d21425e11e39831ba4d7fa2aef19089fe65381f1bcf3cf00d8dc73293d73bc5f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2024, 05:04

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General

Target

fe7f30003881152314460ff242dbf053_JaffaCakes118.dll
Size

14KB
MD5

fe7f30003881152314460ff242dbf053
SHA1

67b87d1b84c22950bcfce01f6b2d9f1d4dc08db7
SHA256

d21425e11e39831ba4d7fa2aef19089fe65381f1bcf3cf00d8dc73293d73bc5f
SHA512

0936b59c7048b0ac5f6318edc94c0e90d827efd16f66b39963406c6817be9aac22b5bf31843cf57733c83fe36533b34b45fb2b093c011c96323d68d0613b7de0
SSDEEP

192:Z9XjLnu/yADy9YLBl/BXvLVI3JNLSYV6H7OXy/d4V3gdIdq4OSyGLjGA:Z9z6yAHHJXDVI3J5dVE7O0d4VHOS

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\{C5AF42A3-94F3-42BD-F434-3604832C897D}	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fe7f30003881152314460ff242dbf053_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fe7f30003881152314460ff242dbf053_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C5AF42A3-94F3-42BD-F434-3604832C897D}\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4412	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4412	4636	regsvr32.exe	87
PID 4636 wrote to memory of 4412	4636	regsvr32.exe	87
PID 4636 wrote to memory of 4412	4636	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fe7f30003881152314460ff242dbf053_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fe7f30003881152314460ff242dbf053_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:4412

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/4412-0-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/4412-1-0x0000000000B20000-0x0000000000B22000-memory.dmp

Filesize
8KB

Download
memory/4412-2-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download