53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3 | Triage

Sharing

General

Target

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3
Size

197KB
Sample

221128-g1q42sbg29
MD5

f66262f719ffdae875e374477a46d834
SHA1

dca006b0432b6b03308834899ab8f1ec485f054f
SHA256

53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3
SHA512

fe09cd190acc407f6565844dfe31c1b320e39cd7a61e10b28733927f505a937090dc137b6edab597e664c48e2392049326c78bbc037b621acd3dcee70f20e139
SSDEEP

6144:HVDkWoLQkZy6RSs9ASTLlZQeqXnbl/kdQP6:Hpstyun9HTLXQeqXZ/kdQP6

Score

9^/10

persistence ransomware

Malware Config

Targets

- Target
  
  53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3
- Size
  
  197KB
- MD5
  
  f66262f719ffdae875e374477a46d834
- SHA1
  
  dca006b0432b6b03308834899ab8f1ec485f054f
- SHA256
  
  53ff37b0fbffa0c2656f09f8ea90322158e40b3c5318dd670eef3ac9d72b9fb3
- SHA512
  
  fe09cd190acc407f6565844dfe31c1b320e39cd7a61e10b28733927f505a937090dc137b6edab597e664c48e2392049326c78bbc037b621acd3dcee70f20e139
- SSDEEP
  
  6144:HVDkWoLQkZy6RSs9ASTLlZQeqXnbl/kdQP6:Hpstyun9HTLXQeqXZ/kdQP6
Score

9^/10

persistence ransomware
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Drops startup file
- Adds Run key to start application
  persistence
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

persistenceransomware

behavioral2