Overview

overview

10

Static

static

PO_018251-269371.js

windows7_x64

10

PO_018251-269371.js

windows10-2004_x64

10

Sharing

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General

  • Target

    PO_018251-269371.js

  • Size

    482KB

  • Sample

    220629-tkm4nsceh2

  • MD5

    e9a38a70702783f7160cfbaf85089391

  • SHA1

    ea994618cf79f854521b6788adb284f158389e97

  • SHA256

    f1a125a2e514fa0cb40fb74917070137359f881fdd09b402eb9130d0d408a126

  • SHA512

    3c9f8c8fa3413d216efaf2632c66b34328c7eff357a3276a8ecdd532cb3e282fe3cd925ab1366c7ec15eefc87a05402c78d084181507ed04496eb4cbe55e1e78

Score
10/10
asyncratformbookxloaderdefaultvs8gloaderpersistenceratspywarestealersuricatatrojan

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

Extracted

Family

xloader

Version

2.9

Campaign

vs8g

Decoy

xEVEsySadSMf8UUC

H8ZbYtGKWPCfp91+uS3TFo/F7tYacwDqHw==

L/St5UjIhTMzEHsb

8h8tDvq0nl8JCWoagxa0MVyvnA==

7bml44z9jZsZx8Co2T8=

EwH88ZtcOu8ehs2P2o6wv78FEe4+xRQ=

bTn3LpE1HfpPAXI=

nYxT+9GLhS1d3zzGJuTDlgpT

HxonIwh8TesenMCo2T8=

Ki83MiehhC9e1i7YQ/Wd32JsGcun

wHcUByFRMuEGh8Co2T8=

86tqpg/Jy60eFmMRPefDlgpT

grSUYa5yahUf8UUC

HVviVsk7Cb6Elc571pnSWCJ93G17PkiI

6LJ1qBPUtGNIl8Co2T8=

AYuWD33xt44VxsCo2T8=

/smXvLMh868VzQqs99/DlgpT

1kEMNVtaMw6KmN+YANYm+kA=

daarti3nbFVKnsCo2T8=

0EJM6cFFHvawA2U=

Targets

    • Target

      PO_018251-269371.js

    • Size

      482KB

    • MD5

      e9a38a70702783f7160cfbaf85089391

    • SHA1

      ea994618cf79f854521b6788adb284f158389e97

    • SHA256

      f1a125a2e514fa0cb40fb74917070137359f881fdd09b402eb9130d0d408a126

    • SHA512

      3c9f8c8fa3413d216efaf2632c66b34328c7eff357a3276a8ecdd532cb3e282fe3cd925ab1366c7ec15eefc87a05402c78d084181507ed04496eb4cbe55e1e78

    Score
    10/10
    asyncratxloaderdefaultvs8gloaderpersistenceratsuricataformbookspywarestealertrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Formbook

      Formbook is a data stealing malware which is capable of stealing data.

      trojanspywarestealerformbook

    • Xloader

      Xloader is a rebranded version of Formbook malware.

      loaderxloader

    • suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata: ET MALWARE FormBook CnC Checkin (GET)

      suricata

    • suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata: ET MALWARE FormBook CnC Checkin (POST) M2

      suricata

    • suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata: ET MALWARE Generic AsyncRAT Style SSL Cert

      suricata

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata

    • Async RAT payload

      rat

    • Xloader Payload

      rat

    • Adds policy Run key to start application

      persistence

    • 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

    • 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

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
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