833329ab7786cbed3cbe01fa22d8fb7a356200dfd168f7578d18e396292aae7d

Analysis

max time kernel
144s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 23:15

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General

Target

c1d9f96f2f79452da6d4b85bc0e3aca3.dll
Size

635KB
MD5

c1d9f96f2f79452da6d4b85bc0e3aca3
SHA1

06e45eb6e4c34ff0badff69c8cb85c81a96690f5
SHA256

833329ab7786cbed3cbe01fa22d8fb7a356200dfd168f7578d18e396292aae7d
SHA512

ca0e7639fd9c6ba9ba4df6dba50e5c661d476f8d776d9424d05c19dc17597691727a7d627de8b00f589f77eed4a6ee9d00c06d9e612bcf16eb5f97e232b95b02
SSDEEP

12288:gM0t9FNcxDMmfrLAF8rZIRf2MmsXaLIqAnhu/fO79s:AtjNcXnVInvaEthm

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\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\c1d9f96f2f79452da6d4b85bc0e3aca3.axc\Clsid\ = "{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c1d9f96f2f79452da6d4b85bc0e3aca3.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\c1d9f96f2f79452da6d4b85bc0e3aca3.axc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\c1d9f96f2f79452da6d4b85bc0e3aca3.axc\ = "axc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\c1d9f96f2f79452da6d4b85bc0e3aca3.axc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\ProgID\ = "c1d9f96f2f79452da6d4b85bc0e3aca3.axc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-7DEA-829E-A6D3-C5B5346D2FFF}\ = "axc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 4956	3284	regsvr32.exe	95
PID 3284 wrote to memory of 4956	3284	regsvr32.exe	95
PID 3284 wrote to memory of 4956	3284	regsvr32.exe	95

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c1d9f96f2f79452da6d4b85bc0e3aca3.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c1d9f96f2f79452da6d4b85bc0e3aca3.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4956

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=4152 --field-trial-handle=2588,i,4353937220825226770,7138584070663735671,262144 --variations-seed-version /prefetch:8
1⤵
PID:2476

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

Windows 7 deprecation

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