Overview

overview

10

Static

static

10

svchost.exe

windows7-x64

10

svchost.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    svchost.exe

  • Size

    479KB

  • Sample

    220719-r3514aefe7

  • MD5

    4c6b01344809054252095695fe24aa5f

  • SHA1

    d1571b19723ebb0def5a71b7d977ef4c5bdb66ab

  • SHA256

    b20bdd03ad605edafccbed9cbf281d1fd370116dd07e335fc2f428e9efb2863b

  • SHA512

    a26600e8233e90034a3a731246bdc634bc30478ea995c37317ef2e8139200f09446c4b78b500ffec5d7a84045790d0e80d20e4ba58cf28f0e4358f80e1db3af0

Score
10/10
asyncratneshtadefaultpersistenceratspywarestealer

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

secureyourdataarea1.duckdns.org:56390

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      svchost.exe

    • Size

      479KB

    • MD5

      4c6b01344809054252095695fe24aa5f

    • SHA1

      d1571b19723ebb0def5a71b7d977ef4c5bdb66ab

    • SHA256

      b20bdd03ad605edafccbed9cbf281d1fd370116dd07e335fc2f428e9efb2863b

    • SHA512

      a26600e8233e90034a3a731246bdc634bc30478ea995c37317ef2e8139200f09446c4b78b500ffec5d7a84045790d0e80d20e4ba58cf28f0e4358f80e1db3af0

    Score
    10/10
    asyncratneshtadefaultpersistenceratspywarestealer

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Modifies system executable filetype association

      persistence

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Async RAT payload

      rat

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1
T1042

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