Overview

overview

8

Static

static

1

aaaa_obfuscated.bat

windows10-ltsc_2021-x64

8

Sharing

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General

  • Target
    aaaa_obfuscated.bat
  • Size 2KB
  • Sample260624-d6hs3sh13k
  • SHA256 f97da656f320ff788deb63b322b83e365d0905cffa0b308dd7c7190008754364
  • MD5 SHA1 SHA512 TLSH
Score
8/10
defense_evasiondiscoveryexecutionpersistenceransomware

Malware Config

Targets

    • Target
      aaaa_obfuscated.bat
    • Size 2KB
    • SHA256 f97da656f320ff788deb63b322b83e365d0905cffa0b308dd7c7190008754364
    • MD5 SHA1 SHA512 TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistenceransomware

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

      defense_evasionexecution

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

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

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

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

6
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Service Stop

1
T1489

Tasks