Overview

overview

10

Static

static

1

PO 00759411.exe

windows7-x64

10

PO 00759411.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    PO 00759411.exe

  • Size

    717KB

  • Sample

    230425-k6jhyahe99

  • MD5

    8b95bfa95fe71502a5aa0f4a2c8a4057

  • SHA1

    cd162d754540a4a6083c3ab9ed1876749c7d87a3

  • SHA256

    158aae7be7b74ab461bb3afcb61d9385f7122ae86c89a32b33312be7d7ce3ec3

  • SHA512

    7ca8363fba2a01b23dd9ea669582ef7d9b04b9b6f7a2fe3fb09d4277cb435ea473473501be8ad7f41bd76264a861f0375d026a3327e3b051cccaca22a699359b

  • SSDEEP

    12288:bzt8QKGxDs2ePvIrxWOgSYJSFj4/uceTCEd1Gx7giPn8Ybtd58nnfy8sMYVM/a:bzKQRxA2kIrZPYJCYm1GhFf8YbtQnKVN

Score
10/10
guloaderremcosremotehostdiscoverydownloaderrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

155.94.185.15:2404

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-FUG8H1

  • 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

Targets

    • Target

      PO 00759411.exe

    • Size

      717KB

    • MD5

      8b95bfa95fe71502a5aa0f4a2c8a4057

    • SHA1

      cd162d754540a4a6083c3ab9ed1876749c7d87a3

    • SHA256

      158aae7be7b74ab461bb3afcb61d9385f7122ae86c89a32b33312be7d7ce3ec3

    • SHA512

      7ca8363fba2a01b23dd9ea669582ef7d9b04b9b6f7a2fe3fb09d4277cb435ea473473501be8ad7f41bd76264a861f0375d026a3327e3b051cccaca22a699359b

    • SSDEEP

      12288:bzt8QKGxDs2ePvIrxWOgSYJSFj4/uceTCEd1Gx7giPn8Ybtd58nnfy8sMYVM/a:bzKQRxA2kIrZPYJCYm1GhFf8YbtQnKVN

    Score
    10/10
    guloaderremcosremotehostdiscoverydownloaderrat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks