Overview

overview

10

Static

static

26f7e3a746...cd.exe

windows7_x64

10

26f7e3a746...cd.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-06-2022 06:42

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General

  • Target

    26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd.exe

  • Size

    541KB

  • MD5

    3132fa932600e54c70494785d0ab3d8e

  • SHA1

    eca2f7df1d298dbb99a9b123dc7559218416c314

  • SHA256

    26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd

  • SHA512

    7f75eba07b0097d8dd821cdde09ab55f7eb11f49d0273bdae6a609a3827ded3569153110841cd2e796b568395936c545993fb770ef1afd2687023c0058183f4b

Score
10/10
remcoscgmibootkitpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.0.4 Pro

Botnet

CGMi

C2

191.101.22.196:2409

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

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-TGTMEL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    5

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Signatures

  • Remcos

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

    ratremcos
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd.exe
    "C:\Users\Admin\AppData\Local\Temp\26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd.exe"
    1⤵
    • Adds Run key to start application
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd.exe
      "C:\Users\Admin\AppData\Local\Temp\26f7e3a746cf0d0c74ae5ca90a3dd4b6cfedb6aaf46cd7c902c753d53b6bd9cd.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/972-54-0x00000000753B1000-0x00000000753B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/972-55-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/972-56-0x00000000002F0000-0x0000000000332000-memory.dmp
    Filesize

    264KB

    Download
  • memory/972-63-0x0000000000400000-0x0000000000536000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2024-57-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2024-60-0x00000000004128AF-mapping.dmp
    Download
  • memory/2024-59-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2024-64-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2024-65-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/2024-66-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

    Download