Analysis

  • max time kernel
    123s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-10-2021 11:18

General

  • Target

    Notificação_de_transferência_efetuada-Santander.exe

  • Size

    660KB

  • MD5

    efb464ece5f5aa332a60d241aa93a74f

  • SHA1

    1b07ef42b7d91b71600f7512e6eb7248510b2330

  • SHA256

    7384a61fc69ce24610f7c4658c2ef8786c4cdc5d6ad6b33d1a9f506d6b6388d3

  • SHA512

    86c4b630151a648ed004e543996eba2d9a54dfb14de71b1f38f2e4fe4881c4e2a8b7e2c7f6c52876d8f3eb4406b0c12c349861e024de40568306b3505bd3ef82

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ons6

C2

http://www.parasitevhs.net/ons6/

Decoy

946acc.net

ilkermulla.com

edificationhub.com

aptbaby.com

luisrgonzalez.com

postandpine.com

objective-object.com

storeydrive.rentals

mobile-find.com

africanbridaluk.com

zzjn12.xyz

ritechoiceinvestmentgroup.com

zitzies.xyz

trulyproofreading.com

ktndetermine.xyz

advertising.land

keywordgomuwk.xyz

niecliomusicspirit.com

lhortelecom.com

cryptochieftan.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Notificação_de_transferência_efetuada-Santander.exe
    "C:\Users\Admin\AppData\Local\Temp\Notificação_de_transferência_efetuada-Santander.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\Notificação_de_transferência_efetuada-Santander.exe
      "C:\Users\Admin\AppData\Local\Temp\Notificação_de_transferência_efetuada-Santander.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1712

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsi16FB.tmp\rzvd.dll
    MD5

    d255169c5e130e0104b01f2ceb04c885

    SHA1

    e9a0bf4c711f63829fb077b75b57a14b6bdda4bc

    SHA256

    66c07a5eb743d77deff8b16a8cbcc1be0795df5197874f23fd440fbf0cae38a8

    SHA512

    15f54c5f3de381c4b935886bd120d1e4ab609109015b6b49b842aa34b465467706ac79e0b8ad0961046e841e8e352df2a12b70653c960115e6ff92c4b282605e

  • memory/1276-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
    Filesize

    8KB

  • memory/1712-62-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1712-63-0x000000000041D400-mapping.dmp
  • memory/1712-64-0x00000000008E0000-0x0000000000BE3000-memory.dmp
    Filesize

    3.0MB