Overview

overview

10

Static

static

1

dropper.bat

windows7-x64

3

dropper.bat

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    dropper.bat

  • Size

    3KB

  • Sample

    240619-zn6m3swakk

  • MD5

    4600ab8e47ca6e658c24ee92206caa46

  • SHA1

    614a7093ed564f6c8f4ff400d1b2cd977b1268d1

  • SHA256

    b9f8e6b30332e4d7bf3be0f5371e5f1fe6c11cc382b488b9938c4fe4d6f017cb

  • SHA512

    b6c8c93f531149749029e8ceaeb6ef21f830959f1158e47927debbf8cde83be6c390ab962eaa882eda209590c9f6e1ef0f873f924140d7c5e01f2158a2701661

Score
10/10
asyncratdefense_evasionexecutionpersistenceprivilege_escalationrat

Malware Config

Targets

    • Target

      dropper.bat

    • Size

      3KB

    • MD5

      4600ab8e47ca6e658c24ee92206caa46

    • SHA1

      614a7093ed564f6c8f4ff400d1b2cd977b1268d1

    • SHA256

      b9f8e6b30332e4d7bf3be0f5371e5f1fe6c11cc382b488b9938c4fe4d6f017cb

    • SHA512

      b6c8c93f531149749029e8ceaeb6ef21f830959f1158e47927debbf8cde83be6c390ab962eaa882eda209590c9f6e1ef0f873f924140d7c5e01f2158a2701661

    Score
    10/10
    defense_evasionexecutionprivilege_escalationasyncratpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

      rat

    • Downloads MZ/PE file

    • Sets service image path in registry

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Credential Access

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks