Overview

overview

10

Static

static

SecuriteIn...12.exe

windows7-x64

8

SecuriteIn...12.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    SecuriteInfo.com.Variant.Marsilia.2083.15410.7912.exe

  • Size

    6KB

  • Sample

    221217-lnrl9sbd5s

  • MD5

    44c6477f95ff2e5d5557a43733372112

  • SHA1

    469a2ff10ae58158e572ef7d97ebd8c1e9a8bc4e

  • SHA256

    098b84cb0dbd1709a85f1cbec17f7968e6e4da022808a231da7cab240e785d43

  • SHA512

    6ec088b14c1a1c899cda890625d9b80de14f5143ef6d48380795975557b31b0f871ad8a93d7bc2f14dca9157b898cb3303d0ba87df218cd6dac2c8297259fd01

  • SSDEEP

    96:zCV79ZJZCFWZhBIKt0Hwjvk+nzb9AYUwsLvk+nzbu8TLid3oj6url:z49ZJoFWZzuQjvk4zqYavk4z6cid9e

Score
10/10
asyncratdefendersmartscrenpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DefenderSmartScren

C2

217.64.31.3:8437

Mutex

DefenderSmartScren

Attributes
  • delay

    3

  • install

    false

  • install_file

    SecurityHealtheurvice.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      SecuriteInfo.com.Variant.Marsilia.2083.15410.7912.exe

    • Size

      6KB

    • MD5

      44c6477f95ff2e5d5557a43733372112

    • SHA1

      469a2ff10ae58158e572ef7d97ebd8c1e9a8bc4e

    • SHA256

      098b84cb0dbd1709a85f1cbec17f7968e6e4da022808a231da7cab240e785d43

    • SHA512

      6ec088b14c1a1c899cda890625d9b80de14f5143ef6d48380795975557b31b0f871ad8a93d7bc2f14dca9157b898cb3303d0ba87df218cd6dac2c8297259fd01

    • SSDEEP

      96:zCV79ZJZCFWZhBIKt0Hwjvk+nzb9AYUwsLvk+nzbu8TLid3oj6url:z49ZJoFWZzuQjvk4zqYavk4z6cid9e

    Score
    10/10
    asyncratdefendersmartscrenpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks