ouroboros | d83723f572e06c97ba7b1d51ca8c63b95d633cef13c426abdb2d4782b36ab339 | Triage

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Overview

overview

Static

static

5

HEUR-Troja...0cc.7z

windows10-2004-x64

Sharing

General

Target

HEUR-Trojan-Ransom.Win32.Generic-150200c3b5cd1afd87110cc2ce0002bc3bb1590cf91bbc17e2ade2824e38d0cc.7z
Size

1.3MB
Sample

250315-vtpjjaywbv
MD5

98e7aa73bc953854d53454484e26ca0c
SHA1

2e842b7293158af9b62c8a8f8200ac2113a57601
SHA256

d83723f572e06c97ba7b1d51ca8c63b95d633cef13c426abdb2d4782b36ab339
SHA512

7c62887161b8921c14c928b1ccad3a76d785c827b45143e708d50fe74e6bbe0bf01f3ac162a3261b3272f1bd9c5a4ae8adb0b50e8877a61e4601aa123efbb958
SSDEEP

24576:FkGHJ+rZRWGcmOoyOk7fhQQfugQbhtTynAJXCvPBBLGwCv2mIJOHc03uKKYCtLqV:FtHJAQvmryZ7fhlabyLnBBLiv2mIJ8c4

Score

10^/10

ouroboros defense_evasion discovery persistence privilege_escalation ransomware upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

HEUR-Trojan-Ransom.Win32.Generic-150200c3b5cd1afd87110cc2ce0002bc3bb1590cf91bbc17e2ade2824e38d0cc.7z

Resource

win10v2004-20250314-en

ouroboros defense_evasion discovery persistence privilege_escalation ransomware upx

windows10-2004-x64

19 signatures

120 seconds

Malware Config

Targets

- Target
  
  HEUR-Trojan-Ransom.Win32.Generic-150200c3b5cd1afd87110cc2ce0002bc3bb1590cf91bbc17e2ade2824e38d0cc.7z
- Size
  
  1.3MB
- MD5
  
  98e7aa73bc953854d53454484e26ca0c
- SHA1
  
  2e842b7293158af9b62c8a8f8200ac2113a57601
- SHA256
  
  d83723f572e06c97ba7b1d51ca8c63b95d633cef13c426abdb2d4782b36ab339
- SHA512
  
  7c62887161b8921c14c928b1ccad3a76d785c827b45143e708d50fe74e6bbe0bf01f3ac162a3261b3272f1bd9c5a4ae8adb0b50e8877a61e4601aa123efbb958
- SSDEEP
  
  24576:FkGHJ+rZRWGcmOoyOk7fhQQfugQbhtTynAJXCvPBBLGwCv2mIJOHc03uKKYCtLqV:FtHJAQvmryZ7fhlabyLnBBLiv2mIJ8c4
Score

10^/10

ouroboros defense_evasion discovery persistence privilege_escalation ransomware upx
- Ouroboros family
  ouroboros
- Ouroboros/Zeropadypt
  Ransomware family based on open-source CryptoWire.
  ransomware ouroboros
- Modifies Windows Firewall
  defense_evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Drops desktop.ini file(s)
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

Windows Service

Event Triggered Execution

Netsh Helper DLL

Privilege Escalation

Create or Modify System Process

Windows Service

Event Triggered Execution

Netsh Helper DLL

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

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

Tasks

static1

behavioral1

ouroborosdefense_evasiondiscoverypersistenceprivilege_escalationransomwareupx

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