b8bf1ae9eefce21bfaac18e3e5d584e16d3cbb7fbc9c45289f1f535eb953182b

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2024, 20:39

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General

Target
ef75419be7a1303b496988ca84ea9032_JaffaCakes118.dll
Size 208KB
Sample240414-zfbsqsda72
SHA256 b8bf1ae9eefce21bfaac18e3e5d584e16d3cbb7fbc9c45289f1f535eb953182b
MD5 ef75419be7a1303b496988ca84ea9032
SHA1 d329d14df0d74101167284852039b963bef8f100
SHA512 be56ec59ce3002089478fa3f0c1e9ebfafc4b4b41205968e7aa84ef2434e0b0accb8e6ec7c3ca4d9b6cfdc1c3a64dd907218dbf7785d14e8d1b72f147e113db5
SSDEEP 3072:e6dKzH+FNk4c+HYPUxD6S1sPNkasJpwtzlZS+vekcBNptbbyC:Tvc+HBDrekNwRekc3n
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\{88425A92-EB25-4ABA-A863-3380D2C570B7}	regsvr32.exe

Modifies registry class 56 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer\ = "DVA.Media"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ = "_IaokaEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\ = "DVA"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ = "_IaokaEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\TypeLib\ = "{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\ = "DVA Media"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\ = "aoka TL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ = "Iaoka"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ = "Iaoka"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef75419be7a1303b496988ca84ea9032_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib\ = "{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID\ = "{88425A92-EB25-4ABA-A863-3380D2C570B7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib\ = "{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\ProgID\ = "DVA.Media"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\VersionIndependentProgID\ = "DVA.Media"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{68569041-6996-49BC-B3AB-E33C3452C303}\TypeLib\ = "{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{88425A92-EB25-4ABA-A863-3380D2C570B7}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F86A9D2C-BF6C-44BE-8F80-9B430EC19927}\TypeLib\ = "{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ef75419be7a1303b496988ca84ea9032_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{20C11FF1-30C0-4B2C-B6FE-18B3BD0FCCD2}\1.0\HELPDIR	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 1260	4664	regsvr32.exe	91
PID 4664 wrote to memory of 1260	4664	regsvr32.exe	91
PID 4664 wrote to memory of 1260	4664	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ef75419be7a1303b496988ca84ea9032_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ef75419be7a1303b496988ca84ea9032_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1260

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 --mojo-platform-channel-handle=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:3140

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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