cc554d77e3b4cd590735f3243df840839d54340800b11087b5dbb7b0493f6736

Analysis

max time kernel
144s
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
25/03/2024, 01:27

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General

Target
dce72f0c601232babeaaf2ff4b0e0274.dll
Size 641KB
Sample240325-bvbvaafb5v
SHA256 cc554d77e3b4cd590735f3243df840839d54340800b11087b5dbb7b0493f6736
MD5 dce72f0c601232babeaaf2ff4b0e0274
SHA1 1837cb3b453b607e561d469ca44871cd100b3886
SHA512 9ce4b1673077eb9325abf9334f28960b74fde4c586bd7cd0f790948262a41df34a9fef6cf38ba1297ce3c86c15e9e16dedc167c62823b4aef33ec97559ea8a8b
SSDEEP 12288:g0Et9YDc5DMWfT44XUDxoyiD02sHtafkaG2Bhc22tePm:ItWDc/EXouPtSkNYhbA+
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\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dce72f0c601232babeaaf2ff4b0e0274.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}\ProgID\ = "dce72f0c601232babeaaf2ff4b0e0274.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dce72f0c601232babeaaf2ff4b0e0274.brm inc\Clsid\ = "{CC01FC6C-DB5B-938C-D32C-168BEA715AC3}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 4792	4908	regsvr32.exe	89
PID 4908 wrote to memory of 4792	4908	regsvr32.exe	89
PID 4908 wrote to memory of 4792	4908	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dce72f0c601232babeaaf2ff4b0e0274.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4792

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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