Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2023 12:54

General

  • Target

    c0e2de257b40366c2e97a6c4a074d18a49a8ade3037632cd754489d26198dbd3.exe

  • Size

    979KB

  • MD5

    4d3870cf2fa0e869bbfa107c825f4849

  • SHA1

    0141b868dbb9e97c4236db41e12b20b013fcf869

  • SHA256

    c0e2de257b40366c2e97a6c4a074d18a49a8ade3037632cd754489d26198dbd3

  • SHA512

    c94f0c0d67402dfa182119776ad0f68b880eaf55c37989ecf590ddb5abab69103e509a301f4a5faa65ede33e72e5190b843fafba419b84166da34b66fab4fd84

  • SSDEEP

    12288:E24M/WlO3yEpjb/LCE3+UB+3GHdXTL9eqMPvWJf+RIa3Y9BtIDiAXHNbTx:EzM/wiXV7DgYftii8tb9

Malware Config

Extracted

Family

remcos

Botnet

Power

C2

powerstationinfinite.online:2022

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

    logins.dat

  • keylog_flag

    false

  • keylog_folder

    WinPow

  • mouse_option

    false

  • mutex

    RmcsPower-SYFR8B

  • 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

  • Remcos

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0e2de257b40366c2e97a6c4a074d18a49a8ade3037632cd754489d26198dbd3.exe
    "C:\Users\Admin\AppData\Local\Temp\c0e2de257b40366c2e97a6c4a074d18a49a8ade3037632cd754489d26198dbd3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4272

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1812-132-0x000001C6887E0000-0x000001C6888DA000-memory.dmp
    Filesize

    1000KB

  • memory/1812-133-0x00007FFF2CB60000-0x00007FFF2D621000-memory.dmp
    Filesize

    10.8MB

  • memory/1812-137-0x00007FFF2CB60000-0x00007FFF2D621000-memory.dmp
    Filesize

    10.8MB

  • memory/4272-134-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/4272-135-0x0000000000432BD1-mapping.dmp
  • memory/4272-136-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/4272-138-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/4272-139-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/4272-140-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB