b3548cc678a05767b7635cc5a51e2c1ed7e04dfe8ebbfb4287a24e53558b25da | Triage

Sharing

General

Target

6831878c5a4637cc745279b8add40009_JaffaCakes118
Size

1.5MB
Sample

240723-s7alesxerk
MD5

6831878c5a4637cc745279b8add40009
SHA1

8af2ad2a12cf6ff6f37d38a9314405a1e24f7f06
SHA256

b3548cc678a05767b7635cc5a51e2c1ed7e04dfe8ebbfb4287a24e53558b25da
SHA512

ebbd1a55009fc5b4843b1d84e5ae5bf251f98c99ab4867c2ff3c2d5be06e92d33611f37c5d9631f190019763e2bb8de7f5d4664a3f6ee274c7fe7db31897f37f
SSDEEP

24576:jDx9hh1wUhGfxaFNz2qt9DLbGUzAqZs7alfVGs1qBowdyUw90xRB64Lgx7NyS:x9hh1wUh1XtVLaUcq/8TBowdDDr

Score

7^/10

bootkit discovery evasion persistence trojan

Malware Config

Targets

- Target
  
  6831878c5a4637cc745279b8add40009_JaffaCakes118
- Size
  
  1.5MB
- MD5
  
  6831878c5a4637cc745279b8add40009
- SHA1
  
  8af2ad2a12cf6ff6f37d38a9314405a1e24f7f06
- SHA256
  
  b3548cc678a05767b7635cc5a51e2c1ed7e04dfe8ebbfb4287a24e53558b25da
- SHA512
  
  ebbd1a55009fc5b4843b1d84e5ae5bf251f98c99ab4867c2ff3c2d5be06e92d33611f37c5d9631f190019763e2bb8de7f5d4664a3f6ee274c7fe7db31897f37f
- SSDEEP
  
  24576:jDx9hh1wUhGfxaFNz2qt9DLbGUzAqZs7alfVGs1qBowdyUw90xRB64Lgx7NyS:x9hh1wUh1XtVLaUcq/8TBowdDDr
Score

7^/10

bootkit discovery evasion persistence trojan
- 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
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Pre-OS Boot

Bootkit

Privilege Escalation

Boot or Logon Autostart Execution

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