afc646d02072d606db9479d82ceabec473de2d41607ef86452260977e9928a05

Analysis

max time kernel
97s
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
15-04-2024 16:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f17df1907ec37429d08fe4147cf64e0d_JaffaCakes118.dll
Size

9KB
MD5

f17df1907ec37429d08fe4147cf64e0d
SHA1

cc851f716d3eff03987c1058f4de0087c177575f
SHA256

afc646d02072d606db9479d82ceabec473de2d41607ef86452260977e9928a05
SHA512

8b12f9f4590c28234902d166a69f6ac13080577e7be5b08beb491337c60eb7e226644176adea4918185caf15ef7a52a842b3d687f6f4ad52d2ee245004535688
SSDEEP

192:YfTg0kDHcKauBwWA9WCCNfUoa4P5TfOP:YLIDHcKaaCCJ1a4xTfO

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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\{8A5849C4-93F3-429D-FF34-660A2068897C}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17df1907ec37429d08fe4147cf64e0d_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8A5849C4-93F3-429D-FF34-660A2068897C}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17df1907ec37429d08fe4147cf64e0d_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3548	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 3548	3160	regsvr32.exe	87
PID 3160 wrote to memory of 3548	3160	regsvr32.exe	87
PID 3160 wrote to memory of 3548	3160	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f17df1907ec37429d08fe4147cf64e0d_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f17df1907ec37429d08fe4147cf64e0d_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3548

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3548-0-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download