a687037b01da43688a176f953776e958f40f7525d70ca4e782e14161f3c33411 | Triage

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General

Target

a687037b01da43688a176f953776e958f40f7525d70ca4e782e14161f3c33411N
Size

422KB
Sample

241010-psb9xs1epr
MD5

b2005383655615ae4918b5b20539e330
SHA1

1eb38e33db5649a17f7c7d5831238c1e89c210b4
SHA256

a687037b01da43688a176f953776e958f40f7525d70ca4e782e14161f3c33411
SHA512

754f949a290b7d90f302b19c980554e6686fa083534ab81dfddebae162413c52d4c10f5b6b64ec92ae8b786a90c6c1995713f6397605371166f32f16d8bc5ee2
SSDEEP

6144:MTqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbF:RhDdkybr/J2tx2VeFusZXQJhkeFhbbB

Score

10^/10

defense_evasion discovery evasion execution impact persistence ransomware

Malware Config

Targets

- Target
  
  a687037b01da43688a176f953776e958f40f7525d70ca4e782e14161f3c33411N
- Size
  
  422KB
- MD5
  
  b2005383655615ae4918b5b20539e330
- SHA1
  
  1eb38e33db5649a17f7c7d5831238c1e89c210b4
- SHA256
  
  a687037b01da43688a176f953776e958f40f7525d70ca4e782e14161f3c33411
- SHA512
  
  754f949a290b7d90f302b19c980554e6686fa083534ab81dfddebae162413c52d4c10f5b6b64ec92ae8b786a90c6c1995713f6397605371166f32f16d8bc5ee2
- SSDEEP
  
  6144:MTqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbF:RhDdkybr/J2tx2VeFusZXQJhkeFhbbB
Score

10^/10

defense_evasion discovery evasion execution impact persistence ransomware
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (196) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Deletes System State backups
  Uses wbadmin.exe to inhibit system recovery.
  ransomware
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

Windows Management Instrumentation

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

Direct Volume Access

Indicator Removal

File Deletion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

defense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

behavioral2

defense_evasiondiscoveryevasionexecutionimpactpersistenceransomware