a016c80c01146c773545f4718cd5515a943da691e49b72b6031f9139f605f724

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 12:10

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General

Target
UDS-DangerousObject.Multi.dll
Size 124KB
Sample240229-pcjdasge4s
SHA256 a016c80c01146c773545f4718cd5515a943da691e49b72b6031f9139f605f724
MD5 7fcce07445d141d346553e4a3ecc07e7
SHA1 30fa42c63ab4a4758365a004fe62e85eb3e15b15
SHA512 6f9ef61882e16920ba3518f52ac721791467419b463fdcd0a7d892261a22bc4670e1366b8bc094a4c4e58ddcd126009a6f7e307b9a750425590dcf394b64d039
SSDEEP 1536:/uy58oS9Ytx/SSybRNGJyvc2DNIx57ecuhI:WyJxjSSybjIx5Cca
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\ = "{6E51C408-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib\ = "{6E51C408-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{6E51C402-5F6C-4F6C-8296-3345C441F1FE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UDS-DangerousObject.Multi.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{6E51C408-5F6C-4F6C-8296-3345C441F1FE}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\UDS-DangerousObject.Multi.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E51C401-5F6C-4F6C-8296-3345C441F1FE}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6E51C402-5F6C-4F6C-8296-3345C441F1FE}\Programmable	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3856	regsvr32.exe
3856	regsvr32.exe
3856	regsvr32.exe
3856	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 3856	3792	regsvr32.exe	95
PID 3792 wrote to memory of 3856	3792	regsvr32.exe	95
PID 3792 wrote to memory of 3856	3792	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\UDS-DangerousObject.Multi.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\UDS-DangerousObject.Multi.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:3856

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=4060 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:3748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

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/3856-0-0x0000000010000000-0x0000000010022000-memory.dmp

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