Overview

overview

10

Static

static

1

Lectura de cargos.exe

windows7-x64

10

Lectura de cargos.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Lectura de cargos.tbz

  • Size

    720KB

  • Sample

    230328-jf78yabd81

  • MD5

    6889b6a643701a10bf96e8019e4a5735

  • SHA1

    f74e6a2779e8d1f30ec3ae03dad853622aedb49c

  • SHA256

    aa748b98c46829a83c87bb11003e7c74a09ddb442f288d721653740f4350ed76

  • SHA512

    0b0ff5849a9f75c7a64dd1102857973142aca54c01eab7cf16e34502de2e4f9f16fc71f486e5b1c9ae78ae888f99cd372480b3f9446238f792d0627a74f6ea09

  • SSDEEP

    12288:cB9+Rr4ON6FjY2InBG3yCZ43NZ64OLvgAdtdz/Q0rXzPqLGphTJwU26wLOgOS16:cBoRrlRQiLmJ79brXzSqPJwU2TESo

Score
10/10
remcos21-marzorat

Malware Config

Extracted

Family

remcos

Botnet

21-marzo

C2

20.38.13.217:2524

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-KUGK7N

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Lectura de cargos.exe

    • Size

      420.0MB

    • MD5

      3699f52d9d6cf60fcf8cfc3b2594d0a6

    • SHA1

      90a772e4d65d65dfcd7673de798180dbdf143ea2

    • SHA256

      4b49dcfe526fbd91184caa931c60b6e430c72ddd0b05b1df3ffa855bebf9499b

    • SHA512

      1549f3e6df361332077fdf4740b7b3aa5bd8a986470d847ed5b53899427bb2d7bc10dd8bb6dbe479cc86731280ce354cdf65c51b7df61336a4638f1a810b3093

    • SSDEEP

      12288:sixvWiHIG85ZOTahHYByyT/0rrdmPLxUkol6F6yayQXm0kWqJbYyM2NoqA0:PWi0gQly5NxO6VayL0ktb3nNPl

    Score
    10/10
    remcos21-marzorat

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks