Overview

overview

10

Static

static

7

1.exe

windows7_x64

10

1.exe

windows10_x64

10

Sharing

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General

  • Target

    1.exe

  • Size

    2.8MB

  • Sample

    220606-ezrcbaeac9

  • MD5

    edb10b0c4edef8e2bbe0239ba00a5878

  • SHA1

    087e332d704f0a87fc38b5a4cc27122f0e7db62d

  • SHA256

    9736d66884a0507610864f5bcec4de099c55bdfa0c33305a2d493c5f337e5cba

  • SHA512

    c157f6b36f5c2d714aac2016cc8ef895d866d4bd735871c82384e4af1998e980438175980255f4342c6b3abe3d09b98f8d84a62697e116a642f23b22e061c5e4

Score
10/10
remcosrh1collectionevasionpersistenceratspywarestealerthemidatrojan

Malware Config

Extracted

Family

remcos

Botnet

RH1

C2

185.29.9.125:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    itunes.exe

  • copy_folder

    RMS

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Jd1985-XODZWD

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Rms

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      1.exe

    • Size

      2.8MB

    • MD5

      edb10b0c4edef8e2bbe0239ba00a5878

    • SHA1

      087e332d704f0a87fc38b5a4cc27122f0e7db62d

    • SHA256

      9736d66884a0507610864f5bcec4de099c55bdfa0c33305a2d493c5f337e5cba

    • SHA512

      c157f6b36f5c2d714aac2016cc8ef895d866d4bd735871c82384e4af1998e980438175980255f4342c6b3abe3d09b98f8d84a62697e116a642f23b22e061c5e4

    Score
    10/10
    remcosrh1collectionevasionpersistenceratspywarestealerthemidatrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks