7886e911d79668ca934c87d8612f3722fe9be00efa23785940f836d4f37b5373

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-04-2024 20:11

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General

Target

Cloud-Web_tb_2_86.dll
Size

127KB
MD5

fba59862b8e2d049b64c10af254f93a9
SHA1

712e432e17c744063995d45195b4a918c72f4790
SHA256

a1685530939b91cd4ab1d34a72bada8d41ef708754d829a1c24e6ab4b0e4b530
SHA512

cda0082126615957c1572142502a278fe5e80fed8bdc2bf674011039dbfa07066e7768355c8dcbeba316f917ce081ba7c2923f7534c2ab99ea606cdd61781086
SSDEEP

3072:KcsRZq+GIN/GR/7gkdIIZMZDNtYi/psYSxs9Dq7ni:FH9geR/7wIuVmxs92W

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 7 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\ButtonText = "Å¬¶ó¿ìµåÀ¥ ¼³Á¤ ½ÇÇà"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\Icon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_tb_2_86.dll,201"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\HotIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_tb_2_86.dll,202"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\CLSID = "{1FBA04EE-3024-11d2-8F1F-0000F87ABD16}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\ClsidExtension = "{053202B5-4539-4c5a-B531-42C754ABBD41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}\Default Visible = "Yes"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Extensions\{0A07354E-A092-490f-9597-BA096721A26D}	regsvr32.exe

Modifies registry class 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ = "ICloudToolbarObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\ProgID\ = "CloudToolBar.CloudToolbarObject.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ = "ICloudToolbarObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject.1\ = "CloudToolbarObject Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\TypeLib\ = "{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\ = "CloudToolBar 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib\ = "{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject.1\CLSID\ = "{053202B5-4539-4c5a-B531-42C754ABBD41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject\ = "CloudToolbarObject Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\VersionIndependentProgID\ = "CloudToolBar.CloudToolbarObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_tb_2_86.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Cloud-Web_tb_2_86.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib\ = "{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B4DDB057-9EDC-45B5-89A3-8CAD9F265F1E}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject\CLSID\ = "{053202B5-4539-4c5a-B531-42C754ABBD41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject\CurVer\ = "CloudToolBar.CloudToolbarObject.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\ = "CloudToolbarObject Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{053202B5-4539-4c5a-B531-42C754ABBD41}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CloudToolBar.CloudToolbarObject.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D89080BE-5019-4399-96E1-2A0E32AEF599}\TypeLib\Version = "1.0"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4972	3936	regsvr32.exe	90
PID 3936 wrote to memory of 4972	3936	regsvr32.exe	90
PID 3936 wrote to memory of 4972	3936	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Cloud-Web_tb_2_86.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Cloud-Web_tb_2_86.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4972

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:4380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4972-0-0x0000000002C80000-0x0000000002D0D000-memory.dmp

Filesize
564KB

Download