4C2C-873B-EA53D2F3D23A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDownLoadProgressBar.DownLoadProgressBar\CurVer\ = "CCTVUpdateInstall.DownLoadProgressBar.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28
PID 2524 wrote to memory of 2176	2524	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\mod\CCTVUpdateInstall.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\mod\CCTVUpdateInstall.dll
  2⤵
  - Registers COM server for autorun
  - Modifies registry class
  PID:2176

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

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Downloads

memory/2176-0-0x0000000010000000-0x000000001001E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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