Overview

overview

10

Static

static

FACTURAS V...df.lnk

windows7-x64

10

FACTURAS V...df.lnk

windows10-2004-x64

10

Sharing

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General

  • Target

    FACTURAS VENCIDAS.pdf.lnk

  • Size

    4KB

  • Sample

    220817-hzyceaccbr

  • MD5

    321240e769016fa53af40cb6ab98cc0d

  • SHA1

    44b6143d5ec750d11f38d311622ef849b8ec5178

  • SHA256

    517b9d73ba6d6fd29ef0e008a01b11487c9217e466e17bb073a05412b3932e5b

  • SHA512

    b8189176905d269d0135267ac47ac30f140ab76cb8ae5025250691f99f6b8ae186d05bad3bee3521726d6dc4f14f25cca3235aebcd9a9f56c8b8e93eb52e86dd

  • SSDEEP

    96:8yDrsv8TjDTDbmGyTVvSFEcLqZCwjBr9c+S1U:8yDQv8TjfD5qR9c1

Score
10/10
remcosenviojagosto 16persistencerat

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://movilidadvialcolombia.com/envios.hta

Extracted

Language
hta
Source
URLs
hta.dropper

https://movilidadvialcolombia.com/envios.hta

Extracted

Family

remcos

Botnet

ENVIOJAGOSTO 16

C2

logisitica.discisoted.info:5505

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    fryuias

  • mouse_option

    false

  • mutex

    yyuhajsstr-SGRMTP

  • 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

Targets

    • Target

      FACTURAS VENCIDAS.pdf.lnk

    • Size

      4KB

    • MD5

      321240e769016fa53af40cb6ab98cc0d

    • SHA1

      44b6143d5ec750d11f38d311622ef849b8ec5178

    • SHA256

      517b9d73ba6d6fd29ef0e008a01b11487c9217e466e17bb073a05412b3932e5b

    • SHA512

      b8189176905d269d0135267ac47ac30f140ab76cb8ae5025250691f99f6b8ae186d05bad3bee3521726d6dc4f14f25cca3235aebcd9a9f56c8b8e93eb52e86dd

    • SSDEEP

      96:8yDrsv8TjDTDbmGyTVvSFEcLqZCwjBr9c+S1U:8yDQv8TjfD5qR9c1

    Score
    10/10
    remcosenviojagosto 16persistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks