cryptolocker | 8b78d1071a5c9add21685f9607f42010ef8c04fd4a789a45fe8678fde6ab1d24 | Triage

Sharing

General

Target

BlockTheSpot.bat
Size

265B
Sample

240902-ccxvgayckj
MD5

d2a6bb7593c8c2c054a65c6d2167197a
SHA1

721bc41054dfbdac908e11881e5c1885002a8183
SHA256

8b78d1071a5c9add21685f9607f42010ef8c04fd4a789a45fe8678fde6ab1d24
SHA512

48fbc3ef45ec6b1fe3fd6a6d832739308bcf84c4bd7fa83b7295e054a29dda15cc0b70d93ef43906c3c9fb4194e66eab02eb8863d2a1a5646c18d7b3a52984ca

Score

10^/10

cryptolocker discovery execution persistence ransomware

Malware Config

Targets

- Target
  
  BlockTheSpot.bat
- Size
  
  265B
- MD5
  
  d2a6bb7593c8c2c054a65c6d2167197a
- SHA1
  
  721bc41054dfbdac908e11881e5c1885002a8183
- SHA256
  
  8b78d1071a5c9add21685f9607f42010ef8c04fd4a789a45fe8678fde6ab1d24
- SHA512
  
  48fbc3ef45ec6b1fe3fd6a6d832739308bcf84c4bd7fa83b7295e054a29dda15cc0b70d93ef43906c3c9fb4194e66eab02eb8863d2a1a5646c18d7b3a52984ca
Score

10^/10

cryptolocker discovery execution persistence ransomware
- CryptoLocker
  Ransomware family with multiple variants.
  ransomware cryptolocker
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Powershell Invoke Web Request.
  execution
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

PowerShell

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

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

behavioral1

cryptolockerdiscoveryexecutionpersistenceransomware

behavioral2