70734a09343722b539a1a3bcde3bec7922b695d7e4651cdebd5d7230ba558131

Analysis

max time kernel
106s
max time network
139s
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, 12:53

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General

Target

JaffaCakes118_8aae32d239d7271686be20a7622684e0.dll
Size

473KB
MD5

8aae32d239d7271686be20a7622684e0
SHA1

2aa08286f295e6f51bf4713a7a364951aa227bfd
SHA256

70734a09343722b539a1a3bcde3bec7922b695d7e4651cdebd5d7230ba558131
SHA512

593f080de92d1bcaed1c20f0fc9b2d2f4a3786840d5800d9aa9a9b7ffb0af59b672c152ca509bf825e01ab129773458132eef69a1b24225c36c531b85a8beaa6
SSDEEP

12288:Tmft8PTfDzdyExHtWTjI/U1a6q1mGL1lEkxjVJ:Ctgf7ZtWrImI1Vxv

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{97DE75C8-104A-4881-90AF-0ABAB3576193}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{97DE75C8-104A-4881-90AF-0ABAB3576193}\	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 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_8aae32d239d7271686be20a7622684e0.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JaffaCakes118_8aae32d239d7271686be20a7622684e0.VagaaÍÛ¸Â»Ê±´ú\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JaffaCakes118_8aae32d239d7271686be20a7622684e0.VagaaÍÛ¸Â»Ê±´ú\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\JaffaCakes118_8aae32d239d7271686be20a7622684e0.VagaaÍÛ¸Â»Ê±´ú\Clsid\ = "{97DE75C8-104A-4881-90AF-0ABAB3576193}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\ProgID\ = "JaffaCakes118_8aae32d239d7271686be20a7622684e0.VagaaÍÛ¸Â»\u00adÊ±´ú"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\ = "Ö§³Ö¶àÖÖÐ\u00adÒéµÄBT"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{97DE75C8-104A-4881-90AF-0ABAB3576193}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\JaffaCakes118_8aae32d239d7271686be20a7622684e0.VagaaÍÛ¸Â»Ê±´ú	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 1812	4780	regsvr32.exe	86
PID 4780 wrote to memory of 1812	4780	regsvr32.exe	86
PID 4780 wrote to memory of 1812	4780	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aae32d239d7271686be20a7622684e0.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8aae32d239d7271686be20a7622684e0.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1812

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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