5d91e845ee3f9446a24ca36ad0e215c44164492efd2fb0e5d8eb423645a8968b | Triage

Sharing

General

Target

989fe32c814a09a49cbb56443de5d1d7_JaffaCakes118
Size

684KB
Sample

240815-c5ymgawajk
MD5

989fe32c814a09a49cbb56443de5d1d7
SHA1

ccdf0e1e4365395016533cf162a2e434879dd943
SHA256

5d91e845ee3f9446a24ca36ad0e215c44164492efd2fb0e5d8eb423645a8968b
SHA512

921c281be5dfe1c4d35e39779b9321ed913ad3c1f49c909e7acfd39601bb3625f810790f0f088eb6f8b40b895a05c02b792b295608ca3239c7fd7c1b0950d8ca
SSDEEP

12288:C6HgI0cchRB19jEfo3DPtITbL4kEJXqQUDVGMUIA:CB1Dl6o3D1IXXEJaXVGY

Score

9^/10

defense_evasion discovery evasion persistence ransomware

Malware Config

Targets

- Target
  
  989fe32c814a09a49cbb56443de5d1d7_JaffaCakes118
- Size
  
  684KB
- MD5
  
  989fe32c814a09a49cbb56443de5d1d7
- SHA1
  
  ccdf0e1e4365395016533cf162a2e434879dd943
- SHA256
  
  5d91e845ee3f9446a24ca36ad0e215c44164492efd2fb0e5d8eb423645a8968b
- SHA512
  
  921c281be5dfe1c4d35e39779b9321ed913ad3c1f49c909e7acfd39601bb3625f810790f0f088eb6f8b40b895a05c02b792b295608ca3239c7fd7c1b0950d8ca
- SSDEEP
  
  12288:C6HgI0cchRB19jEfo3DPtITbL4kEJXqQUDVGMUIA:CB1Dl6o3D1IXXEJaXVGY
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

defense_evasiondiscoveryevasionpersistenceransomware