Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 12:13

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 54 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:664
    • 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:1224
      • 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:4820
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:1996

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/664-191-0x00000000030F0000-0x0000000003288000-memory.dmp

      Filesize

      1.6MB

    • memory/664-198-0x0000000007FF0000-0x00000000080D5000-memory.dmp

      Filesize

      916KB

    • memory/1036-193-0x0000000000A90000-0x0000000000A96000-memory.dmp

      Filesize

      24KB

    • memory/1036-194-0x0000000000790000-0x00000000007B9000-memory.dmp

      Filesize

      164KB

    • memory/1036-197-0x0000000002740000-0x00000000027D0000-memory.dmp

      Filesize

      576KB

    • memory/1036-195-0x0000000002920000-0x0000000002C6A000-memory.dmp

      Filesize

      3.3MB

    • memory/1224-160-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-164-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-144-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-146-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-147-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-148-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-149-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-150-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-151-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-152-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-153-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-154-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-155-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-156-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-157-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-158-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-159-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-143-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-161-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-162-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-163-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-145-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-165-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-167-0x0000000010410000-0x0000000010439000-memory.dmp

      Filesize

      164KB

    • memory/1224-170-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-169-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-171-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-173-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-172-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-181-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-182-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-183-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-184-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-185-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-180-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-186-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-142-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-187-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-140-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/1224-141-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/4820-188-0x0000000002920000-0x0000000002C6A000-memory.dmp

      Filesize

      3.3MB

    • memory/4820-190-0x00000000026C0000-0x00000000026D1000-memory.dmp

      Filesize

      68KB