Overview

overview

10

Static

static

SecuriteIn...11.exe

windows7-x64

8

SecuriteIn...11.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    SecuriteInfo.com.Variant.Marsilia.2083.7256.16511.exe

  • Size

    6KB

  • Sample

    221217-lnrl9sbd4y

  • MD5

    15b3b3645fee0733a659ef1b014abfc8

  • SHA1

    fc93b58d612838b82e0935768165ec8417118dc6

  • SHA256

    1114865b74ade384252ae949c4cc358114115915a12b642bdbab297f52864191

  • SHA512

    4e661d5032f40f967787743caa761e12cbb67eee822359c20a0f1bf0cf1ca57a136a0b5054802e168565dcf779c9b308174cb90d4daa873c7e7331334b3a3ebf

  • SSDEEP

    96:to79BlVCFWZJnNp5Nv8l/5k7Kxd3ojarl:t+9BKFW3Np5d8l/5pxd7

Score
10/10
asyncratdefendersmartscrenrat

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.2083.7256.16511.exe

    • Size

      6KB

    • MD5

      15b3b3645fee0733a659ef1b014abfc8

    • SHA1

      fc93b58d612838b82e0935768165ec8417118dc6

    • SHA256

      1114865b74ade384252ae949c4cc358114115915a12b642bdbab297f52864191

    • SHA512

      4e661d5032f40f967787743caa761e12cbb67eee822359c20a0f1bf0cf1ca57a136a0b5054802e168565dcf779c9b308174cb90d4daa873c7e7331334b3a3ebf

    • SSDEEP

      96:to79BlVCFWZJnNp5Nv8l/5k7Kxd3ojarl:t+9BKFW3Np5d8l/5pxd7

    Score
    10/10
    asyncratdefendersmartscrenrat

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks