59b613290b00118ee7bff6149e588fda2404b6ce96d46a2b89cc97518823334f

Analysis

max time kernel
83s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 05:31

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General

Target

f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.dll
Size

194KB
MD5

f2ca7ad4dd1895973793c8d226d1ca04
SHA1

30e2fbf0db3e33b09329ec71af46f5318c1126d7
SHA256

59b613290b00118ee7bff6149e588fda2404b6ce96d46a2b89cc97518823334f
SHA512

c9cd7bc55c4461432d022353f8e69aa243bad9c0c9e8058ce32fefc316adcd12a2caf2c6a6e9ba0851151a37824dce70dde69a9959e772499e763fe37c9cdae8
SSDEEP

3072:EILYp/6oDftXv4PHBWehnCUb4kJLkRz+cY0jiQhoHRn9Fj71KfCA1OvQHnapmK:h897xX8YUnCMRJ4O0jpoxn9FNKf4OQP

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\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.Java (TM)\Clsid\ = "{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.Java (TM)	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ = "Java (TM)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.Java (TM)\ = "Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.Java (TM)\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID\ = "f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.Java (TM)"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2312	2964	regsvr32.exe	86
PID 2964 wrote to memory of 2312	2964	regsvr32.exe	86
PID 2964 wrote to memory of 2312	2964	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f2ca7ad4dd1895973793c8d226d1ca04_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2312

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

Windows 7 deprecation

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