Overview

overview

10

Static

static

1

2b52e36459...c5.rtf

windows7-x64

10

2b52e36459...c5.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    2b52e3645953f9c89870ecf02cf7c0c5.rtf

  • Size

    28KB

  • Sample

    230515-hcbvwsfa92

  • MD5

    2b52e3645953f9c89870ecf02cf7c0c5

  • SHA1

    54fbb5afec0ef993f42cdd89692087312e65ffb9

  • SHA256

    8cf00aee74d8472f200018714e866884689c7256f70d5c229232eb16843f6897

  • SHA512

    34521d2d8084f77012216fe55efa3396f33b6827e840456e06acbd547517520581c803f19fdfe6e699ff7a2389a1b0bd0b9a7c02432a84f7349ed2e79a9f146c

  • SSDEEP

    768:wp5oHB4Dc3CFvbXvuQh2U2pHTXKXkWZjd5HL30KNQBUnrsBiwdfaPa3+FUVS5x:C5C4Dc3C9TvuRU2pHbKNZjHz3PrsBpp0

Score
10/10
agentteslaremcosremotehostcollectionkeyloggerratspywarestealertrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

pops.mastercoa.co:39477

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-9R6ZTU

  • 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

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5992710824:AAF1u8jJHAJYeLRXKBJ4VoIVrJtue7y5FVs/

Targets

    • Target

      2b52e3645953f9c89870ecf02cf7c0c5.rtf

    • Size

      28KB

    • MD5

      2b52e3645953f9c89870ecf02cf7c0c5

    • SHA1

      54fbb5afec0ef993f42cdd89692087312e65ffb9

    • SHA256

      8cf00aee74d8472f200018714e866884689c7256f70d5c229232eb16843f6897

    • SHA512

      34521d2d8084f77012216fe55efa3396f33b6827e840456e06acbd547517520581c803f19fdfe6e699ff7a2389a1b0bd0b9a7c02432a84f7349ed2e79a9f146c

    • SSDEEP

      768:wp5oHB4Dc3CFvbXvuQh2U2pHTXKXkWZjd5HL30KNQBUnrsBiwdfaPa3+FUVS5x:C5C4Dc3C9TvuRU2pHbKNZjHz3PrsBpp0

    Score
    10/10
    agentteslaremcosremotehostcollectionkeyloggerratspywarestealertrojan

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

      keyloggertrojanstealerspywareagenttesla

    • Remcos

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

      ratremcos

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Accesses Microsoft Outlook profiles

      collection

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks