Analysis

  • max time kernel
    75s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20/07/2021, 15:11

General

  • Target

    top-macro.exe

  • Size

    6.1MB

  • MD5

    dbf27edfd1c25b00cd4dfaed3fdc5050

  • SHA1

    86d05ee92d2c4bb639849979802e93a7d495ac0d

  • SHA256

    140a296066f4749fff13c3c8e75c92bf9e2a884a55826977733d4bdff90a059e

  • SHA512

    ee139a213df23b222d08ef26133b95230d33ffb0b92efbd1c51036e3fa19905dda4c1512b24922b20579178549ed9b3b25dca9e6ca2cc94f2575f23c571f82ec

Malware Config

Signatures

  • Panda Stealer Payload 2 IoCs
  • PandaStealer

    Panda Stealer is a fork of CollectorProject Stealer written in C++.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\top-macro.exe
    "C:\Users\Admin\AppData\Local\Temp\top-macro.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\54618456.exe
      "C:\Users\Admin\AppData\Local\Temp\54618456.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5112
      • C:\Users\Admin\AppData\Local\Temp\5468456.sfx.exe
        "C:\Users\Admin\AppData\Local\Temp\5468456.sfx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4204
        • C:\Users\Admin\AppData\Local\Temp\5468456.exe
          "C:\Users\Admin\AppData\Local\Temp\5468456.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1208
    • C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4140
    • C:\Users\Admin\AppData\Local\Temp\Figma.exe
      "C:\Users\Admin\AppData\Local\Temp\Figma.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      PID:3460

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1208-141-0x0000000000850000-0x0000000000C66000-memory.dmp

          Filesize

          4.1MB

        • memory/3460-128-0x00007FF72D890000-0x00007FF72DC61000-memory.dmp

          Filesize

          3.8MB

        • memory/3460-142-0x00007FF72E3D0000-0x00007FF72F1EF000-memory.dmp

          Filesize

          14.1MB

        • memory/4648-114-0x0000000000690000-0x0000000000691000-memory.dmp

          Filesize

          4KB

        • memory/4648-117-0x0000000002F90000-0x0000000002F92000-memory.dmp

          Filesize

          8KB