Overview

overview

10

Static

static

a5dcc0d9f4...39.exe

windows7_x64

10

a5dcc0d9f4...39.exe

windows10_x64

10

Sharing

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General

  • Target

    a5dcc0d9f44de85e8895ebb37aab0639

  • Size

    219KB

  • Sample

    220125-qacy6sgdf6

  • MD5

    a5dcc0d9f44de85e8895ebb37aab0639

  • SHA1

    dec6df7d20dec256a0a5547fb9e4f297b1dd96f7

  • SHA256

    932382f377c00f267e7f102d6fb94aa69d6052302106d3578511e8c70e82bb70

  • SHA512

    986e4a3733ea4340d5a4ec41e6f6d9a8fa67bdf346df7afc375ae201724a5a926405ce6d576745d5dd913132229ebc5fe9fbe551db0dec728d91d4790990afce

Score
10/10
remcoshostmicrosoftpersistencephishingratupx

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

pvtrans.ydns.eu:3030

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    svchost.exe

  • copy_folder

    Microsoft Window Client

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Microsoft Window Clinet

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_oxhfteubwm

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    svchost

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      a5dcc0d9f44de85e8895ebb37aab0639

    • Size

      219KB

    • MD5

      a5dcc0d9f44de85e8895ebb37aab0639

    • SHA1

      dec6df7d20dec256a0a5547fb9e4f297b1dd96f7

    • SHA256

      932382f377c00f267e7f102d6fb94aa69d6052302106d3578511e8c70e82bb70

    • SHA512

      986e4a3733ea4340d5a4ec41e6f6d9a8fa67bdf346df7afc375ae201724a5a926405ce6d576745d5dd913132229ebc5fe9fbe551db0dec728d91d4790990afce

    Score
    10/10
    remcoshostpersistenceratupxmicrosoftphishing

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks