Overview

overview

10

Static

static

vbc.exe

windows7_x64

10

vbc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    vbc.exe

  • Size

    757KB

  • Sample

    220623-sjfgrsgdd3

  • MD5

    1f65d7826fbcc2d6c50f6c493c901588

  • SHA1

    4290f6b300595e807e8cacd5ff172b0a0f37c845

  • SHA256

    d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e

  • SHA512

    e3c15d0229433441300b4e129748c10e966de22c926d641b665a91caf7c371a390004abc24d953a80887be4a791514e1670cb0e8723d6a19ffa5210cd9124f5a

Score
10/10
formbookxloaderv4qploaderpersistenceratspywarestealersuricatatrojan

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

v4qp

Decoy

je1XQKU1LfJPVLk=

nvf41a7FsTLs6uB/g+CR

U7mryF6DctZn6GEjr9Bm4g==

1SONGrPdh7wGEOXp3g==

2xX859r7qOFq7GYkr9Bm4g==

IYtzVUx0Oo0HmZawLQAARDvBf4dL

NH3iuBPNSzZTvpw/4KaG

rDehfiqIPbdMBS8G1g==

xhb2uJ0eBwo7k3djqxh60xoNt4VoeQ==

AFtKux3JgPGRkx3xUsciR6piSg==

m+3VoJadWcBvOAPpzKUNPoAxyplS

1DWKULdka3mxIKhEqGxQr7gxyplS

DGlFGBqWi5CtrCX9alyTuPzq

muvVM4slyTfxORwAZisVksCM78aSEVo=

D3biNgUbyg9E5pl+

/+1QLPssvl/Xxg==

I4lzTjaAcc1iBS8G1g==

wSwc4MmbShojhlZCrniTuPzq

jN5YO6ZXSfJPVLk=

4TUS4+ANuqHCRTM9sniTuPzq

Targets

    • Target

      vbc.exe

    • Size

      757KB

    • MD5

      1f65d7826fbcc2d6c50f6c493c901588

    • SHA1

      4290f6b300595e807e8cacd5ff172b0a0f37c845

    • SHA256

      d0c85ba5e6d88e1e0b5f068f125829b4e224b90be2488f2c21317447dc51fb9e

    • SHA512

      e3c15d0229433441300b4e129748c10e966de22c926d641b665a91caf7c371a390004abc24d953a80887be4a791514e1670cb0e8723d6a19ffa5210cd9124f5a

    Score
    10/10
    xloaderv4qploaderpersistenceratspywarestealersuricataformbooktrojan

    • 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

    • 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.

    • Deletes itself

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks