9510ddfc2685a942deaea3b1cc88f5c45a6b51a2b030cfe21a852422f9b49fe8

Analysis

max time kernel
93s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 23:44

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General

Target
9a3b807cf8fc7684ebd3b6c45a9da0f4.dll
Size 565KB
Sample240213-3rekjsbh4v
SHA256 9510ddfc2685a942deaea3b1cc88f5c45a6b51a2b030cfe21a852422f9b49fe8
MD5 9a3b807cf8fc7684ebd3b6c45a9da0f4
SHA1 860dfbde2d9f5b73c4879b64e0cbc9196f432bdd
SHA512 a37f50197b9725b9e4fbac2e47b6e255fd7bb59c7f2547aa34068b01e0beea3c79ec7ff6306b8b37da634a0ee50d2e1a69868ea495c4f811f68d4cb969fda39d
SSDEEP 12288:qAFp96Ffv/aX/tOo0O00w8NJidSCnTLtb7oakoGVBw+:zFv6piXQob009qSCXpka5G
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-4771-5882-1A4A-D953B44C51D3}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9a3b807cf8fc7684ebd3b6c45a9da0f4.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9a3b807cf8fc7684ebd3b6c45a9da0f4.xx\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9a3b807cf8fc7684ebd3b6c45a9da0f4.xx\Clsid\ = "{CC01FC6C-4771-5882-1A4A-D953B44C51D3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\9a3b807cf8fc7684ebd3b6c45a9da0f4.xx	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\9a3b807cf8fc7684ebd3b6c45a9da0f4.xx\ = "xx"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4771-5882-1A4A-D953B44C51D3}\ProgID\ = "9a3b807cf8fc7684ebd3b6c45a9da0f4.xx"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 3048	4192	regsvr32.exe	84
PID 4192 wrote to memory of 3048	4192	regsvr32.exe	84
PID 4192 wrote to memory of 3048	4192	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9a3b807cf8fc7684ebd3b6c45a9da0f4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9a3b807cf8fc7684ebd3b6c45a9da0f4.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3048

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/3048-0-0x0000000001090000-0x0000000001122000-memory.dmp

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