Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    10-05-2022 06:04

General

  • Target

    vbc.exe

  • Size

    936KB

  • MD5

    15c6da72eb32ee1b8ea97d4320a39dff

  • SHA1

    0033e3c5bf6d98124f273a68e3b0da9d12ea56c0

  • SHA256

    5a116045f9e40be64ae46a63626844ed4dcc5a921485b681ebdbd217664e1342

  • SHA512

    a3c5a3560e0fc07ce5b0d30247bda41eb71ec17b2423f586735262055d9e45c3d7421b714931935eae23aba0f273ce7e686cf595d22563052a4c6bb8ac3ff990

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

a2c8

Decoy

sethdukes.online

hustl-hk.com

alienspacebabes.com

yitongbag.com

adlichoob.com

wejust5.com

wwwsnapfinancial.com

patriotcapitalgroupllc.com

divaconnectionbuild.com

adventureventures.net

jaromer.net

closureservices.com

sdc-english.com

fleet-lab.com

gtgits.com

clinicaorion.com

deleaderainfluenceur.com

honghuamach.net

638661.com

sleepgenies.info

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • ModiLoader Second Stage 39 IoCs
  • Xloader Payload 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4776
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:3628

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2400-165-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-146-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-142-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-143-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-145-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-144-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-163-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-147-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-148-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-149-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-150-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-151-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-153-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-154-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-152-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-155-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-157-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-156-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-140-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-158-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-160-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-161-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-162-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-164-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-159-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-141-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-167-0x0000000010410000-0x0000000010439000-memory.dmp

      Filesize

      164KB

    • memory/2400-170-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-169-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-171-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-172-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-173-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-180-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-181-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-182-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-183-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-184-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-185-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-186-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2400-187-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/2652-191-0x0000000008B50000-0x0000000008CD3000-memory.dmp

      Filesize

      1.5MB

    • memory/2652-198-0x00000000087B0000-0x0000000008879000-memory.dmp

      Filesize

      804KB

    • memory/3448-193-0x00000000005D0000-0x00000000005D7000-memory.dmp

      Filesize

      28KB

    • memory/3448-194-0x0000000001100000-0x0000000001129000-memory.dmp

      Filesize

      164KB

    • memory/3448-196-0x0000000001970000-0x0000000001CBA000-memory.dmp

      Filesize

      3.3MB

    • memory/3448-197-0x00000000016A0000-0x0000000001730000-memory.dmp

      Filesize

      576KB

    • memory/4776-189-0x0000000002C10000-0x0000000002F5A000-memory.dmp

      Filesize

      3.3MB

    • memory/4776-190-0x0000000002840000-0x0000000002851000-memory.dmp

      Filesize

      68KB