Overview

overview

10

Static

static

PO839-DOC8...df.exe

windows7_x64

10

PO839-DOC8...df.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    e672d5c850d8e1355578ab0fbe7aaac57ed1c4da34898cf4cfdb1c8f4ef1de7b

  • Size

    151KB

  • Sample

    220520-166apshhdp

  • MD5

    bbb347383e6e4e075a774f9109fda149

  • SHA1

    514d2d8763fc5aafed31a9d418868b925c43e0dd

  • SHA256

    e672d5c850d8e1355578ab0fbe7aaac57ed1c4da34898cf4cfdb1c8f4ef1de7b

  • SHA512

    b6aa9a3f4db2a5e3950b92e1be183ad26e5a6f70073de5b439cceb59b311d64d67e968710ad9997402dfa8f5325e41b9022d54d6da6b7ccad014882c03407be6

Score
10/10
remcosxxxxxxxxxxxxevasionrat

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

xxxxxxxxxxxx

C2

109.169.89.116:2021

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    s.sex

  • keylog_flag

    false

  • keylog_folder

    ssssss

  • keylog_path

    %UserProfile%

  • mouse_option

    false

  • mutex

    fuckhere-M9W1LK

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      PO839-DOC83475348-834_pdf.exe

    • Size

      169KB

    • MD5

      f0a88db6d16630640775a733efd9527f

    • SHA1

      88fc7c4275f93c404efa073a80ce61e0e7f3ee5a

    • SHA256

      ff3eb81477b36ac2239b623085961439379064929b20c4a69f72cb266adece83

    • SHA512

      af00550e84d345289e6d1751f42be955a3d60a2e5a4f442764dfbb044b7e0c8d775e8af89c0d217bd8023d4a4739b77600ba9365f47cde5086afead6180f6ddf

    Score
    10/10
    remcosxxxxxxxxxxxxevasionrat

    • Remcos

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

      ratremcos

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks