Resubmissions

21/02/2022, 13:26

220221-qpkbssach410

21/02/2022, 12:58

220221-p7hp9aacc310

Analysis

  • max time kernel
    157s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    21/02/2022, 12:58

General

  • Target
    Order-EM5148932-pdf.exe
  • Size 319KB
  • Sample220221-p7hp9aacc3
  • SHA256 ea1c7db69290a2b343646ede684b58ed96e891feab6dadbbc9909c1c245d4bf2
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • xloader

Version
  • 2.5

Campaign
  • nqs9

Decoy
  • lgingood.com

  • shopgeti.com

  • christianuomo.com

  • sportsxuk.com

  • markidesignstore.com

  • tjhuoliao.com

  • docomobb.xyz

  • ilrespirodelmare.com

  • kfconline.rest

  • paramusrepair.com

  • w3zand.com

  • unguamtruppe.quest

  • bethesdagardensloveland.net

  • bostonstretchlimousine.com

  • yycsmj.net

  • creatorgela.com

  • bestalcoholfreebeer.com

  • jorgeforfr.com

  • dlzxd.com

  • rajaranicoupon.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\Order-EM5148932-pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Order-EM5148932-pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Users\Admin\AppData\Local\Temp\zlsdlpt.exe
        C:\Users\Admin\AppData\Local\Temp\zlsdlpt.exe C:\Users\Admin\AppData\Local\Temp\vdwoiov
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Users\Admin\AppData\Local\Temp\zlsdlpt.exe
          C:\Users\Admin\AppData\Local\Temp\zlsdlpt.exe C:\Users\Admin\AppData\Local\Temp\vdwoiov
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4020
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\zlsdlpt.exe"
        3⤵
          PID:2972
    • C:\Windows\system32\MusNotifyIcon.exe
      %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
      1⤵
      • Checks processor information in registry
      PID:3800
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -p
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:4008
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2636

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1356-136-0x0000000000480000-0x0000000000482000-memory.dmp

          memory/1808-143-0x0000000002FB0000-0x0000000002FD9000-memory.dmp

          memory/1808-145-0x0000000004E70000-0x0000000004F00000-memory.dmp

          memory/1808-144-0x0000000005040000-0x000000000538A000-memory.dmp

          memory/1808-142-0x0000000000E80000-0x0000000000EA7000-memory.dmp

          memory/2308-146-0x0000000009390000-0x00000000094E4000-memory.dmp

          memory/2308-141-0x0000000009270000-0x0000000009372000-memory.dmp

          memory/4020-134-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/4020-140-0x0000000000E70000-0x0000000000E81000-memory.dmp

          memory/4020-139-0x000000000041D000-0x000000000041E000-memory.dmp

          memory/4020-138-0x00000000009F0000-0x0000000000D3A000-memory.dmp