9bca8ac4677022e60eb75b60215bf4f1e80ae9626bc8ab760ad772c87dd75dde

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 02:33

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General

Target
ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.dll
Size 194KB
Sample240411-c11w2aaa56
SHA256 9bca8ac4677022e60eb75b60215bf4f1e80ae9626bc8ab760ad772c87dd75dde
MD5 ec7dfa6120c422d8c73654b525347f42
SHA1 a68f3c6d78307c870de603013488dcc28e5cd83a
SHA512 925b3c1ced0994d99342266cccd2ca821185e9c6325f3c4150930b8f41ffc9806ea19044a6f08f93fd20d53f723928b8dd99adcd3bd5fabc3f328cf03d32231d
SSDEEP 3072:uILYp/6oDftXv4PHBWehnCUb4kJLkRz+cY0jiQh3BxBn9Fj71KfCA15naBms:L897xX8YUnCMRJ4O0jpfBn9FNKfLU9
MD5 SHA1 SHA512 SSDEEP

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\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.Java (TM)\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.Java (TM)\Clsid\ = "{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ = "Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.Java (TM)	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.Java (TM)\ = "Java (TM)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DFD7EF6-AAF8-4C8F-A14F-FC93EB592B78}\ProgID\ = "ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.Java (TM)"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2152	1660	regsvr32.exe	85
PID 1660 wrote to memory of 2152	1660	regsvr32.exe	85
PID 1660 wrote to memory of 2152	1660	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ec7dfa6120c422d8c73654b525347f42_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2152

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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