Overview

overview

10

Static

static

1

Offer ZI-0428.rtf

windows7-x64

10

Offer ZI-0428.rtf

windows10-1703-x64

1

Offer ZI-0428.rtf

windows10-2004-x64

1

Offer ZI-0428.rtf

windows11-21h2-x64

1

Resubmissions

01-07-2024 12:39

240701-pvt8hssbpd 10

01-07-2024 11:57

240701-n4kvrstdkn 4

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General

  • Target

    Offer ZI-0428.doc

  • Size

    293KB

  • Sample

    240701-pvt8hssbpd

  • MD5

    dde9d7d091ac0cc1d35515d259d8ca6f

  • SHA1

    c6e943143771fc3fd7c2c548f5fddcd6013d9302

  • SHA256

    95be57795b850e5aa098c80a107bafdb581da7653d9b57b8f2d37b89880de224

  • SHA512

    04f282c1b0333925454b7ab1c461c4ae395b0b8148bc6d51fd36368db2dc187daa6d273177d4ad15b50ede52bacf6271062dab70d45b871c8f805a8083844995

  • SSDEEP

    6144:4GuqGuqGuqGuqGuqGuqGuqGuqGuqGu9tNcTr:4

Score
10/10
remcosspitttcollectionexecutionratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

sPITTT

C2

antfly50.sytes.net:1980

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-BW3KDF

  • 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

      Offer ZI-0428.doc

    • Size

      293KB

    • MD5

      dde9d7d091ac0cc1d35515d259d8ca6f

    • SHA1

      c6e943143771fc3fd7c2c548f5fddcd6013d9302

    • SHA256

      95be57795b850e5aa098c80a107bafdb581da7653d9b57b8f2d37b89880de224

    • SHA512

      04f282c1b0333925454b7ab1c461c4ae395b0b8148bc6d51fd36368db2dc187daa6d273177d4ad15b50ede52bacf6271062dab70d45b871c8f805a8083844995

    • SSDEEP

      6144:4GuqGuqGuqGuqGuqGuqGuqGuqGuqGu9tNcTr:4

    Score
    10/10
    remcosspitttcollectionexecutionratspywarestealer

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Exploitation for Client Execution

1
T1203

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks