1c219c065ae0db10ef5592c36a57d40b5e337923c83aebcf11306f40fffb2dd8

Analysis

max time kernel
147s
max time network
155s
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, 02:11

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General

Target
f2732ab56264d71802b127ae8106bc29_JaffaCakes118.dll
Size 79KB
Sample240416-cmcbhsgg4t
SHA256 1c219c065ae0db10ef5592c36a57d40b5e337923c83aebcf11306f40fffb2dd8
MD5 f2732ab56264d71802b127ae8106bc29
SHA1 09ecebf496f953dfe973ae8da75c51ee07128361
SHA512 58d16fe4d694a6eb3881f39352aedf1b94d05d0e08d04b8275241a1604ce35f3fb35c6bd62cf309e9ae413faeced90b8c41f398edcae5a77e22828f7a7aa8ff1
SSDEEP 1536:y3hi7uEzQcdIknLq5lzyVzDh/2WGo7IFW2C8r1yao8vlfOGInqHCKumkvvvXHk6E:ciKNPt5lzA0h8dRk1y78vlfOBYC18
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 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\{20f3d901-d502-4390-951f-8f2369506699}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{20f3d901-d502-4390-951f-8f2369506699}\ = "{99660596-32f8-f159-0934-205d109d3f02}"	rundll32.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20f3d901-d502-4390-951f-8f2369506699}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20f3d901-d502-4390-951f-8f2369506699}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20f3d901-d502-4390-951f-8f2369506699}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f2732ab56264d71802b127ae8106bc29_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{20f3d901-d502-4390-951f-8f2369506699}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3932	5080	rundll32.exe	83
PID 5080 wrote to memory of 3932	5080	rundll32.exe	83
PID 5080 wrote to memory of 3932	5080	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2732ab56264d71802b127ae8106bc29_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2732ab56264d71802b127ae8106bc29_JaffaCakes118.dll,#1
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3932

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

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Downloads

memory/3932-0-0x0000000010000000-0x000000001002D000-memory.dmp

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memory/3932-1-0x0000000010000000-0x000000001002D000-memory.dmp

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memory/3932-2-0x0000000010000000-0x000000001002D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads