2d4278ac632b4bb57bfc0dc45dc4f226e3381a0df77aaa09a22d558829485e35

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 14:50

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General

Target

3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.dll
Size

640KB
MD5

3dd1a3bac31bca8ba2ae30554daaebf6
SHA1

4a73142e087ef9caaa4a932c510a0135b0da8546
SHA256

2d4278ac632b4bb57bfc0dc45dc4f226e3381a0df77aaa09a22d558829485e35
SHA512

610c0ba93c2393155c441d2b973eb5d63c6b50fe908def75bc68b1773128a59f0bd033ec515b42e71bc2eca27c0285bc7b5f597e0fc6e425c2706c7cecc80620
SSDEEP

12288:3kdtYzsZDM2fjYiV/UzxoyS7nUmsn7lLu2UJQ7VhM2tePm:0dGzs/0kwolUf7lZUJQBhMA+

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\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\ProgID\ = "3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.brm inc"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-6629-6131-CE6C-88CB42C5EE1B}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 3180	3020	regsvr32.exe	83
PID 3020 wrote to memory of 3180	3020	regsvr32.exe	83
PID 3020 wrote to memory of 3180	3020	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3dd1a3bac31bca8ba2ae30554daaebf6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3180

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

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Downloads

memory/3180-0-0x0000000001EC0000-0x0000000001F64000-memory.dmp

Filesize
656KB

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