421f41bd2a70a53f579c1ea10f8a5b1e47d5e44ac16dc8e00c2bdfdf2a751960 | Triage

Sharing

General

Target

84cc6e17d46a2359ee05f82a635d9b57_JaffaCakes118
Size

1.2MB
Sample

240810-e3jfwazdla
MD5

84cc6e17d46a2359ee05f82a635d9b57
SHA1

79bcbbe540668cad337f292c34c5605b20618017
SHA256

421f41bd2a70a53f579c1ea10f8a5b1e47d5e44ac16dc8e00c2bdfdf2a751960
SHA512

b16773c0b1c505770a9446c99e66167376a61f8de89043ac11aca19d9cd443ecb9338adfd4b9c2bbf77ce2b3cb5aeb8cdd305dc5ab6c04649945e97f671d4ee5
SSDEEP

24576:zqJuks0Gs+vrHEF1tTHd0drauOwnTVnAg9XVuzSUZcdh+nuLdQFYg1:zqIksackFKpFOwTJMzpa3++dQFY+

Score

8^/10

bootkit discovery evasion persistence trojan

Malware Config

Targets

- Target
  
  84cc6e17d46a2359ee05f82a635d9b57_JaffaCakes118
- Size
  
  1.2MB
- MD5
  
  84cc6e17d46a2359ee05f82a635d9b57
- SHA1
  
  79bcbbe540668cad337f292c34c5605b20618017
- SHA256
  
  421f41bd2a70a53f579c1ea10f8a5b1e47d5e44ac16dc8e00c2bdfdf2a751960
- SHA512
  
  b16773c0b1c505770a9446c99e66167376a61f8de89043ac11aca19d9cd443ecb9338adfd4b9c2bbf77ce2b3cb5aeb8cdd305dc5ab6c04649945e97f671d4ee5
- SSDEEP
  
  24576:zqJuks0Gs+vrHEF1tTHd0drauOwnTVnAg9XVuzSUZcdh+nuLdQFYg1:zqIksackFKpFOwTJMzpa3++dQFY+
Score

8^/10

bootkit discovery evasion persistence trojan
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Active Setup

Registry Run Keys / Startup Folder

Pre-OS Boot

Bootkit

Privilege Escalation

Boot or Logon Autostart Execution

Active Setup

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Pre-OS Boot

Bootkit

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitdiscoveryevasionpersistencetrojan

behavioral2

discoveryevasiontrojan