Overview

overview

6

Static

static

1

YACReader-...t6.exe

windows10-2004-x64

6

YACReader-...t6.exe

windows11-ltsc_2024-x64

6

Sharing

Copy URL Twitter E-mail

General

  • Target
    YACReader-v10.2.0.260808325-winx64-7z-qt6.exe
  • Size 58.0MB
  • Sample260819-2wssasbk2y
  • SHA256 d8a248280a72245e9a6cdb53b1d2847ebf0cdc8e59b445ccf6eb63ac157a08cb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
defense_evasiondiscoveryinstallerpersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      YACReader-v10.2.0.260808325-winx64-7z-qt6.exe
    • Size 58.0MB
    • SHA256 d8a248280a72245e9a6cdb53b1d2847ebf0cdc8e59b445ccf6eb63ac157a08cb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    defense_evasiondiscoveryinstallerpersistenceprivilege_escalationransomware

    • Adds Run key to start application

      persistence

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks