f2f03b4d660d6c9ea2aa67e9be35f6ab4c4e5daf9673622b645e29fb85c7faf4 | Triage

Sharing

General

Target

3d8277eae29afe5fa91180fc938f4b3c_JaffaCakes118
Size

758KB
Sample

240729-khnsrazflr
MD5

3d8277eae29afe5fa91180fc938f4b3c
SHA1

02770a9b83cd8c82c70814d5b72041e240d3bed1
SHA256

f2f03b4d660d6c9ea2aa67e9be35f6ab4c4e5daf9673622b645e29fb85c7faf4
SHA512

bbd37e220d0d6c350e9fc3c38c33dce4aa8af4c5be7708a375b80f821ca0eb9c8248335b964f734793bbd10a0cf32462f955d531920cc747f7816fbb93333c0f
SSDEEP

12288:5dtnqYk9TmLe+TBshw02+xodZ2iSjD5cdrLbVrBpFpQcBJBgqZDE0OF:5d1qYESNTBI1xoPrPVrBpFpDXgqZi

Score

9^/10

defense_evasion discovery evasion persistence ransomware

Malware Config

Targets

- Target
  
  3d8277eae29afe5fa91180fc938f4b3c_JaffaCakes118
- Size
  
  758KB
- MD5
  
  3d8277eae29afe5fa91180fc938f4b3c
- SHA1
  
  02770a9b83cd8c82c70814d5b72041e240d3bed1
- SHA256
  
  f2f03b4d660d6c9ea2aa67e9be35f6ab4c4e5daf9673622b645e29fb85c7faf4
- SHA512
  
  bbd37e220d0d6c350e9fc3c38c33dce4aa8af4c5be7708a375b80f821ca0eb9c8248335b964f734793bbd10a0cf32462f955d531920cc747f7816fbb93333c0f
- SSDEEP
  
  12288:5dtnqYk9TmLe+TBshw02+xodZ2iSjD5cdrLbVrBpFpQcBJBgqZDE0OF:5d1qYESNTBI1xoPrPVrBpFpDXgqZi
Score

9^/10

defense_evasion discovery evasion persistence ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Drops file in Drivers directory
- Enables test signing to bypass driver trust controls
  Allows any signed driver to load without validation against a trusted certificate authority.
  defense_evasion
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Subvert Trust Controls

Code Signing Policy Modification

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

defense_evasiondiscoveryevasionpersistenceransomware

behavioral2