Overview

overview

10

Static

static

5833f787dd...a0.exe

windows7-x64

10

5833f787dd...a0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5833f787dddcce2a747ec4f26dd223ffb84fed309fc10ab5e3255d2ee44aa5a0

  • Size

    4.9MB

  • Sample

    220724-tlgchsaba4

  • MD5

    1d0f89529b16518569238bd5332ae859

  • SHA1

    937f97dc98e57e8e8b4386a2dd161fea0464cfb8

  • SHA256

    5833f787dddcce2a747ec4f26dd223ffb84fed309fc10ab5e3255d2ee44aa5a0

  • SHA512

    b85ad455c21e41fc3cc503262ce561bd27b115dad8a8adfc57d6f1db1359691ecabfe947555510a248e43ad32e420237a0f2e3458361ef75fe233d8fddbae654

Score
10/10
remcosrem95persistencerat

Malware Config

Extracted

Family

remcos

Version

1.9.5 Pro

Botnet

REM95

C2

casillas.hicam.net:2404

casillasmx.chickenkiller.com:2404

casillas45.hopto.org:2404

casillas.libfoobar.so:2404

du4alr0ute.sendsmtp.com:2404
Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    REM95-DM1QMV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      5833f787dddcce2a747ec4f26dd223ffb84fed309fc10ab5e3255d2ee44aa5a0

    • Size

      4.9MB

    • MD5

      1d0f89529b16518569238bd5332ae859

    • SHA1

      937f97dc98e57e8e8b4386a2dd161fea0464cfb8

    • SHA256

      5833f787dddcce2a747ec4f26dd223ffb84fed309fc10ab5e3255d2ee44aa5a0

    • SHA512

      b85ad455c21e41fc3cc503262ce561bd27b115dad8a8adfc57d6f1db1359691ecabfe947555510a248e43ad32e420237a0f2e3458361ef75fe233d8fddbae654

    Score
    10/10
    remcosrem95persistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks