Overview

overview

10

Static

static

8

PAYMENT_AD...WF.xls

windows7-x64

10

PAYMENT_AD...WF.xls

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    PAYMENT_ADVICE_2210008WF.xls

  • Size

    123KB

  • Sample

    220810-w1r4nsfea5

  • MD5

    7eeb6c4c06e2b7f1b61dcbcc5ed1cf2f

  • SHA1

    77d637d3c716cbc95626efb9483bc9e39d34e765

  • SHA256

    4f3eca65d342de5bb3f92364f8639d1c492d450cdeff7e69583a198e3ade465c

  • SHA512

    7983cc21f3203999f315c6ea1ebf30e47903624fb830aaf253234d69f62212134c3bc4cbd2ebe6ba55ea4df91680522b4019142ca3612dcb3b5a76681642cc0f

Score
10/10
remcosaugcollectionmacromacro_on_actionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

Aug

C2

topboysully.dvrlists.com:10171

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Aug-MR3KZU

  • 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

      PAYMENT_ADVICE_2210008WF.xls

    • Size

      123KB

    • MD5

      7eeb6c4c06e2b7f1b61dcbcc5ed1cf2f

    • SHA1

      77d637d3c716cbc95626efb9483bc9e39d34e765

    • SHA256

      4f3eca65d342de5bb3f92364f8639d1c492d450cdeff7e69583a198e3ade465c

    • SHA512

      7983cc21f3203999f315c6ea1ebf30e47903624fb830aaf253234d69f62212134c3bc4cbd2ebe6ba55ea4df91680522b4019142ca3612dcb3b5a76681642cc0f

    Score
    10/10
    remcosaugcollectionratspywarestealer

    • 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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • 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

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks