Overview

overview

10

Static

static

3

13af5dce27...b0.exe

windows7-x64

6

13af5dce27...b0.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    13af5dce278866f04c1b7c929b97010c9b057ca7201cde2c983a6a12c196dcb0.exe
  • Size 3.5MB
  • Sample240727-bfpslazckf
  • SHA256 13af5dce278866f04c1b7c929b97010c9b057ca7201cde2c983a6a12c196dcb0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefense_evasiondiscoveryevasionpersistenceprivilege_escalationrat

Malware Config

Targets

    • Target
      13af5dce278866f04c1b7c929b97010c9b057ca7201cde2c983a6a12c196dcb0.exe
    • Size 3.5MB
    • SHA256 13af5dce278866f04c1b7c929b97010c9b057ca7201cde2c983a6a12c196dcb0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoveryasyncratdefense_evasionevasionpersistenceprivilege_escalationrat

    • AsyncRat

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

      ratasyncrat

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Enumerates connected drives

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

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

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

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks