f8b74255b5bbb8579e4f42b7c4004780fbd28e50c5a8f90a65464a02dc149d58 | Triage

Sharing

General

Target

7481244fcb97dd7f4e2f723fe393ad1d_JaffaCakes118
Size

1.5MB
Sample

240726-r75k5avall
MD5

7481244fcb97dd7f4e2f723fe393ad1d
SHA1

819f2b0bbe5af01bca3214e30132db76c91b6605
SHA256

f8b74255b5bbb8579e4f42b7c4004780fbd28e50c5a8f90a65464a02dc149d58
SHA512

3ff26de96e050a1d4e9600161d75309d8cc27049541cdc6965b5e23aaf71cc47a4d963c745909b7647304a914d474a4ff51c39d8c65b52d99d40f015a99b5fb5
SSDEEP

24576:sPtPZZxmBXPU07bMgpXLoUCaNn6proVdCeVYEX031ykwE40kekPPDWOSV1zedGPP:sPrk/U07IVaNnDfCQk31jwlPPDWOSV99

Score

7^/10

bootkit discovery evasion persistence trojan

Malware Config

Targets

- Target
  
  7481244fcb97dd7f4e2f723fe393ad1d_JaffaCakes118
- Size
  
  1.5MB
- MD5
  
  7481244fcb97dd7f4e2f723fe393ad1d
- SHA1
  
  819f2b0bbe5af01bca3214e30132db76c91b6605
- SHA256
  
  f8b74255b5bbb8579e4f42b7c4004780fbd28e50c5a8f90a65464a02dc149d58
- SHA512
  
  3ff26de96e050a1d4e9600161d75309d8cc27049541cdc6965b5e23aaf71cc47a4d963c745909b7647304a914d474a4ff51c39d8c65b52d99d40f015a99b5fb5
- SSDEEP
  
  24576:sPtPZZxmBXPU07bMgpXLoUCaNn6proVdCeVYEX031ykwE40kekPPDWOSV1zedGPP:sPrk/U07IVaNnDfCQk31jwlPPDWOSV99
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