Overview

overview

10

Static

static

Scanned PO...21.exe

windows7-x64

10

Scanned PO...21.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Scanned PO N402201321.exe

  • Size

    1.1MB

  • Sample

    221005-tym1tsfbbq

  • MD5

    be5a3dcd8ac544cc9a5eac17daf5d813

  • SHA1

    aa1317d65deca8bd330018e85000069288ce6afc

  • SHA256

    70deba92a46f6f3913b10be9eeacfe0c0b89177d4ca6041012bc446ca9bd0acf

  • SHA512

    77f0f34476d41108d2bb8d1009c08eb61d906cd13aad9bc3f397ad9d6d96a5f8bcd55181c90b231c707b71a175d531a952649bed9f302d658fb0338754ac5909

  • SSDEEP

    24576:QSbKwOzzwHsOzj4j85M1hUQDAxzJX44ws8:QSnJsOzj4jGM1aK4FXys

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

harjahwool.ddnsfree.com:8372

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-EGNT8M

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Scanned PO N402201321.exe

    • Size

      1.1MB

    • MD5

      be5a3dcd8ac544cc9a5eac17daf5d813

    • SHA1

      aa1317d65deca8bd330018e85000069288ce6afc

    • SHA256

      70deba92a46f6f3913b10be9eeacfe0c0b89177d4ca6041012bc446ca9bd0acf

    • SHA512

      77f0f34476d41108d2bb8d1009c08eb61d906cd13aad9bc3f397ad9d6d96a5f8bcd55181c90b231c707b71a175d531a952649bed9f302d658fb0338754ac5909

    • SSDEEP

      24576:QSbKwOzzwHsOzj4j85M1hUQDAxzJX44ws8:QSnJsOzj4jGM1aK4FXys

    Score
    10/10
    remcosremotehostpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks