Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 03:25

General

  • Target

    b9803b83ed42e8f63e73719cfffeff30ecfabeca676a3a04a087754e2608a1c5.exe

  • Size

    930KB

  • MD5

    f8cdbdf8318c11c2e3e286195f067042

  • SHA1

    af9c826e25d7d9242c5957cf753af46dcb45fd33

  • SHA256

    b9803b83ed42e8f63e73719cfffeff30ecfabeca676a3a04a087754e2608a1c5

  • SHA512

    cf30201667ebb76abb9adbed69afc2112385b6581449c496014a4c33328e7243531e13403384b3a9894be60c4029fa5de5a49133ea7465fc8e034b0c8cd3b74e

  • SSDEEP

    24576:R7sP5Kw0G1OAc8msbN0o2IDGHfPMFQJQI/zN:R8o9G1bTcfPMFQJQI/zN

Malware Config

Extracted

Family

remcos

Botnet

FM NEW

C2

hafiznor3374.duckdns.org:4610

127.0.0.1:4610

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-L3FHGJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • Remcos

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

  • Remcos family
  • ModiLoader Second Stage 61 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9803b83ed42e8f63e73719cfffeff30ecfabeca676a3a04a087754e2608a1c5.exe
    "C:\Users\Admin\AppData\Local\Temp\b9803b83ed42e8f63e73719cfffeff30ecfabeca676a3a04a087754e2608a1c5.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Public\Libraries\FX.cmd
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1404
    • C:\Windows\SysWOW64\SndVol.exe
      C:\Windows\System32\SndVol.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabC296.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarC354.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Public\Libraries\FX.cmd

    Filesize

    8KB

    MD5

    60cd0be570decd49e4798554639a05ae

    SHA1

    bd7bed69d9ab9a20b5263d74921c453f38477bcb

    SHA256

    ca6a6c849496453990beceef8c192d90908c0c615fa0a1d01bcd464bad6966a5

    SHA512

    ab3dbdb4ed95a0cb4072b23dd241149f48ecff8a69f16d81648e825d9d81a55954e5dd9bc46d3d7408421df30c901b9ad1385d1e70793fa8d715c86c9e800c57

  • memory/2352-0-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2352-1-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-2-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-4-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2352-6-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-8-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-9-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-11-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-14-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-16-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-17-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-7-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-22-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-20-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-27-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-24-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-28-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-33-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-31-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-36-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-38-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-10-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-40-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-42-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-45-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-12-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-50-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-47-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-52-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-54-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-13-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-56-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-59-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-62-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-64-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-66-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-68-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-70-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-15-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-72-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-75-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-77-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-80-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-48-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-46-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-44-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-43-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-41-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-39-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-37-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-35-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-34-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-32-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-30-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-29-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-26-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-25-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-23-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-21-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-19-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-18-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-85-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-84-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/2352-82-0x0000000003390000-0x0000000004390000-memory.dmp

    Filesize

    16.0MB

  • memory/3016-310-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/3016-411-0x000000002A7D0000-0x000000002A84F000-memory.dmp

    Filesize

    508KB

  • memory/3016-494-0x00000000001A0000-0x00000000001A1000-memory.dmp

    Filesize

    4KB

  • memory/3016-506-0x000000002A7D0000-0x000000002A84F000-memory.dmp

    Filesize

    508KB