c43bce50a15b86f9e81fc56259e15628c2d3c7426c6f4cfbc777380d04c887b5

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 10:06

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General

Target
dee63662d32cbc1d7984242eb7b18e10.dll
Size 565KB
Sample240326-l47nesaf7s
SHA256 c43bce50a15b86f9e81fc56259e15628c2d3c7426c6f4cfbc777380d04c887b5
MD5 dee63662d32cbc1d7984242eb7b18e10
SHA1 cd7708bb32457ce3bbb7ca19aef884cf6aa9ce57
SHA512 d95a5be40e3e710a982c0894eae8cc6faf90fb9c751180ba26937751584b7ffbc8011617e1c93b91bf6ce61121f1f5317a2872f8a64dcc9e45930f460639b5fa
SSDEEP 12288:dyA1ZdqVfv/6HftOIA3+00wstpSdCi3TLdLOG8ZZQnqVBww:t1fqZCHwIr00taCiHpQZZGq
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-4257-9525-688C-F1BC4136EF5E}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dee63662d32cbc1d7984242eb7b18e10.xx	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dee63662d32cbc1d7984242eb7b18e10.xx\ = "xx"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dee63662d32cbc1d7984242eb7b18e10.xx\Clsid\ = "{CC01FC6C-4257-9525-688C-F1BC4136EF5E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dee63662d32cbc1d7984242eb7b18e10.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dee63662d32cbc1d7984242eb7b18e10.xx\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-4257-9525-688C-F1BC4136EF5E}\ProgID\ = "dee63662d32cbc1d7984242eb7b18e10.xx"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 392	1800	regsvr32.exe	89
PID 1800 wrote to memory of 392	1800	regsvr32.exe	89
PID 1800 wrote to memory of 392	1800	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dee63662d32cbc1d7984242eb7b18e10.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\dee63662d32cbc1d7984242eb7b18e10.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:392

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/392-0-0x0000000002050000-0x00000000020E3000-memory.dmp

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