Analysis

  • max time kernel
    165s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-05-2022 04:29

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 26 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 use of WriteProcessMemory
    PID:3128
    • 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:1000
      • C:\Windows\SysWOW64\logagent.exe
        C:\Windows\System32\logagent.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2204
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:660
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/660-194-0x0000000000D20000-0x0000000000D39000-memory.dmp

      Filesize

      100KB

    • memory/660-195-0x00000000004F0000-0x0000000000519000-memory.dmp

      Filesize

      164KB

    • memory/660-197-0x0000000002250000-0x00000000022E0000-memory.dmp

      Filesize

      576KB

    • memory/660-196-0x00000000024B0000-0x00000000027FA000-memory.dmp

      Filesize

      3.3MB

    • memory/1000-160-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-165-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-144-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-146-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-145-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-147-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-148-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-149-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-150-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-157-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-159-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-158-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-156-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-155-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-154-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-153-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-152-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-151-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-142-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-162-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-161-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-164-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-163-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-143-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-170-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-173-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-180-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-185-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-186-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-187-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-184-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-183-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-182-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-181-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-172-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-171-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-169-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-167-0x0000000010410000-0x0000000010439000-memory.dmp

      Filesize

      164KB

    • memory/1000-141-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/1000-140-0x00000000007C0000-0x0000000000816000-memory.dmp

      Filesize

      344KB

    • memory/2204-188-0x0000000002F50000-0x000000000329A000-memory.dmp

      Filesize

      3.3MB

    • memory/2204-190-0x0000000002DD0000-0x0000000002DE1000-memory.dmp

      Filesize

      68KB

    • memory/3128-191-0x00000000033A0000-0x0000000003469000-memory.dmp

      Filesize

      804KB

    • memory/3128-198-0x0000000008E00000-0x0000000008F8D000-memory.dmp

      Filesize

      1.6MB