90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35

Analysis

max time kernel
253s
max time network
302s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 12:24

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General

Target

90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35.dll
Size

26KB
MD5

0d77f55c9e7225049ae503f705782eb0
SHA1

e27f8ed59cbd3c5e375ae375a29f6a7b11f5be54
SHA256

90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35
SHA512

eec44443151630098da838d9949972e04991d48443d9f6189639d526965b322bf1a745de64d87a9ea5db8c21f9c3e3c51eacd6cbb2d81088f233f13890f9caf3
SSDEEP

384:fhJO5J/vuyQonKI6GiMPcvqExFK4c/XK/3eXOlFsCuroV/DF5AePW4E0WcGzF:EvuyQdxMkFK4ci/uXOlt2equsF

Score

8^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4392-133-0x0000000010000000-0x0000000010011000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 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\{DF5EF25D-0928-2801-B63D-19D18AA79901}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DF5EF25D-0928-2801-B63D-19D18AA79901}\ = "Windows Media"	regsvr32.exe

Modifies registry class 50 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\ = "Microsoft(R) WindowsMedia Player"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID\ = "{DF5EF25D-0928-2801-B63D-19D18AA79901}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib\ = "{5173378F-411E-401B-AAB3-A197DF144470}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\ProgID\ = "windowsmedia.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer\ = "windowsmedia.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\ = "windowsmedia Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\TypeLib\ = "{5173378F-411E-401b-AAB3-A197DF144470}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\ = "windowsmedia Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\VersionIndependentProgID\ = "windowsmedia"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib\ = "{5173378F-411E-401B-AAB3-A197DF144470}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\ = "windowsmedia Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0928-2801-B63D-19D18AA79901}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ = "IIECatch"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID\ = "{DF5EF25D-0928-2801-B63D-19D18AA79901}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\ = "windowsmedia 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ = "IIECatch"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A2D5CDD2-53FF-1DD7-9991-E2C578609F0F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5173378F-411E-401B-AAB3-A197DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\90BAE9~1.DLL"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4228 wrote to memory of 4392	4228	regsvr32.exe	81
PID 4228 wrote to memory of 4392	4228	regsvr32.exe	81
PID 4228 wrote to memory of 4392	4228	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\90bae90c40ef2236213aa98bfa9828d16b233457f6621442ac231787545e1d35.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4392

Network

MITRE ATT&CK Enterprise v6

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/4392-133-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download