Overview

overview

10

Static

static

PAYSLP18500USD.xlsx

windows7-x64

10

PAYSLP18500USD.xlsx

windows10-2004-x64

1

Sharing

Copy URL
Twitter E-mail

General

  • Target

    PAYSLP18500USD.xlsx

  • Size

    680KB

  • Sample

    220808-spk97seed5

  • MD5

    93d65d182bdf8a2e9e5d38d1661f3bb7

  • SHA1

    9e21b2b8f08cdaeb810c64762210687ecd1d84df

  • SHA256

    38770a1d7fb564d852c3f22d70f6e4cf3f24a0e5240f96ebf3d2c017af671618

  • SHA512

    1c2c78d4abbc2cadf8620e2105d1474fd1144789ad0c98eb0da9221a8b83742408222c03d71f9a646db40590a1d60441c6258443c1e005085bd49a1abf2deb48

Score
10/10
remcosmekino augpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Mekino Aug

C2

mekremcos23.freedynamicdns.net:2397

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    os.exe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • mouse_option

    false

  • mutex

    Rmc-ZCU1S6

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ecv

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      PAYSLP18500USD.xlsx

    • Size

      680KB

    • MD5

      93d65d182bdf8a2e9e5d38d1661f3bb7

    • SHA1

      9e21b2b8f08cdaeb810c64762210687ecd1d84df

    • SHA256

      38770a1d7fb564d852c3f22d70f6e4cf3f24a0e5240f96ebf3d2c017af671618

    • SHA512

      1c2c78d4abbc2cadf8620e2105d1474fd1144789ad0c98eb0da9221a8b83742408222c03d71f9a646db40590a1d60441c6258443c1e005085bd49a1abf2deb48

    Score
    10/10
    remcosmekino augpersistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks