Analysis

  • max time kernel
    152s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    29-04-2022 15:39

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 4 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 40 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:796
    • 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:800
      • 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:4940
    • C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4428
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\logagent.exe"
        3⤵
          PID:3024

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/796-192-0x0000000002CB0000-0x0000000002DD3000-memory.dmp

      Filesize

      1.1MB

    • memory/796-199-0x0000000008540000-0x00000000086B9000-memory.dmp

      Filesize

      1.5MB

    • memory/800-163-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-145-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-141-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-144-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-167-0x0000000010410000-0x0000000010439000-memory.dmp

      Filesize

      164KB

    • memory/800-146-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-147-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-148-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-149-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-150-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-151-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-152-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-153-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-154-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-155-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-170-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-157-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-158-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-159-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-160-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-161-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-162-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-164-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-165-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-143-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-142-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-156-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-171-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-169-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-172-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-173-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-180-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-181-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-182-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-183-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-185-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-186-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-187-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-184-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/800-140-0x0000000003970000-0x00000000039C6000-memory.dmp

      Filesize

      344KB

    • memory/4428-194-0x0000000000EC0000-0x0000000000EE7000-memory.dmp

      Filesize

      156KB

    • memory/4428-195-0x0000000000F30000-0x0000000000F59000-memory.dmp

      Filesize

      164KB

    • memory/4428-196-0x0000000002F50000-0x000000000329A000-memory.dmp

      Filesize

      3.3MB

    • memory/4428-198-0x0000000002C90000-0x0000000002D20000-memory.dmp

      Filesize

      576KB

    • memory/4940-189-0x0000000010410000-0x0000000010439000-memory.dmp

      Filesize

      164KB

    • memory/4940-190-0x0000000002D60000-0x00000000030AA000-memory.dmp

      Filesize

      3.3MB

    • memory/4940-191-0x0000000001070000-0x0000000001081000-memory.dmp

      Filesize

      68KB