Overview

overview

10

Static

static

1

d53d34f175...1c.exe

windows7-x64

10

d53d34f175...1c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d53d34f175739008176bb98aa1cfd41c.exe

  • Size

    998KB

  • Sample

    230331-mpceeahc87

  • MD5

    d53d34f175739008176bb98aa1cfd41c

  • SHA1

    2b7244d307b7fe8209bc6874bfb2d11d24886ff8

  • SHA256

    73c4025ffeef1f6c767da566746473c99b0dd93b1a2e1f7d1d5c8b31d29f08f2

  • SHA512

    f6922380d752a656d10065c5b18a1b1c0703ae906ead4b1ac2dc0606eb448b1cbe115b73c79af41848076e7ab03a5dffff5f64a923c346ec799a52110bfff017

  • SSDEEP

    24576:bxeqH+YCtYG6/fXIOC0soC5Qyct5hTxgLeoY93tnvYIEUimX:bxeqH+TenXIOPyc3vgLjY9ZvYI

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • 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

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      d53d34f175739008176bb98aa1cfd41c.exe

    • Size

      998KB

    • MD5

      d53d34f175739008176bb98aa1cfd41c

    • SHA1

      2b7244d307b7fe8209bc6874bfb2d11d24886ff8

    • SHA256

      73c4025ffeef1f6c767da566746473c99b0dd93b1a2e1f7d1d5c8b31d29f08f2

    • SHA512

      f6922380d752a656d10065c5b18a1b1c0703ae906ead4b1ac2dc0606eb448b1cbe115b73c79af41848076e7ab03a5dffff5f64a923c346ec799a52110bfff017

    • SSDEEP

      24576:bxeqH+YCtYG6/fXIOC0soC5Qyct5hTxgLeoY93tnvYIEUimX:bxeqH+TenXIOPyc3vgLjY9ZvYI

    Score
    10/10
    remcosxppersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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