1e96bb5b6683c0061e77821db787184f6c15696414c6fb71792392f79bba2d15

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 08:41

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General

Target

4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll
Size

120KB
MD5

4515e5d21f61dd9bcaadf9094948e57b
SHA1

56b41d6edb0ffea9ebec070649ccb542dadbb625
SHA256

1e96bb5b6683c0061e77821db787184f6c15696414c6fb71792392f79bba2d15
SHA512

31270f550a8a5041762d05efbe595bc7b805fbcd58d497d1d60b8f2414bae1223862e1a8d4d1f6de9da62adf53b436066bbe8f5c2cf8456b2bbd301936195880
SSDEEP

3072:deYZ6FCLi/bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7Dzt0y:dxZ4wQwvP6bQ7yMP+DE827Pb

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

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

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30
PID 2648 wrote to memory of 2748	2648	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4515e5d21f61dd9bcaadf9094948e57b_JaffaCakes118.dll,#1
  2⤵
  - Writes to the Master Boot Record (MBR)
  - Modifies registry class
  PID:2748

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

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Downloads

memory/2748-1-0x000000000040F000-0x0000000000410000-memory.dmp

Filesize
4KB

Download
memory/2748-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads