fd294c2e0b74e4799123945c44d591b4de8cdd547243893b63c70cec27e39db7

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
16/07/2024, 08:23

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General

Target

4d86128edfd050a61cef8a6a2363d919_JaffaCakes118.dll
Size

72KB
MD5

4d86128edfd050a61cef8a6a2363d919
SHA1

968151959fda70df842a1c5f79d4971fa166ac5e
SHA256

fd294c2e0b74e4799123945c44d591b4de8cdd547243893b63c70cec27e39db7
SHA512

c0bbe1c74032725f29b80490b382170e40346afe44d8b059078565868e7166869acbbf8aa0fd9edbb39c4d89c967b775559ce092a6d08db81bf929c7c9059d9a
SSDEEP

1536:1bQTn7rJk43Qh2LPsYNtJIQef3YQeuohB5agwjK+bkpNWkW:1ben7pgwLkRQrC25SjK+gpNWk

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/2528-0-0x0000000010000000-0x000000001003D000-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\{A662EE01-75C5-C92F-813C-5FA75361FCD2}	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\VersionIndependentProgID\ = "GczYnuup.IEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj\ = "GczYnuup Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4d86128edfd050a61cef8a6a2363d919_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ = "IIEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib\ = "{A662EE00-75C5-C92F-813C-5FA75361FCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj.1\ = "GczYnuup Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4D8612~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\ProgID\ = "GczYnuup.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj.1\CLSID\ = "{A662EE01-75C5-C92F-813C-5FA75361FCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj\CurVer\ = "GczYnuup.IEHlprObj.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A662EE01-75C5-C92F-813C-5FA75361FCD2}\ = "GczYnuup Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\ = "GczYnuup 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib\ = "{A662EE00-75C5-C92F-813C-5FA75361FCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A662EE00-75C5-C92F-813C-5FA75361FCD2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A662EEFF-75C5-C92F-813C-5FA75361FCD2}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GczYnuup.IEHlprObj	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2528	2760	regsvr32.exe	83
PID 2760 wrote to memory of 2528	2760	regsvr32.exe	83
PID 2760 wrote to memory of 2528	2760	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4d86128edfd050a61cef8a6a2363d919_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4d86128edfd050a61cef8a6a2363d919_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2528

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/2528-0-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

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