Overview

overview

10

Static

static

3

a9df1a3b22...90.exe

windows7-x64

10

a9df1a3b22...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a9df1a3b22a408f630ea9e57fdcce2b8483cb5eac3414b5c172b51ec98178490.exe

  • Size

    998KB

  • Sample

    240409-cb3z4aed9s

  • MD5

    3c799830186bb6a7d63083ba711c551d

  • SHA1

    c6b90d7469836e55207608fe46ca201a83d3aa47

  • SHA256

    a9df1a3b22a408f630ea9e57fdcce2b8483cb5eac3414b5c172b51ec98178490

  • SHA512

    b9719254257581c6648fbe7f3c379326f96a299d6c46bd7870c88917a70fcc1c13f2ca1ed148b42e13958a31b78fc53c9a1a047838aea1ace46e02881bc86494

  • SSDEEP

    12288:ukH6ayww0yNDAooku24inFf7DCwHVr1cErwHJ5Z2r4cdhu6YgX7ZL2OvIpdbMaGv:r6ajKqo+2rnF9SHYkGTX9KOAr/xAP

Score
10/10
remcoshostrat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

37.120.235.114:2269

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-FCA9SV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      a9df1a3b22a408f630ea9e57fdcce2b8483cb5eac3414b5c172b51ec98178490.exe

    • Size

      998KB

    • MD5

      3c799830186bb6a7d63083ba711c551d

    • SHA1

      c6b90d7469836e55207608fe46ca201a83d3aa47

    • SHA256

      a9df1a3b22a408f630ea9e57fdcce2b8483cb5eac3414b5c172b51ec98178490

    • SHA512

      b9719254257581c6648fbe7f3c379326f96a299d6c46bd7870c88917a70fcc1c13f2ca1ed148b42e13958a31b78fc53c9a1a047838aea1ace46e02881bc86494

    • SSDEEP

      12288:ukH6ayww0yNDAooku24inFf7DCwHVr1cErwHJ5Z2r4cdhu6YgX7ZL2OvIpdbMaGv:r6ajKqo+2rnF9SHYkGTX9KOAr/xAP

    Score
    10/10
    remcoshostrat

    • 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