e6fa400ef5ac3f28c55b88da3f0d6152cd12e6a85c5f01d3c3d9e10abccd8b30

Analysis

max time kernel
104s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2025, 18:42

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General

Target

JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll
Size

120KB
MD5

8aeb8d2057a1a9a28a27ffa1ce973435
SHA1

312b36530f5e9adce75ba6d83471060629ca31a6
SHA256

e6fa400ef5ac3f28c55b88da3f0d6152cd12e6a85c5f01d3c3d9e10abccd8b30
SHA512

21131559a1e3a6421d28aebbfb465341c89660f10009beb36fd62717e0639ef6a6fa89fbc96055ec28031136ed77080497f3458b706d1084b14b8eddf4532403
SSDEEP

1536:8iGJVY0NSk4lTy9ibUhl3kvNCGh0xJUlqzym+4S9RrO7RE0Bs62:MVY0Nz4lTy7lsNh0JUlqzyWw0RE0d2

Score

6^/10

adware discovery 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\{3208E572-475B-4E70-9319-41286CE3A06C}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 42 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\ = "{3208E578-475B-4E70-9319-41286CE3A06C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ProgID\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\TypeLib\ = "{3208E578-475B-4E70-9319-41286CE3A06C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{3208E572-475B-4E70-9319-41286CE3A06C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "IEHlprObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "IEHlprObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3208E571-475B-4E70-9319-41286CE3A06C}\ = "IIEHlprObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3208E572-475B-4E70-9319-41286CE3A06C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3208E578-475B-4E70-9319-41286CE3A06C}\1.0\ = "IEHelper 1.0 Type Library"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4332	regsvr32.exe
4332	regsvr32.exe
4332	regsvr32.exe
4332	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 344 wrote to memory of 4332	344	regsvr32.exe	86
PID 344 wrote to memory of 4332	344	regsvr32.exe	86
PID 344 wrote to memory of 4332	344	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:344
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aeb8d2057a1a9a28a27ffa1ce973435.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4332

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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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