db6526c61b3211f98c15425615a09742efb8ff5505cd50e784654514e47cfb7e | Triage

Sharing

General

Target

38d2d4537d8849d3fd8aed479380840d_JaffaCakes118
Size

893KB
Sample

240711-mzn6ystbnn
MD5

38d2d4537d8849d3fd8aed479380840d
SHA1

0315d0ae0f82558ef3d2f343f5cd0efbe120d3b1
SHA256

db6526c61b3211f98c15425615a09742efb8ff5505cd50e784654514e47cfb7e
SHA512

a3fd21657cf788071546a83acb9852cc7deeb5d18c3f7924c5e6983e6ffbcfdb4d743e55b3bf3a42cd7eed4f5808c9d7ed23224c08ea63322ad30acba95778f4
SSDEEP

24576:dJmxugv94gkzjEtB7QEFoLhtAEUvWhzu1yW:OBsWVvB1X

Score

8^/10

bootkit evasion persistence trojan upx

Malware Config

Targets

- Target
  
  38d2d4537d8849d3fd8aed479380840d_JaffaCakes118
- Size
  
  893KB
- MD5
  
  38d2d4537d8849d3fd8aed479380840d
- SHA1
  
  0315d0ae0f82558ef3d2f343f5cd0efbe120d3b1
- SHA256
  
  db6526c61b3211f98c15425615a09742efb8ff5505cd50e784654514e47cfb7e
- SHA512
  
  a3fd21657cf788071546a83acb9852cc7deeb5d18c3f7924c5e6983e6ffbcfdb4d743e55b3bf3a42cd7eed4f5808c9d7ed23224c08ea63322ad30acba95778f4
- SSDEEP
  
  24576:dJmxugv94gkzjEtB7QEFoLhtAEUvWhzu1yW:OBsWVvB1X
Score

8^/10

bootkit evasion persistence trojan upx
- 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
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- 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
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Active Setup

Pre-OS Boot

Bootkit

Privilege Escalation

Boot or Logon Autostart Execution

Active Setup

Defense Evasion

Modify Registry

Pre-OS Boot

Bootkit

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitevasionpersistencetrojanupx

behavioral2