Overview

overview

10

Static

static

PO_20230025-3668.js

windows7_x64

10

PO_20230025-3668.js

windows10-2004_x64

10

Sharing

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General

  • Target

    PO_20230025-3668.js

  • Size

    323KB

  • Sample

    220627-j55jcabfh8

  • MD5

    db8dbe0b33d17df3e15778abc850128a

  • SHA1

    30f6c70af79e7ab4ab07c92ce3220215e13ba99f

  • SHA256

    1647bc6d0a8d2b78d577c1243d0b4b92e10ff8694c302dc35e6743760ea59579

  • SHA512

    8e927d4142e20e0419a49b5e3dacdb6beba966c9d71b2283b0d62c191de2038d481a83af79de65225cdf4062bd10c67b790ad6c3cc54bd4af213b5507b28c0de

Score
10/10
formbookvjw0rmxloadervs8gloaderpersistenceratspywarestealersuricatatrojanworm

Malware Config

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_20230025-3668.js

    • Size

      323KB

    • MD5

      db8dbe0b33d17df3e15778abc850128a

    • SHA1

      30f6c70af79e7ab4ab07c92ce3220215e13ba99f

    • SHA256

      1647bc6d0a8d2b78d577c1243d0b4b92e10ff8694c302dc35e6743760ea59579

    • SHA512

      8e927d4142e20e0419a49b5e3dacdb6beba966c9d71b2283b0d62c191de2038d481a83af79de65225cdf4062bd10c67b790ad6c3cc54bd4af213b5507b28c0de

    Score
    10/10
    formbookvjw0rmxloadervs8gloaderpersistenceratspywarestealersuricatatrojanworm

    • Formbook

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

      trojanspywarestealerformbook

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

      trojanwormvjw0rm

    • 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

    • Xloader Payload

      rat

    • Adds policy Run key to start application

      persistence

    • 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

    • 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

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

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