Overview

overview

10

Static

static

Re-2181718.exe

windows7_x64

10

Re-2181718.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Re-2181718.exe

  • Size

    172KB

  • Sample

    220630-pdqtrsahhm

  • MD5

    be2d1ca01da2a323960e94dcae0d4696

  • SHA1

    a0a404c6ef2dcb77f65ddf072402eeeecdd1dc2e

  • SHA256

    f1ff4fbaa6991440428ea8b228268b6ba82595aa8cdbcf2e7bb8a69835753b31

  • SHA512

    883cb35116de50ee923fb5101aa1a6b3dea61897d96a73a51e1bc351dc7181f116dc1e290bf86946300b8998f53e106a064b73e1ebf3f503e1e5e65e2a5ed27c

Score
10/10
asyncratblustealerdefaultpersistenceratspywarestealersuricata

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    t.liaen@yandex.com
  • Password:
    @vZe#$#28990

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1111

62.197.136.167:6606

62.197.136.167:7707

62.197.136.167:8808

62.197.136.167:1111
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Re-2181718.exe

    • Size

      172KB

    • MD5

      be2d1ca01da2a323960e94dcae0d4696

    • SHA1

      a0a404c6ef2dcb77f65ddf072402eeeecdd1dc2e

    • SHA256

      f1ff4fbaa6991440428ea8b228268b6ba82595aa8cdbcf2e7bb8a69835753b31

    • SHA512

      883cb35116de50ee923fb5101aa1a6b3dea61897d96a73a51e1bc351dc7181f116dc1e290bf86946300b8998f53e106a064b73e1ebf3f503e1e5e65e2a5ed27c

    Score
    10/10
    asyncratblustealerdefaultpersistenceratspywarestealersuricata

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • BluStealer

      A Modular information stealer written in Visual Basic.

      stealerblustealer

    • suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks