Overview

overview

10

Static

static

SPIER.dfh.exe

windows7_x64

10

SPIER.dfh.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    SPIER.dfh.exe

  • Size

    971KB

  • Sample

    220526-egrv5acacq

  • MD5

    093bd5d66d0c00dd8460371d8a7c6645

  • SHA1

    1f4fea0428b350a4ae31b1b77248a74f039e3d22

  • SHA256

    6e6e55b8b80a3232b0059f0aab756936505691e6b7472eb5ac7d364f7623c4e1

  • SHA512

    11c33dffa91cbc51529002704ca61fc5bf524124cffd5f7325c376c5214012792520bf1d45666f58d868bdc9e4250c8fc4c9afab6eb079de50b746340cfd24fa

Score
10/10
remcosremotehostmicrosoftpersistencephishingrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

niiarmah.kozow.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Updates.exe

  • copy_folder

    Updates

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Updates-NESLEV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Updates

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      SPIER.dfh.exe

    • Size

      971KB

    • MD5

      093bd5d66d0c00dd8460371d8a7c6645

    • SHA1

      1f4fea0428b350a4ae31b1b77248a74f039e3d22

    • SHA256

      6e6e55b8b80a3232b0059f0aab756936505691e6b7472eb5ac7d364f7623c4e1

    • SHA512

      11c33dffa91cbc51529002704ca61fc5bf524124cffd5f7325c376c5214012792520bf1d45666f58d868bdc9e4250c8fc4c9afab6eb079de50b746340cfd24fa

    Score
    10/10
    remcosremotehostratmicrosoftpersistencephishing

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks