b7b4d6d30b4155cfca8619c8a6afdb1730f100c49f5fc3dbd8f2695fcdc13d06

Analysis

max time kernel
122s
max time network
134s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 20:04

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General

Target

3a08cb084769fe0cb1f855ff0da64ee7.dll
Size

653KB
MD5

3a08cb084769fe0cb1f855ff0da64ee7
SHA1

09cc5fb6488d2b8d1bee5a52a28a841528f0e417
SHA256

b7b4d6d30b4155cfca8619c8a6afdb1730f100c49f5fc3dbd8f2695fcdc13d06
SHA512

448a1fabd0b38afaf3c4b1a0ae2e8e59ed2448e51ab412bf3c745c9414ecf41cbb4c3e3744e158bf8e70bb5f692d1121440f1ebbe8b34b1e51f906ff7a24ebcd
SSDEEP

12288:DtnAOWFqGad++pTW71Yp0DhbppLLO+e9JGpjoo2PhJ4aDu6oCl:JAORGsrQppFORo1/aC6

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-AD59-6D42-7841-E67429A77722}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\ = "sb"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a08cb084769fe0cb1f855ff0da64ee7.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3a08cb084769fe0cb1f855ff0da64ee7.sb\ = "sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3a08cb084769fe0cb1f855ff0da64ee7.sb\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3a08cb084769fe0cb1f855ff0da64ee7.sb\Clsid\ = "{CC01FC6C-AD59-6D42-7841-E67429A77722}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\ProgID\ = "3a08cb084769fe0cb1f855ff0da64ee7.sb"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-AD59-6D42-7841-E67429A77722}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3a08cb084769fe0cb1f855ff0da64ee7.sb	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27
PID 2232 wrote to memory of 3052	2232	regsvr32.exe	27

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3a08cb084769fe0cb1f855ff0da64ee7.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3a08cb084769fe0cb1f855ff0da64ee7.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3052

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

Replay Monitor

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Downloads

memory/3052-0-0x0000000000960000-0x0000000000A08000-memory.dmp

Filesize
672KB

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