Overview

overview

10

Static

static

VQC612aN8kkRJe9.exe

windows7-x64

10

VQC612aN8kkRJe9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    VQC612aN8kkRJe9.zip

  • Size

    473KB

  • Sample

    220723-kmmfgsdcc9

  • MD5

    deda18bc7a9bbfe10fda60e06a1f2766

  • SHA1

    0f0fd001e47f399fc5dd91573731fbdf7e92a145

  • SHA256

    cc57daf94d2c4f0df02f52776881ca4ca73c5175484bc3b63ab7c661a6625878

  • SHA512

    e0fcf267bbade98b2146c360f744978a6b91759e850f56f52171c32c76a236a0e9f7fa8a7e3dba5ad268cf6cec35448c0dda6f3b7e812297964d688d462dcfd5

Score
10/10
formbookxloaderzzunloaderpersistenceratspywarestealersuricatatrojan

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

zzun

Decoy

JnNtRHyNupy0GqRzAcasu7hb4rc=

Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=

ePArIFWvjkkMgVEVhw4M4Jk=

26rqUwJ7dD0AiDI=

pBAxMHeK741QFw==

kHD7TPt5846pUMTX

56UnjFjHL1i0j659h3LymRnHpQj+SshC

4vKlKHflPqmWXRbrRwfPtrhb4rc=

6LBd4qButFAi

phMzGll8Ue7Fu+inq5cdnPaSugG3

NKswiQGCvZoG5FgsdHEI

rtTHnuUY8M1qVcXV

SOmECrlAt2oGAA==

L1ep9adutFAi

/UE+/AyvE6uEl28weFI=

IP+xMPQxJR4NE6TK

xvW5GN9/rqA5YUoOVt185Sf7Uw==

fRFNW9DhxL6VF7LA

KFYTfkaY741QFw==

W4JGvMBmt2oGAA==

Targets

    • Target

      VQC612aN8kkRJe9.exe

    • Size

      578KB

    • MD5

      2424734321f03e8048202f10ba707c29

    • SHA1

      e085ae7d3b35f036ebf49076869203a29d9db3c0

    • SHA256

      72fd8d816c54cacc80a7364d61fccfb6f4c2b9a88ed0cb9296e038b615731cfb

    • SHA512

      1208d8b231775575cfc360a16fe0d93bbe888253377ac350091d249b9041272f66bd32476c2db9931e4bd34e238a1bc656ad03fffc0480a1cb365ebd705a5b7d

    Score
    10/10
    xloaderzzunloaderratsuricataformbookpersistencespywarestealertrojan

    • 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

    • Blocklisted process makes network request

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

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