Overview

overview

10

Static

static

1

53f32eb1e2...2c.xls

windows7-x64

10

53f32eb1e2...2c.xls

windows10-2004-x64

1

Sharing

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General

  • Target

    625c489b71a4a7b7dc61dc3121368f02.bin

  • Size

    912KB

  • Sample

    230331-bttnpsgb56

  • MD5

    c36feba16c5a113237c90899cab99419

  • SHA1

    aafd0452faf74ef7e634a24fb297df053a13aa64

  • SHA256

    dfb75215e1d8a58d0daa685abba7dd08a979e2a86944b01bbac06e32bb905e29

  • SHA512

    8d548209de3ef6b55d6f2bb2e24be4ca84fe134b8275eb746b87b746b5bf57a14e35afe30cd48f128d62b189d267f866b603f92ae9db3fb4917f2f9e12acb3ea

  • SSDEEP

    24576:iBeUOiiKRCa8JBERkJrTrcRSD9hqf0oVkIjIBMND:iB4aWi2JDJBkVVEBMND

Score
10/10
formbookpurecrypterar73downloaderloaderratspywarestealertrojan

Malware Config

Extracted

Family

purecrypter

C2

http://192.3.215.60/uo7/Cbqta.png

Extracted

Family

formbook

Version

4.1

Campaign

ar73

Decoy

classgorilla.com

b6817.com

1wwuwa.top

dgslimited.africa

deepwaterships.com

hkshshoptw.shop

hurricanevalleyatvjamboree.com

ckpconsulting.com

laojiangmath.com

authenticityhacking.com

family-doctor-53205.com

investinstgeorgeut.com

lithoearthsolution.africa

quickhealcareltd.co.uk

delightkgrillw.top

freezeclosettoilet.com

coo1star.com

gemgamut.com

enrichednetworksolutions.com

betterbeeclean.com

Targets

    • Target

      53f32eb1e2023b9346427d2111b0e4ac33ff4592384a1f0dae3dd5fc90dc4b2c.xls

    • Size

      1.0MB

    • MD5

      625c489b71a4a7b7dc61dc3121368f02

    • SHA1

      a36ef17d7c854bd238b6113148b8ec11f54286d7

    • SHA256

      53f32eb1e2023b9346427d2111b0e4ac33ff4592384a1f0dae3dd5fc90dc4b2c

    • SHA512

      93a0dd13791b1ab3db705c6f74ea820c120a95ae041a6186474c16b19fe1c6d44d0b9ef7a816a47f71c82847b5f7941af88eb1b964dba513fc89c9eb800e2240

    • SSDEEP

      24576:lLKiSSMMednE8akAmmjmRakAmmjmw+MXUlHeA2222222222222222222222K2D0z:lLK2Mnaaoeaaoz+MX7TZVAw

    Score
    10/10
    formbookpurecrypterar73downloaderloaderratspywarestealertrojan

    • Formbook

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

      trojanspywarestealerformbook

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • Formbook payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Command-Line Interface

1
T1059

Exploitation for Client Execution

1
T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

4
T1082

Query Registry

3
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks