Overview

overview

10

Static

static

558ced74df...e16.js

windows7_x64

10

558ced74df...e16.js

windows10-2004_x64

10

Sharing

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General

  • Target

    558ced74df141e2e8f4a340edccd5e16.js.vir

  • Size

    197KB

  • Sample

    220703-er7z4aegbq

  • MD5

    308d7ff7f284eed50cb29aedc8f3bb48

  • SHA1

    3cf054753beb7c857c198b5def3804e29f3426ff

  • SHA256

    380afcca7c0cfc3e015be647a0b46fa4a2b56a213d8428db3a6503a737b2a0f9

  • SHA512

    c393d34572c134d6ad6bb7b90598d04275f08f00b51d6acd2d4709df2460fe67ea347e4cd0baf8134cac9d776721f627601ea8ca9599147965220435cabac0be

Score
10/10
asyncratdefaultpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

franmhort.duia.ro:8153

Mutex

Mutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    win.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      558ced74df141e2e8f4a340edccd5e16.js.vir

    • Size

      197KB

    • MD5

      308d7ff7f284eed50cb29aedc8f3bb48

    • SHA1

      3cf054753beb7c857c198b5def3804e29f3426ff

    • SHA256

      380afcca7c0cfc3e015be647a0b46fa4a2b56a213d8428db3a6503a737b2a0f9

    • SHA512

      c393d34572c134d6ad6bb7b90598d04275f08f00b51d6acd2d4709df2460fe67ea347e4cd0baf8134cac9d776721f627601ea8ca9599147965220435cabac0be

    Score
    10/10
    asyncratdefaultpersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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