868d90f8404a1b555edd3ffc3e7493542dde5e6bc738165ebefcd7e2fbb34478

Analysis

max time kernel
135s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-08-2024 20:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.dll
Size

640KB
MD5

a8054c8dcfefb410dc768b73532bcb1f
SHA1

d156c7ba19f06594ccaf80804783b1a747305f9c
SHA256

868d90f8404a1b555edd3ffc3e7493542dde5e6bc738165ebefcd7e2fbb34478
SHA512

aaeee513866a8cdbf537bdb159b5ffed64c94a0683bf252f4771277682d6c528a8bea5ba13b0e81fd6039b440dc93d9f41e1001e22755491ce7f95276a4bee0f
SSDEEP

12288:3kdtYzsZDM2fjYiV/UzxoyS7nUmsn7lMLTNqh+q2tePm:0dGzs/0kwolUf7l+TQh+qA+

Score

6^/10

adware discovery 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-945D-39A2-84E8-5F5D3254A41F}	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\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-945D-39A2-84E8-5F5D3254A41F}\ProgID\ = "a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 232	4000	regsvr32.exe	84
PID 4000 wrote to memory of 232	4000	regsvr32.exe	84
PID 4000 wrote to memory of 232	4000	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a8054c8dcfefb410dc768b73532bcb1f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:232

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/232-0-0x0000000000920000-0x00000000009C4000-memory.dmp

Filesize
656KB

Download