9d74188f0795bc538bc293200263203b9de2a9e717a963a7b4871e7a86652c8c

Analysis

max time kernel
143s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 10:33

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General

Target

4967ab4ea60ef6e9be56f1671679e65c_JaffaCakes118.dll
Size

306KB
MD5

4967ab4ea60ef6e9be56f1671679e65c
SHA1

c0f501f3597fe18fdef011df7af2fd6f60183af3
SHA256

9d74188f0795bc538bc293200263203b9de2a9e717a963a7b4871e7a86652c8c
SHA512

f0fb377f454afd457c829b9e6e431d5bb1e0832cc6078850ea49685249eeb83720c64d4d2cd88640fbb5c679ba4eeeb93ecc2fa3d32be1871dc19aa083b73fb6
SSDEEP

6144:Fz5KodpxNV7gIebTNzJ5y7RdFNTBr3VHYAopsx:Fz5KodPNV7belzJ5UFNTR3V8K

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\{8a45d391-5d47-6025-8d43-c97623af5d7b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8a45d391-5d47-6025-8d43-c97623af5d7b}\NoExplorer = "\"\""	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8a45d391-5d47-6025-8d43-c97623af5d7b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8a45d391-5d47-6025-8d43-c97623af5d7b}\ = "dcads"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8a45d391-5d47-6025-8d43-c97623af5d7b}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8a45d391-5d47-6025-8d43-c97623af5d7b}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4967ab4ea60ef6e9be56f1671679e65c_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8a45d391-5d47-6025-8d43-c97623af5d7b}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 4684	368	regsvr32.exe	83
PID 368 wrote to memory of 4684	368	regsvr32.exe	83
PID 368 wrote to memory of 4684	368	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\4967ab4ea60ef6e9be56f1671679e65c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:368
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\4967ab4ea60ef6e9be56f1671679e65c_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:4684

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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