Overview

overview

10

Static

static

1

sostener.vbs

windows7-x64

10

sostener.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    sostener.vbs

  • Size

    151KB

  • Sample

    231212-p3c9zadbdr

  • MD5

    68d8a06f9e1dd8e699c7ad1d4cac8d60

  • SHA1

    3033f65887e293423c32c6f0b5f9ebd635a0fba7

  • SHA256

    1ea6c6f070c071450ac1994e703652c39b784097fde51c87a294feaabf95618e

  • SHA512

    a2b9bc39406bc8e1872d56a8449a6f7d1c4728e5e8f9c63e991d5053a443af631dfc6102248114478360909e6562a9a680dd632eebbb84d6cd65897fbe4b2a90

  • SSDEEP

    1536:KLLLLLLLv2JOFPvK6yGYpAQsLLLLLLL20LLLLLLLL9Z6LLLLLLLLksoKLLLLLLLi:ZMt

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://uploaddeimagens.com.br/images/004/686/431/original/dll_vbe.jpg?1702073941
exe.dropper

https://uploaddeimagens.com.br/images/004/686/431/original/dll_vbe.jpg?1702073941

Extracted

Family

remcos

Botnet

RemoteHost

C2

remccoss2023.duckdns.org:4576

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

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-E5ZBB0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      sostener.vbs

    • Size

      151KB

    • MD5

      68d8a06f9e1dd8e699c7ad1d4cac8d60

    • SHA1

      3033f65887e293423c32c6f0b5f9ebd635a0fba7

    • SHA256

      1ea6c6f070c071450ac1994e703652c39b784097fde51c87a294feaabf95618e

    • SHA512

      a2b9bc39406bc8e1872d56a8449a6f7d1c4728e5e8f9c63e991d5053a443af631dfc6102248114478360909e6562a9a680dd632eebbb84d6cd65897fbe4b2a90

    • SSDEEP

      1536:KLLLLLLLv2JOFPvK6yGYpAQsLLLLLLL20LLLLLLLL9Z6LLLLLLLLksoKLLLLLLLi:ZMt

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks