Overview

overview

10

Static

static

1

e15bf785da...57.hta

windows7-x64

10

e15bf785da...57.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    e15bf785da97ec4893315687222ab28f491b49de7e95558086cd59d23b85c057.hta

  • Size

    115KB

  • Sample

    240925-c4r4aszfnl

  • MD5

    e22849cf884da37532e50f50a298c344

  • SHA1

    b40e6ca50290ed885ff60c691444b33f3fb0a643

  • SHA256

    e15bf785da97ec4893315687222ab28f491b49de7e95558086cd59d23b85c057

  • SHA512

    7d241fe5b00949a1b3f12f86359f1870a19fbf400b7ebb10ae6936ea44ab6ac01cd838d801a7be502b3e58c97c33db317ef1d0bc12db108f2f766ad6bf03b40e

  • SSDEEP

    96:Ea+M7XN7VQ63VQcuLNdfJ1LV9jzeVQda8AT:Ea+QXgXPnzILT

Score
10/10
remcoszynovadefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt
exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Extracted

Family

remcos

Botnet

zynova

C2

2024remcmon.duckdns.org:14645

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-R2I0JW

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      e15bf785da97ec4893315687222ab28f491b49de7e95558086cd59d23b85c057.hta

    • Size

      115KB

    • MD5

      e22849cf884da37532e50f50a298c344

    • SHA1

      b40e6ca50290ed885ff60c691444b33f3fb0a643

    • SHA256

      e15bf785da97ec4893315687222ab28f491b49de7e95558086cd59d23b85c057

    • SHA512

      7d241fe5b00949a1b3f12f86359f1870a19fbf400b7ebb10ae6936ea44ab6ac01cd838d801a7be502b3e58c97c33db317ef1d0bc12db108f2f766ad6bf03b40e

    • SSDEEP

      96:Ea+M7XN7VQ63VQcuLNdfJ1LV9jzeVQda8AT:Ea+QXgXPnzILT

    Score
    10/10
    defense_evasiondiscoveryexecutionremcoszynovarat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks