2c483e46aa4e15932d06bbbd39fc67e6548c864ba248e59b6d3bd2a8801e4b0a | Triage

Sharing

General

Target

fd093c1edd9a2092e89493a0661bac0c_JaffaCakes118
Size

346KB
Sample

240928-yn32hstepr
MD5

fd093c1edd9a2092e89493a0661bac0c
SHA1

49ab55ccd8ead7c293335ab80acd65bf0ccfdfec
SHA256

2c483e46aa4e15932d06bbbd39fc67e6548c864ba248e59b6d3bd2a8801e4b0a
SHA512

994961ae7095c1946d38fc48eeae78f91857f4ff8ff037b24be640ba2291bccde9cd6658c95776c20d0d9551512bf198b96114bddbda4a99dc33d234da6a3feb
SSDEEP

6144:vSncRlDRYyhtBJVszzjdgi6T7yFLro08gFVrvmnVW5GJZ2tNYLj8MfsPJe/Grdn4:K45fT3VUVFLB/FVSVzYKj86sPwMd4

Score

7^/10

bootkit discovery persistence

Malware Config

Targets

- Target
  
  fd093c1edd9a2092e89493a0661bac0c_JaffaCakes118
- Size
  
  346KB
- MD5
  
  fd093c1edd9a2092e89493a0661bac0c
- SHA1
  
  49ab55ccd8ead7c293335ab80acd65bf0ccfdfec
- SHA256
  
  2c483e46aa4e15932d06bbbd39fc67e6548c864ba248e59b6d3bd2a8801e4b0a
- SHA512
  
  994961ae7095c1946d38fc48eeae78f91857f4ff8ff037b24be640ba2291bccde9cd6658c95776c20d0d9551512bf198b96114bddbda4a99dc33d234da6a3feb
- SSDEEP
  
  6144:vSncRlDRYyhtBJVszzjdgi6T7yFLro08gFVrvmnVW5GJZ2tNYLj8MfsPJe/Grdn4:K45fT3VUVFLB/FVSVzYKj86sPwMd4
Score

7^/10

bootkit discovery persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- 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 SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

Bootkit

Privilege Escalation

Defense Evasion

Pre-OS Boot

Bootkit

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitdiscoverypersistence

behavioral2