c05f4294102a30ddc3a97b8b8e06bba32fdc03f595292127028b250884c8e7f9

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 08:11

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General

Target

be1a12ae42c0f6fa5fa808076d004078.dll
Size

640KB
MD5

be1a12ae42c0f6fa5fa808076d004078
SHA1

e6cc87218c634070d110885bf2605f9f20bc81dc
SHA256

c05f4294102a30ddc3a97b8b8e06bba32fdc03f595292127028b250884c8e7f9
SHA512

474ab8392dffe666132c64d5c74776957801c3f45b8775acf94b0371fee0684495afa1b5759713885b26b7424444b4ecc8bc6b43ad2af206f1b8d28955f4f3be
SSDEEP

12288:HkdtYzsZDM2fjYiV/UzxoyS7nUmsn7ltmSvh+u2tePm:EdGzs/0kwolUf7ltmAh+uA+

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-9F81-24B5-2E5D-F99A8AB2FD6E}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\ProgID\ = "be1a12ae42c0f6fa5fa808076d004078.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\be1a12ae42c0f6fa5fa808076d004078.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\be1a12ae42c0f6fa5fa808076d004078.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\be1a12ae42c0f6fa5fa808076d004078.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\be1a12ae42c0f6fa5fa808076d004078.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\be1a12ae42c0f6fa5fa808076d004078.brm inc\Clsid\ = "{CC01FC6C-9F81-24B5-2E5D-F99A8AB2FD6E}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 3256	4908	regsvr32.exe	89
PID 4908 wrote to memory of 3256	4908	regsvr32.exe	89
PID 4908 wrote to memory of 3256	4908	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\be1a12ae42c0f6fa5fa808076d004078.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\be1a12ae42c0f6fa5fa808076d004078.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3256

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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