Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 18:42

General

  • Target

    Hóa đơn thanh toán202005074736282989377444.exe

  • Size

    1.6MB

  • MD5

    3620bf04976d426757cbda5e50e78cca

  • SHA1

    322152f1ce9857ff4257631fe96879daf87d737f

  • SHA256

    c1dd3e913417e736fe1251f0d1b890756dfbc7ce89efa4f5ceee6e895d2ec79a

  • SHA512

    7fc245118a8e8f5a69c2491fafc8d48cf3867898a02c7cc66514e7da5a17a79ec26cee18a26c76de7a760c8eb3d3725bfdbcd73323af5ba77a7a8ea7e7794c4b

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hóa đơn thanh toán202005074736282989377444.exe
    "C:\Users\Admin\AppData\Local\Temp\Hóa đơn thanh toán202005074736282989377444.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1052

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1052-56-0x000000000041E792-mapping.dmp
  • memory/1052-59-0x0000000073DA0000-0x000000007434B000-memory.dmp
    Filesize

    5.7MB

  • memory/1052-60-0x0000000000236000-0x0000000000247000-memory.dmp
    Filesize

    68KB

  • memory/1100-54-0x0000000074B51000-0x0000000074B53000-memory.dmp
    Filesize

    8KB

  • memory/1100-55-0x0000000003D50000-0x0000000003DB6000-memory.dmp
    Filesize

    408KB

  • memory/1100-58-0x00000000029C0000-0x0000000002A26000-memory.dmp
    Filesize

    408KB