f5dc6f3e9dfda43b81ef234842e1161c8e4440a7b320cfe7230b842f39c77613

Analysis

max time kernel
134s
max time network
148s
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 00:46

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General

Target

a4bf3f10c09d4b937849a6665a31b5b1_JaffaCakes118.dll
Size

2.1MB
MD5

a4bf3f10c09d4b937849a6665a31b5b1
SHA1

a32e68dad75cdf4349f49267c87e17880b138860
SHA256

f5dc6f3e9dfda43b81ef234842e1161c8e4440a7b320cfe7230b842f39c77613
SHA512

781cbdaa2a1bda7036d7f644d6419085b507234ffe81cc2f9311726c902844e04ffa4755fa796a66edb5069ff6bc7d118779657c3d617fad4fc7a6a8c1120177
SSDEEP

49152:/lA7wtqzkYpJ/N2nv9AJqOAY4s/tY7HIOLx3F:/SXzkYpJ143A4f7lLNF

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\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}	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 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a4bf3f10c09d4b937849a6665a31b5b1_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 1300	3864	regsvr32.exe	84
PID 3864 wrote to memory of 1300	3864	regsvr32.exe	84
PID 3864 wrote to memory of 1300	3864	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a4bf3f10c09d4b937849a6665a31b5b1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a4bf3f10c09d4b937849a6665a31b5b1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1300

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

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Downloads

memory/1300-0-0x0000000000400000-0x0000000000612000-memory.dmp

Filesize
2.1MB

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