Overview

overview

10

Static

static

3

88885269b4...91.exe

windows7-x64

10

88885269b4...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    88885269b4db455ec1a487c78f199554743e9d1152b876e8cc03cd99e6340491

  • Size

    224KB

  • Sample

    230707-mjc4rahd7y

  • MD5

    9df78bffb685bad609163dcb409f94bf

  • SHA1

    bed934ea2ddc5bcbd971c7f10fb147d74570c7f4

  • SHA256

    88885269b4db455ec1a487c78f199554743e9d1152b876e8cc03cd99e6340491

  • SHA512

    9cc7600d4f49b48727f619a39235697ddf891554134b5ac1b27f68fbc16b1b7fc599a0700d05bfaf182050c3d053fb13d2017bb674981c2a10871760b26017df

  • SSDEEP

    3072:yAwC5wP7dePo8fCcHbbARFdPkw6nDEgyYYkQQrFkCwJZ2REcmVv/qNrPjoKXdU4C:yx/MtGFdxUuk5FkdQ6SRjFXYk8/

Score
10/10
guloaderremcosrawrawdiscoverydownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

rawRaw

C2

coto-ar.com:34087

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-UODPLC

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      88885269b4db455ec1a487c78f199554743e9d1152b876e8cc03cd99e6340491

    • Size

      224KB

    • MD5

      9df78bffb685bad609163dcb409f94bf

    • SHA1

      bed934ea2ddc5bcbd971c7f10fb147d74570c7f4

    • SHA256

      88885269b4db455ec1a487c78f199554743e9d1152b876e8cc03cd99e6340491

    • SHA512

      9cc7600d4f49b48727f619a39235697ddf891554134b5ac1b27f68fbc16b1b7fc599a0700d05bfaf182050c3d053fb13d2017bb674981c2a10871760b26017df

    • SSDEEP

      3072:yAwC5wP7dePo8fCcHbbARFdPkw6nDEgyYYkQQrFkCwJZ2REcmVv/qNrPjoKXdU4C:yx/MtGFdxUuk5FkdQ6SRjFXYk8/

    Score
    10/10
    guloaderremcosrawrawdiscoverydownloaderpersistencerat

    • 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

    • Adds Run key to start application

      persistence

    • 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