Overview

overview

10

Static

static

1

96bd8f3d1b...b5.rtf

windows7-x64

10

96bd8f3d1b...b5.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    96bd8f3d1b8badd184f3b8de29a26ab5.rtf

  • Size

    73KB

  • Sample

    240416-t1cymsgd9z

  • MD5

    96bd8f3d1b8badd184f3b8de29a26ab5

  • SHA1

    5bbf4c72f5d2adc0348ac73cc1f70608dd1d554b

  • SHA256

    74b7cbd3c66d01a6e25ccbe17375138c6a32699c61bf170e18ffecd6ebd55237

  • SHA512

    dd8d1208f1954b24f5d2becfafa0ae27824a449486e946e6500a04c23c671a2ebb633b4c6808881003164aec027bd40801093d2b82e8e70f82408be5a2929847

  • SSDEEP

    768:pAkZM0MJPzLsiO293TlJwfhlP528HODEmG0leH18pjHFhV6xjSiUv3TknfBbEGfF:6kZPMhEE2hpfHcEmxleShF2oPIfBbT

Score
10/10
remcosremotehostcollectionpersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

ezege.duckdns.org:14645

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-IVESQI

  • 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

      96bd8f3d1b8badd184f3b8de29a26ab5.rtf

    • Size

      73KB

    • MD5

      96bd8f3d1b8badd184f3b8de29a26ab5

    • SHA1

      5bbf4c72f5d2adc0348ac73cc1f70608dd1d554b

    • SHA256

      74b7cbd3c66d01a6e25ccbe17375138c6a32699c61bf170e18ffecd6ebd55237

    • SHA512

      dd8d1208f1954b24f5d2becfafa0ae27824a449486e946e6500a04c23c671a2ebb633b4c6808881003164aec027bd40801093d2b82e8e70f82408be5a2929847

    • SSDEEP

      768:pAkZM0MJPzLsiO293TlJwfhlP528HODEmG0leH18pjHFhV6xjSiUv3TknfBbEGfF:6kZPMhEE2hpfHcEmxleShF2oPIfBbT

    Score
    10/10
    remcosremotehostcollectionpersistenceratspywarestealer

    • 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

    • 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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Exploitation for Client Execution

1
T1203

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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