e5ab31c1ae92e646313e30e071c94406bc07019ba9ad8409de9c4406148f6a55

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 14:27

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General

Target
a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll
Size 224KB
Sample240613-rsxa7ssfnd
SHA256 e5ab31c1ae92e646313e30e071c94406bc07019ba9ad8409de9c4406148f6a55
MD5 a604ede3071be1a17ae40bdc17d1d0eb
SHA1 5f5f8c4b7631fa3671a4f6170dfb401f30f7bf86
SHA512 720e670cf2de55bbb1d169faf01c0a7f25a827e0d07d3de9bd08e695211d7608c478ab3f94f124b84d4e69c70419a0b284bbba63d91f300d9b28cf6cad4d4ed0
SSDEEP 3072:xp25uO8X/lLZ7KHQXbij0YpOJryWNCj3g9uSjQmBItzQIwiZ+LSS/ERH1/eGUabT:xWuO8X/lt7KkioWOtJShcaYdRzk
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\{293A61AE-CC96-7950-8F4D-B7DF19543512}	regsvr32.exe

Modifies registry class 31 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\ = "bho 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ = "ITsAdv"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ = "ITsAdv"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{293A61AE-CC96-7950-8F4D-B7DF19543512}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{373E0369-863A-4345-BD57-F46DD9A0C4F2}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C848D4BE-A391-4456-ABAA-81E834C77700}\TypeLib\ = "{373E0369-863A-4345-BD57-F46DD9A0C4F2}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 3144	2840	regsvr32.exe	89
PID 2840 wrote to memory of 3144	2840	regsvr32.exe	89
PID 2840 wrote to memory of 3144	2840	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a604ede3071be1a17ae40bdc17d1d0eb_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3144

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3608,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:4148

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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