e036dec3a696dbe846ca0e3f8e6e014d06a2ddeb35b1277d3c0f3be97297d211

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 04:46

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General

Target

555d11e2b7b3684570d5a0c47acd63e7.dll
Size

640KB
MD5

555d11e2b7b3684570d5a0c47acd63e7
SHA1

feb2bc161049e50f0d6c10d01ad9349f6ffe65f8
SHA256

e036dec3a696dbe846ca0e3f8e6e014d06a2ddeb35b1277d3c0f3be97297d211
SHA512

c77de6624b96bc61581a1667daf105a072d2b01df4271f116a805dc92dd7aedc26029bf1032be88e5a89c2cbddd1dc9b64484feedb29aadbe6ac88fb0091d88c
SSDEEP

12288:nkdtYzsZDM2fjYiV/UzxoyS7nUmsn7l6uK2UUhU2tePm:kdGzs/0kwolUf7lV1hUA+

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-E56B-AD9C-BAB8-B4573D3E57FD}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\555d11e2b7b3684570d5a0c47acd63e7.brm inc\Clsid\ = "{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\555d11e2b7b3684570d5a0c47acd63e7.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\555d11e2b7b3684570d5a0c47acd63e7.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\555d11e2b7b3684570d5a0c47acd63e7.brm inc\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\555d11e2b7b3684570d5a0c47acd63e7.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E56B-AD9C-BAB8-B4573D3E57FD}\ProgID\ = "555d11e2b7b3684570d5a0c47acd63e7.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2488	4536	regsvr32.exe	88
PID 4536 wrote to memory of 2488	4536	regsvr32.exe	88
PID 4536 wrote to memory of 2488	4536	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\555d11e2b7b3684570d5a0c47acd63e7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\555d11e2b7b3684570d5a0c47acd63e7.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2488

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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