Overview

overview

10

Static

static

1

EFEMACPedi...18.vbs

windows7-x64

10

EFEMACPedi...18.vbs

windows10-2004-x64

8

Sharing

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General

  • Target

    EFEMACPedido0180040240418.vbs

  • Size

    187KB

  • Sample

    240418-h9ja8sga6w

  • MD5

    f08f508e797fa19d89a8a4688019fd99

  • SHA1

    32de77ff5689fbc68f64aa9cfd4405cc2686fd85

  • SHA256

    610119f52d69e8132b0130740836426d0b25fe5300ee4e12f2c51d1e36fec546

  • SHA512

    d33d6dbbac2945a22483026039a6f007698bbbc8a0e507a6cf14fb2a64e92125adbc5081c914fc5e7d6ff73c7018b28c38fa21b01a4c164b7e6fab7cc62c014d

  • SSDEEP

    3072:2MC8jqTKK8ccABOwbDS2y2zJETxUuoHh3uSH/OY6C1HwvBpVs2RtBZo5mFSarDYM:QTR8ccABOwbDA2zJETxVu1NH/vsd7tBb

Score
10/10
guloaderremcosprotectdownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Protect

C2

darvien99lakoustr01.duckdns.org:3770

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    lmouitrs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    akmsnxbfg-E906PA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      EFEMACPedido0180040240418.vbs

    • Size

      187KB

    • MD5

      f08f508e797fa19d89a8a4688019fd99

    • SHA1

      32de77ff5689fbc68f64aa9cfd4405cc2686fd85

    • SHA256

      610119f52d69e8132b0130740836426d0b25fe5300ee4e12f2c51d1e36fec546

    • SHA512

      d33d6dbbac2945a22483026039a6f007698bbbc8a0e507a6cf14fb2a64e92125adbc5081c914fc5e7d6ff73c7018b28c38fa21b01a4c164b7e6fab7cc62c014d

    • SSDEEP

      3072:2MC8jqTKK8ccABOwbDS2y2zJETxUuoHh3uSH/OY6C1HwvBpVs2RtBZo5mFSarDYM:QTR8ccABOwbDA2zJETxVu1NH/vsd7tBb

    Score
    10/10
    guloaderremcosprotectdownloaderpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

2
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