Overview

overview

10

Static

static

3

8f02ecb265...3c.exe

windows7-x64

9

8f02ecb265...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe

  • Size

    892KB

  • Sample

    240406-bsw3faha38

  • MD5

    636a54861ddd167065f294cc76fca7ba

  • SHA1

    7e3eba28bc4b89801c91de5450aa28da5c6ff941

  • SHA256

    8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c

  • SHA512

    cde7be19fc7fa841d22521a6c5ad01129ff604b2f91c1c16e0da7d91434cd962af25a39c8ab43c14915536b47d652eb2e55cf0fab5178a9553ab0f8f74833fc4

  • SSDEEP

    24576:GgkHhAVqHxUrlWy05hMud6hHERSIhO0RDP+dB8:I2V+Ur6MIMHERSIQ0RDr

Score
10/10
remcosremotehostrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

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-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c.exe

    • Size

      892KB

    • MD5

      636a54861ddd167065f294cc76fca7ba

    • SHA1

      7e3eba28bc4b89801c91de5450aa28da5c6ff941

    • SHA256

      8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c

    • SHA512

      cde7be19fc7fa841d22521a6c5ad01129ff604b2f91c1c16e0da7d91434cd962af25a39c8ab43c14915536b47d652eb2e55cf0fab5178a9553ab0f8f74833fc4

    • SSDEEP

      24576:GgkHhAVqHxUrlWy05hMud6hHERSIhO0RDP+dB8:I2V+Ur6MIMHERSIQ0RDr

    Score
    10/10
    remcosremotehostrat

    • Remcos

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

      ratremcos

    • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks