72108d267fcae0da4b0684dd18644d977458be138c7e4b2e41ed2daed86b078f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 01:48

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General

Target

f93d5b7c4679e82015e2efaa2dfa70ee_JaffaCakes118.dll
Size

432KB
MD5

f93d5b7c4679e82015e2efaa2dfa70ee
SHA1

5cf705ca2687506ac6bbf04c0133118e5ffcfba6
SHA256

72108d267fcae0da4b0684dd18644d977458be138c7e4b2e41ed2daed86b078f
SHA512

b0bca6c25797b3323cc90ae99d0672eca79f9ea1455766a0c6640364019e7f68861f1317f8e0714a58bb07ca2cbb117c094c9ada31084e4747b4eadd6808825d
SSDEEP

12288:tXRR6v1aBmsXxoZSdWJmJXHgo2Q7T7FSWi8cdpRWnWEW:tXw1awsXqwPJXHOQ71SWiJbRWnWEW

Score

6^/10

bootkit persistence

Malware Config

Signatures

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

rundll32.exe

description ioc process

File opened for modification \??\PhysicalDrive0 rundll32.exe
Drops file in System32 directory 2 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Windows\SysWOW64\42-2017101 rundll32.exe
File created C:\Windows\SysWOW64\28bb rundll32.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\42-2017101	rundll32.exe
File created	C:\Windows\SysWOW64\28bb	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5004 wrote to memory of 1992	5004	rundll32.exe	rundll32.exe
PID 5004 wrote to memory of 1992	5004	rundll32.exe	rundll32.exe
PID 5004 wrote to memory of 1992	5004	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f93d5b7c4679e82015e2efaa2dfa70ee_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5004

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f93d5b7c4679e82015e2efaa2dfa70ee_JaffaCakes118.dll,#1
2⤵
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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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