Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    05-05-2021 15:00

General

  • Target

    so.exe

  • Size

    650KB

  • MD5

    5551346aa9f251895021b95a2a7cc390

  • SHA1

    acbcecf7599d3c33f6f2a36c0947cfc633d0a406

  • SHA256

    9e189d8d48a66d2f53c972275642da7cbc8ad51b20f04cf1d592bef360db50cf

  • SHA512

    35e43a0f2ef1dd2dfaf921d8af3a4f3ef0f4675479d496141358561c84a3b8c8b1a5bd9497fe6c26757d3e6637edab538ac587d73bc6d47e9b90b751abf55ba3

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.cats16.com/8u3b/

Decoy

pipienta.com

wisdomfest.net

jenniferreich.com

bigcanoehomesforless.com

kayandbernard.com

offerbuildingsecrets.com

benleefoto.com

contactlesssoftware.tech

statenislandplumbing.info

lifestylemedicineservices.com

blazerplanning.com

fnatic-skins.club

effectivemarketinginc.com

babyshopit.com

2000deal.com

k12paymentcemter.com

spwakd.com

lesreponses.com

abundando.com

hawkspremierfhc.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Users\Admin\AppData\Local\Temp\so.exe
      "C:\Users\Admin\AppData\Local\Temp\so.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3628
      • C:\Users\Admin\AppData\Local\Temp\so.exe
        "C:\Users\Admin\AppData\Local\Temp\so.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2100
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\so.exe"
        3⤵
          PID:3856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2100-127-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/2100-132-0x0000000001970000-0x0000000001981000-memory.dmp

      Filesize

      68KB

    • memory/2100-130-0x0000000001530000-0x0000000001850000-memory.dmp

      Filesize

      3.1MB

    • memory/2100-128-0x000000000041D0A0-mapping.dmp

    • memory/3024-139-0x0000000005240000-0x00000000053BA000-memory.dmp

      Filesize

      1.5MB

    • memory/3024-131-0x0000000005120000-0x00000000051E8000-memory.dmp

      Filesize

      800KB

    • memory/3376-138-0x00000000050B0000-0x0000000005140000-memory.dmp

      Filesize

      576KB

    • memory/3376-137-0x00000000051B0000-0x00000000054D0000-memory.dmp

      Filesize

      3.1MB

    • memory/3376-135-0x0000000000CF0000-0x0000000000D17000-memory.dmp

      Filesize

      156KB

    • memory/3376-136-0x0000000002FC0000-0x0000000002FE9000-memory.dmp

      Filesize

      164KB

    • memory/3376-133-0x0000000000000000-mapping.dmp

    • memory/3628-121-0x0000000004C90000-0x0000000004C91000-memory.dmp

      Filesize

      4KB

    • memory/3628-126-0x0000000006A80000-0x0000000006AB0000-memory.dmp

      Filesize

      192KB

    • memory/3628-125-0x00000000009B0000-0x0000000000A28000-memory.dmp

      Filesize

      480KB

    • memory/3628-124-0x0000000008840000-0x000000000884E000-memory.dmp

      Filesize

      56KB

    • memory/3628-123-0x0000000002690000-0x000000000272C000-memory.dmp

      Filesize

      624KB

    • memory/3628-122-0x0000000002690000-0x000000000272C000-memory.dmp

      Filesize

      624KB

    • memory/3628-114-0x00000000001E0000-0x00000000001E1000-memory.dmp

      Filesize

      4KB

    • memory/3628-120-0x0000000002740000-0x0000000002741000-memory.dmp

      Filesize

      4KB

    • memory/3628-119-0x0000000002690000-0x000000000272C000-memory.dmp

      Filesize

      624KB

    • memory/3628-118-0x0000000004B70000-0x0000000004B71000-memory.dmp

      Filesize

      4KB

    • memory/3628-117-0x0000000005190000-0x0000000005191000-memory.dmp

      Filesize

      4KB

    • memory/3628-116-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

      Filesize

      4KB

    • memory/3856-134-0x0000000000000000-mapping.dmp