766c6149cb2b9fffafbb940b41cdc18fe15fc1924206349d0f5136f527267883

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 07:27

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General

Target

79a1e814806a9e9b60a3d27d50d1f851.dll
Size

244KB
MD5

79a1e814806a9e9b60a3d27d50d1f851
SHA1

19e987510380c67cad1334bd5ee5dea03da9155b
SHA256

766c6149cb2b9fffafbb940b41cdc18fe15fc1924206349d0f5136f527267883
SHA512

9a6cc7bca5c1c7af783a97a2063dbeff12d9bcc976ea18d1ffb27194da49b6b321554e2fea89024708c974066ed61754b8cc71886863d018a34e0420cc539971
SSDEEP

3072:vLrKLPiWh8njdHWUdxUKBJ0pYKZI3i+xfYRfaZCeBCdLTtmR66XYxvfALXWe0VPk:Bjd2Uda+Kay+xuxTELI8

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\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ = "_IamrlEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\TypeLib\ = "{879D0EB4-D677-400C-BFC3-6AF171015B26}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ = "_IamrlEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib\ = "{879D0EB4-D677-400C-BFC3-6AF171015B26}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib\ = "{879D0EB4-D677-400C-BFC3-6AF171015B26}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib\ = "{879D0EB4-D677-400C-BFC3-6AF171015B26}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\79a1e814806a9e9b60a3d27d50d1f851.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ = "Iamrl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ = "Iamrl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\79a1e814806a9e9b60a3d27d50d1f851.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\ = "QXK Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\ProgID\ = "QXK.Olive"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D005C1DC-C20B-41B6-AB7E-653C0CF03C9D}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5B1A4B4-64DC-4B67-BF0D-1E859592AF55}\VersionIndependentProgID\ = "QXK.Olive"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{879D0EB4-D677-400C-BFC3-6AF171015B26}\1.0\ = "amrl TL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\TypeLib\ = "{879D0EB4-D677-400C-BFC3-6AF171015B26}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3FF92AF0-AFFA-46E1-A21F-68F249714424}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2496	1884	regsvr32.exe	84
PID 1884 wrote to memory of 2496	1884	regsvr32.exe	84
PID 1884 wrote to memory of 2496	1884	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\79a1e814806a9e9b60a3d27d50d1f851.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\79a1e814806a9e9b60a3d27d50d1f851.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2496

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

Windows 7 deprecation

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