Overview

overview

10

Static

static

10

CONFIRMACI...DF.exe

windows7_x64

10

CONFIRMACI...DF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:00

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General

  • Target

    CONFIRMACION DEL PEDIDO CVE6535,PDF.exe

  • Size

    372KB

  • MD5

    a962399ee6a55b52ad2432702a800597

  • SHA1

    2ae09b6b627b86bb4a6e2e7b2d33fdc6f8e1579f

  • SHA256

    329886b8af71b45a41f94d0d9a69761b6b6fe80d36b7f7a6201fd97dc33234d5

  • SHA512

    7914d464cbba0de5392a19d9bd986be7246fca19d15cad5303cf81f1a9dd56cbf94729bd5d1f7f2b2b3e0cb545bb689cc6114b8ee08a8c508c4f8d1eeb86b8a6

Score
10/10
remcossnakebotgracedratsnakebot

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

GRACED

C2

thankyoulord.ddns.net:5050

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-0S5XD9

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

    ratremcos
  • SnakeBOT

    SnakeBOT is a heavily obfuscated .NET downloader.

    snakebot
  • Contains SnakeBOT related strings 1 IoCs
    snakebot
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONFIRMACION DEL PEDIDO CVE6535,PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CONFIRMACION DEL PEDIDO CVE6535,PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CfGuVGvIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE1B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1068
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "{path}"
      2⤵
        PID:1644

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpFE1B.tmp
      Filesize

      1KB

      MD5

      c77ef9f0320d5964144a6a65906ff07b

      SHA1

      858fcad96e6ed10f02fd3bb05fab9c4acba21079

      SHA256

      4860ee3118bfbc19e1ca419a3c913fa3bda4006b048e3c52363d45cad0d97ac3

      SHA512

      0c5801375c1d6623ec9d3eea0a8973754b779b5e6d4fb4d3fa34c47c3f6c8843da18f314487688826dd0ec12f024efe7097a57ad5d03586dbfba518bc1519ae4

      Download Submit
    • memory/1068-135-0x0000000000000000-mapping.dmp
      Download
    • memory/1644-137-0x0000000000000000-mapping.dmp
      Download
    • memory/1644-138-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/1644-140-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/1644-141-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

      Download
    • memory/3204-130-0x00000000009C0000-0x0000000000A26000-memory.dmp
      Filesize

      408KB

      Download
    • memory/3204-131-0x0000000007D80000-0x0000000008324000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3204-132-0x00000000078B0000-0x0000000007942000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3204-133-0x0000000007950000-0x000000000795A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3204-134-0x000000000B0B0000-0x000000000B14C000-memory.dmp
      Filesize

      624KB

      Download