Overview

overview

10

Static

static

8

2d4a680406...85.xls

windows7-x64

10

2d4a680406...85.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    2d4a68040636244e5ebd896dbba1855cf45b0f937ed891ab8d538399e2c4a985.xls

  • Size

    33KB

  • Sample

    221019-qqa5hsacbq

  • MD5

    6a6dfa3372ae6b8d0e9fa9024f37af9e

  • SHA1

    96982f4735e46d13c42e7a74ceaa6bf389aacf14

  • SHA256

    2d4a68040636244e5ebd896dbba1855cf45b0f937ed891ab8d538399e2c4a985

  • SHA512

    df093ca466204ac9239c5b02974edab4f11b0bfd2fd670cfeb95b1fa23195553e8f412220f6f9b11c30108cc541f80edbdebb52b8a37c0d46288faf07cec15ef

  • SSDEEP

    768:mgk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJj0f26Z:Nk3hOdsylKlgxopeiBNhZFGzE+cL2kdL

Score
10/10
remcostampabaymacromacro_on_actionrat

Malware Config

Extracted

Family

remcos

Botnet

tampabay

C2

zelthin.dvrlists.com:6268

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-MOJ319

  • 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

      2d4a68040636244e5ebd896dbba1855cf45b0f937ed891ab8d538399e2c4a985.xls

    • Size

      33KB

    • MD5

      6a6dfa3372ae6b8d0e9fa9024f37af9e

    • SHA1

      96982f4735e46d13c42e7a74ceaa6bf389aacf14

    • SHA256

      2d4a68040636244e5ebd896dbba1855cf45b0f937ed891ab8d538399e2c4a985

    • SHA512

      df093ca466204ac9239c5b02974edab4f11b0bfd2fd670cfeb95b1fa23195553e8f412220f6f9b11c30108cc541f80edbdebb52b8a37c0d46288faf07cec15ef

    • SSDEEP

      768:mgk3hOdsylKlgxopeiBNhZFGzE+cL2kdAJj0f26Z:Nk3hOdsylKlgxopeiBNhZFGzE+cL2kdL

    Score
    10/10
    remcostampabayrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks