Overview

overview

10

Static

static

Contract D...ts.exe

windows7_x64

10

Contract D...ts.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    7077dc6b11200f419f78a5768af01a0134dbb398c70e373ddd5e5ba5f583472b

  • Size

    263KB

  • Sample

    220521-bsz44acdf6

  • MD5

    6195861513dc74e72eac71d6a0b83887

  • SHA1

    02e5a65bb71f73ff5a045f270248e10531784704

  • SHA256

    7077dc6b11200f419f78a5768af01a0134dbb398c70e373ddd5e5ba5f583472b

  • SHA512

    b2d8864303c1162a3883f0060c764e99fdf8e2cba4d730d8c83f48c645ef6cdeca939ab040c09f1b8d4b4ba508260fbb81796ea94782a1b133cbf016bb0547a3

Score
10/10
formbooknflcoreentitypersistenceratrezer0spywarestealersuricatatrojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

nfl

Decoy

giacamp.net

qb51.party

mashalevine.com

russiasexdating.com

jitangyy.com

morockin.com

karoreiss.com

tractionhero.today

bienvenueenprovence.net

stormharbour.info

61999h.com

tryandcert.com

bestwaytosuccess.com

laobaochang.com

otomatiktente.com

rehpb.info

ivpdqb.info

dc-wv-wv-ie-q.com

goingmagic.com

cimachain.com

Targets

    • Target

      Contract Documents.exe

    • Size

      344KB

    • MD5

      376d7e1871d7d432b255403e399e6334

    • SHA1

      a2a852627172066b3fbd344abdb3aa985ec35b47

    • SHA256

      6348a886a9796d2fa05cd1792d8299c1a3a66e016b04a115e34c47d49415714d

    • SHA512

      2bd6de7794a465193331a590145c5422ba6ec607b4ec4b98662302e8d7763d41971ee5e84c92052f056a1b8b0584461d99db7cf81b457df08f6d7ef2d5e8436b

    Score
    10/10
    formbooknflcoreentityratrezer0spywarestealertrojanpersistencesuricata

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • Formbook

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

      trojanspywarestealerformbook

    • 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

    • Formbook Payload

      rat

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

      rezer0

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
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