d11392c66c7a111a1b4376e220cefe79dddad5740460549853cf0ff5aba83cfb

Analysis

max time kernel
93s
max time network
95s
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, 10:01

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General

Target

4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.dll
Size

496KB
MD5

4dd2b147bdd919b3bba913664a5c82b6
SHA1

c1ccd36dc488f0a615883c6ea845201fe29f6580
SHA256

d11392c66c7a111a1b4376e220cefe79dddad5740460549853cf0ff5aba83cfb
SHA512

82361f587c5c75110603b0e09c3f03334fc9f2f152ab1925dcbb3c9d90c0a8ac2ca9527fcb2c7506bd2840ddebb0ed6c708c97012493882f79df2e3942734b77
SSDEEP

12288:kctOmHkfYUMY6V4K3Ui3C6LgzYkzuEkbWQrdx:kYOmEfYUxEFkiy6PSqrdx

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\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.JavaPortableMix.config\ = "JavaPortableMix.config"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.JavaPortableMix.config\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ = "JavaPortableMix.config"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.JavaPortableMix.config	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.JavaPortableMix.config\Clsid\ = "{921F7C9E-E24A-4A9A-847C-1708FBE274E7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}\ProgID\ = "4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.JavaPortableMix.config"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{921F7C9E-E24A-4A9A-847C-1708FBE274E7}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 1040	4824	regsvr32.exe	83
PID 4824 wrote to memory of 1040	4824	regsvr32.exe	83
PID 4824 wrote to memory of 1040	4824	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4dd2b147bdd919b3bba913664a5c82b6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1040

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

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Downloads

memory/1040-0-0x000000003BAF0000-0x000000003BC76000-memory.dmp

Filesize
1.5MB

Download
memory/1040-1-0x0000000003420000-0x0000000003421000-memory.dmp

Filesize
4KB

Download