Analysis

  • max time kernel
    36s
  • max time network
    57s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/02/2024, 06:53

General

  • Target

    AKBANK 002'den oluşturulan fatura ödemesiMerkantiliserendes.exe

  • Size

    894KB

  • MD5

    10d0b99ee5922390bd2bbe07e71a0a75

  • SHA1

    a6e89c9d5007811038fc2d3fd05ed6b01e7fd93a

  • SHA256

    05e0f79a1c435ee4d5f914b576b8d9c4a766895aad1da9186ac5a49cc98b3657

  • SHA512

    d97f9dfe0ec1c9803fb4f9e74e1ff0892b1068961cf7cd0d8fb1ac3d2b19b3c7d0852a4399b22259518c72b72b8d5d43434b510e904d27ddb9fd38652472828b

  • SSDEEP

    24576:GbgG0BHv4m+8zFkv0DLfyfPRBad/XpD7Ao+v:8gL+QFQ6Lf0A17Gv

Score
10/10

Malware Config

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AKBANK 002'den oluşturulan fatura ödemesiMerkantiliserendes.exe
    "C:\Users\Admin\AppData\Local\Temp\AKBANK 002'den oluşturulan fatura ödemesiMerkantiliserendes.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3852
    • C:\Program Files (x86)\windows mail\wab.exe
      "C:\Users\Admin\AppData\Local\Temp\AKBANK 002'den oluşturulan fatura ödemesiMerkantiliserendes.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      PID:872

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsq54A9.tmp\System.dll

          Filesize

          12KB

          MD5

          cff85c549d536f651d4fb8387f1976f2

          SHA1

          d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

          SHA256

          8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

          SHA512

          531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

        • memory/872-45-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-46-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-25-0x0000000077A68000-0x0000000077A69000-memory.dmp

          Filesize

          4KB

        • memory/872-26-0x00000000779E1000-0x0000000077B01000-memory.dmp

          Filesize

          1.1MB

        • memory/872-28-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-30-0x00000000779E1000-0x0000000077B01000-memory.dmp

          Filesize

          1.1MB

        • memory/872-31-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-32-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-29-0x0000000001E60000-0x000000000791A000-memory.dmp

          Filesize

          90.7MB

        • memory/872-33-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-34-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-35-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-36-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-37-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-38-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-39-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-40-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-68-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-42-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-43-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-67-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-44-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-41-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-47-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-48-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-49-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-50-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-51-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-52-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-53-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-54-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-55-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-56-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-57-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-58-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-59-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-60-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-61-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-64-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-65-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/872-66-0x0000000000C00000-0x0000000001E54000-memory.dmp

          Filesize

          18.3MB

        • memory/3852-24-0x0000000074630000-0x0000000074637000-memory.dmp

          Filesize

          28KB

        • memory/3852-23-0x00000000779E1000-0x0000000077B01000-memory.dmp

          Filesize

          1.1MB