Overview

overview

10

Static

static

KBH-2092649118.js

windows7_x64

10

KBH-2092649118.js

windows10_x64

10

Sharing

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General

  • Target

    KBH-2092649118.js

  • Size

    409KB

  • Sample

    211208-s8r7vsheap

  • MD5

    b981d918dc8628b9c0a657f5e62c595f

  • SHA1

    e4c9f272e99b20201a440cf267d5645180531fd9

  • SHA256

    fd04d5a8a5e86c1666282015aa9496bc94da38c7a057745754afe6e4da2aef33

  • SHA512

    7869703c1a53ece58ecdce67d15b9af9e02a7cbb4cf6563c873c7635344a964144e59820247bb625da6c18ad8563812e186a0e3cb50d515a834fd17fbeec47eb

Score
10/10
vjw0rmxloaderpzi0loaderpersistenceratsuricatatrojanworm

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pzi0

C2

http://www.buffstaff.com/pzi0/

Decoy

laylmodest.com

woruke.club

metaverseslots.net

syscogent.net

aluxxenterprise.com

lm-solar.com

lightempirestore.com

witcheboutique.com

hometech-bosch.xyz

expert-netcad.com

poteconomist.com

mycousinsfriend.biz

shineveranda.com

collegedictionary.cloud

zqlidexx.com

businessesopportunity.com

2utalahs4.com

participatetn.info

dare2ownit.com

varser.com

Targets

    • Target

      KBH-2092649118.js

    • Size

      409KB

    • MD5

      b981d918dc8628b9c0a657f5e62c595f

    • SHA1

      e4c9f272e99b20201a440cf267d5645180531fd9

    • SHA256

      fd04d5a8a5e86c1666282015aa9496bc94da38c7a057745754afe6e4da2aef33

    • SHA512

      7869703c1a53ece58ecdce67d15b9af9e02a7cbb4cf6563c873c7635344a964144e59820247bb625da6c18ad8563812e186a0e3cb50d515a834fd17fbeec47eb

    Score
    10/10
    vjw0rmxloaderpzi0loaderpersistenceratsuricatatrojanworm

    • 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

    • Xloader Payload

      rat

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks