dc54c6166ef13bd0c13406fd9a9269389adc46d4a6b1cf38a016a25b4091fab2

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
14/03/2024, 12:08

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General

Target

c894f59c864b86176fcae55ac22b0c5b.dll
Size

48KB
MD5

c894f59c864b86176fcae55ac22b0c5b
SHA1

b42ce9ead230d9c104b712b70b9b2e4b96bd382a
SHA256

dc54c6166ef13bd0c13406fd9a9269389adc46d4a6b1cf38a016a25b4091fab2
SHA512

6a9acc137165f1068038446ecdcdda1c9f4718189da0ef98be63e0bae3e678880427965cb5e345b474d405358c791687d6164291d5a728ccf965847f45f1a536
SSDEEP

768:eGDlnykWqXXbdSBuVFoW20DmCE9iI9Be7hbuporvhSOfPl1h6ubHXre5tLvl9zeg:bcUXRSK+W2HCE90hySvwOfPlzrUk

Score

7^/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/4312-0-0x0000000010000000-0x000000001009E000-memory.dmp	upx

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\{161B953B-95F9-4af3-B071-D5FF5EA132EF}	regsvr32.exe

Modifies registry class 60 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\ = "IE Microsoft extension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp.1\CLSID\ = "{161B953B-95F9-4af3-B071-D5FF5EA132EF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ = "_IAppEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp.1\ = "IE Microsoft extension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\TypeLib\ = "{2D51E439-3AE8-4bf7-8FB2-45F768554DEC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib\ = "{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp\CLSID\ = "{161B953B-95F9-4af3-B071-D5FF5EA132EF}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib\ = "{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp\ = "IE Microsoft extension"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ = "IApp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c894f59c864b86176fcae55ac22b0c5b.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ = "IApp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp\CurVer\ = "MSApp.BhoApp.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c894f59c864b86176fcae55ac22b0c5b.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib\ = "{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\ProgID\ = "MSApp.BhoApp.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\ = "MSHpc 2.0 Lib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\VersionIndependentProgID\ = "MSApp.BhoApp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\ = "_IAppEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ECEE577A-5B6F-4BDC-9210-DB603D6BEF78}\TypeLib\ = "{2D51E439-3AE8-4BF7-8FB2-45F768554DEC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30989926-2D37-4561-B76F-65D0F89A3560}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSApp.BhoApp	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{161B953B-95F9-4af3-B071-D5FF5EA132EF}\ProgID	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 4312	1372	regsvr32.exe	88
PID 1372 wrote to memory of 4312	1372	regsvr32.exe	88
PID 1372 wrote to memory of 4312	1372	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c894f59c864b86176fcae55ac22b0c5b.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c894f59c864b86176fcae55ac22b0c5b.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4312

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/4312-0-0x0000000010000000-0x000000001009E000-memory.dmp

Filesize
632KB

Download