Overview

overview

10

Static

static

1.exe

windows7-x64

8

1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1.exe

  • Size

    5KB

  • Sample

    221226-zw52hsdg66

  • MD5

    0afa034595bdcf7b9b990b083910f7a5

  • SHA1

    9c9d01227016d43458c7567612a64f88df84c787

  • SHA256

    c6dd505d02069b6b0452f51c165db53fbb6b80b4b48de19c083ab22ef98b2158

  • SHA512

    4753057e45f2f03f9cab56f3b7864d2d3455f2549ebb7e6c9fcc8680f8a9e38568026e72694cebf288f3e63fc180b08e5d0fad0f3b1a74e5dc88612d4db6544a

  • SSDEEP

    96:RF79kEll3VI29zS6hENISXX8z/n3xuscvHd3ojbrl:79kE/332NISH8z/n3QXHd0

Score
10/10
asyncratsystem guard runtimepersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

System Guard Runtime

C2

85.105.88.221:2531

Mutex

System Guard Runtime

Attributes
  • delay

    3

  • install

    false

  • install_file

    System Guard Runtime

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      1.exe

    • Size

      5KB

    • MD5

      0afa034595bdcf7b9b990b083910f7a5

    • SHA1

      9c9d01227016d43458c7567612a64f88df84c787

    • SHA256

      c6dd505d02069b6b0452f51c165db53fbb6b80b4b48de19c083ab22ef98b2158

    • SHA512

      4753057e45f2f03f9cab56f3b7864d2d3455f2549ebb7e6c9fcc8680f8a9e38568026e72694cebf288f3e63fc180b08e5d0fad0f3b1a74e5dc88612d4db6544a

    • SSDEEP

      96:RF79kEll3VI29zS6hENISXX8z/n3xuscvHd3ojbrl:79kE/332NISH8z/n3QXHd0

    Score
    10/10
    asyncratsystem guard runtimepersistencerat

    • 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