eeaaaa7e470f07140fb49f7a8e689bdc1873f3034c4d913ab91875fc210d69df

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 19:58

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General

Target

5177bbc7b01fd8f91e84a972ceaf2d73.dll
Size

640KB
MD5

5177bbc7b01fd8f91e84a972ceaf2d73
SHA1

e8be2a42cb67da209f747b5f006b46e69424d4f6
SHA256

eeaaaa7e470f07140fb49f7a8e689bdc1873f3034c4d913ab91875fc210d69df
SHA512

3c641904e48ede4f9653f1c6356ed141be8780524d07eec47edfee1e453e6a041cc7bcc093d5f1486d7ab6f002addd17273996546e7bf955e3034b0eea4ddb1a
SSDEEP

12288:HkdtYzsZDM2fjYiV/UzxoyS7nUmsn7lBGgh+E82tePm:EdGzs/0kwolUf7lBrh+3A+

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-577D-333B-484F-81EF18D1A862}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5177bbc7b01fd8f91e84a972ceaf2d73.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5177bbc7b01fd8f91e84a972ceaf2d73.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5177bbc7b01fd8f91e84a972ceaf2d73.brm inc\Clsid\ = "{CC01FC6C-577D-333B-484F-81EF18D1A862}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\5177bbc7b01fd8f91e84a972ceaf2d73.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\5177bbc7b01fd8f91e84a972ceaf2d73.brm inc\ = "brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-577D-333B-484F-81EF18D1A862}\ProgID\ = "5177bbc7b01fd8f91e84a972ceaf2d73.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 976	3292	regsvr32.exe	91
PID 3292 wrote to memory of 976	3292	regsvr32.exe	91
PID 3292 wrote to memory of 976	3292	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5177bbc7b01fd8f91e84a972ceaf2d73.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5177bbc7b01fd8f91e84a972ceaf2d73.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:976

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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