Overview

overview

10

Static

static

PRODUCT EN...30.exe

windows7_x64

10

PRODUCT EN...30.exe

windows10_x64

10

Sharing

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General

  • Target

    PRODUCT ENQUIRY #20211030.xz

  • Size

    881KB

  • Sample

    211030-t4exeabhcq

  • MD5

    16130757a19466ebcdffe8ad74d79f77

  • SHA1

    e7088b407497b864070ad663eaa72381d67feb3b

  • SHA256

    58cdfe26cdb404c5dc2eef57366c8d0d10e4b2176d3a1973115b78c9981081bf

  • SHA512

    c66f25ff065344318e84376b5a83e4cdb845e667428cbf7ed314f76b3ef5f334559c9220b02b602793ecf396f88dccc385a2ee74379136f588824af6ee2b6cac

Score
10/10
remcostmt stubagilenetpersistencerat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

TMT stub

C2

185.140.53.178:2404

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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-9B7MHK

  • 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

    notepad;solitaire;

Targets

    • Target

      PRODUCT ENQUIRY #20211030.exe

    • Size

      1.6MB

    • MD5

      d4ab0233615eac735996a239124e9dbe

    • SHA1

      eae1a6445bd76e829261323fb1718fa7402f0a7c

    • SHA256

      396cf088fe2062cc9b2d2ae6d33ff965264bb9828fbde907bcaff37e5bfde6b9

    • SHA512

      446e601c3a4fcaf072bef519cd4039781418dcf98dc1b503e805aadf2a0c33d2fa18535dce1031e43b3c1effc0bcb2db643ad600accd2eac289ff1c0d57de062

    Score
    10/10
    remcostmt stubagilenetpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • 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

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks