Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 02:57

General

  • Target

    c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe

  • Size

    2.2MB

  • MD5

    4cc37ec50a6261f3a3165bf88fd8c4c4

  • SHA1

    471b3058cc49aad6189323676472deae6dee1170

  • SHA256

    c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

  • SHA512

    99c52e6263afe7960bc59ed56a60ffa248524798338ff61010619129ad17237a9d8402f1b93fce824c9c5f23b0b39ba19db5926dd6bc31634f0c761256fd2e29

  • SSDEEP

    24576:YD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHM:Yp7E+QrFUBgq2SnJM

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
    "C:\Users\Admin\AppData\Local\Temp\c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

    Filesize

    2.2MB

    MD5

    6082774f8f613e84f851e9544debd2fd

    SHA1

    c483952c20c44c7a3029f016debb866728dad584

    SHA256

    35afa19d10e50b2e45ae7dadb87d740990be58ac8ce41754d7a0b931e93ea2bc

    SHA512

    b4613b9100237e0bae21a59d2246dad868dcac2d9eb73a8539739ef30fd40db836dc8af547f3f6a4a50abe1824c819b5ed4bcd5ae0564cb8d67ff20fa17eeb73

  • memory/4276-46-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4276-34-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4276-33-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4276-32-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/4440-42-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-35-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-49-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-45-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-44-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-39-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4440-38-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/5112-2-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-19-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-5-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-0-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB

  • memory/5112-6-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-31-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-30-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-1-0x00000000754D0000-0x0000000075A81000-memory.dmp

    Filesize

    5.7MB

  • memory/5112-18-0x00000000754D2000-0x00000000754D3000-memory.dmp

    Filesize

    4KB