Overview

overview

10

Static

static

WindowShel...ce.exe

windows7-x64

8

WindowShel...ce.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    WindowShellExperince.exe

  • Size

    6KB

  • Sample

    221111-htr87saba2

  • MD5

    c45730a39a78c6754c78471e820bff88

  • SHA1

    725c3fd0a7afbacd85bb86535e00152d6cb4998d

  • SHA256

    11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d

  • SHA512

    35e5bfc810b76feddae33af90d3ee247c4148dd5e2076d7cb113859b9a45c5fdc6046bfe6305a9f2a908c9bff2db1a9e7062163703bba4d3217793289751c158

  • SSDEEP

    96:1QP5v79dkCFmYKk0UqUMYl+8t/Os7RMkmqXld3ojrrl:+5T9dPFxMUqULk8t/OS28ldS

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

      WindowShellExperince.exe

    • Size

      6KB

    • MD5

      c45730a39a78c6754c78471e820bff88

    • SHA1

      725c3fd0a7afbacd85bb86535e00152d6cb4998d

    • SHA256

      11ec30aa3578d705303b3626615a9abdc9e876ccafdac76d1149680cb85d8e6d

    • SHA512

      35e5bfc810b76feddae33af90d3ee247c4148dd5e2076d7cb113859b9a45c5fdc6046bfe6305a9f2a908c9bff2db1a9e7062163703bba4d3217793289751c158

    • SSDEEP

      96:1QP5v79dkCFmYKk0UqUMYl+8t/Os7RMkmqXld3ojrrl:+5T9dPFxMUqULk8t/OS28ldS

    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