Overview

overview

10

Static

static

7

1.exe

windows7_x64

10

1.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1.exewjpfrrtc

  • Size

    2.9MB

  • Sample

    220626-fx4qasgecr

  • MD5

    110bc33bdd915c5738f427019eaacf53

  • SHA1

    089e1d1676bc0d99bbd8233c4673a2abd3e389b8

  • SHA256

    da250da3b237fd0acf29d52066c84d56da4f92e5e854c71b5d6a4d7b121dae9c

  • SHA512

    5960838f53dfc3e9b31d829c6fd1a4d36b3e36d63339fdc73ae70d1fe2c6ee55776e8e7053b5ad06330ed09cbbd07caf606b643469b1d0890dfb81c7477b70a3

Score
10/10
remcosrh1evasionpersistenceratthemidatrojan

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.exewjpfrrtc

    • Size

      2.9MB

    • MD5

      110bc33bdd915c5738f427019eaacf53

    • SHA1

      089e1d1676bc0d99bbd8233c4673a2abd3e389b8

    • SHA256

      da250da3b237fd0acf29d52066c84d56da4f92e5e854c71b5d6a4d7b121dae9c

    • SHA512

      5960838f53dfc3e9b31d829c6fd1a4d36b3e36d63339fdc73ae70d1fe2c6ee55776e8e7053b5ad06330ed09cbbd07caf606b643469b1d0890dfb81c7477b70a3

    Score
    10/10
    remcosrh1evasionpersistenceratthemidatrojan

    • 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

    • Executes dropped EXE

    • 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.

    • Deletes itself

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    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

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks