Overview

overview

10

Static

static

1

b30bb2c677...c6.vbs

windows7-x64

8

b30bb2c677...c6.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    b30bb2c67741afe2a5173337bd2acab5785c408cce2fbb84dc07a3c904f3f3c6.vbs

  • Size

    187KB

  • Sample

    240626-bxj9fayhpj

  • MD5

    71e6ad71e4958df129a87422066d1be1

  • SHA1

    75e5f0176d44782d874e74411d72ec5dbe86660c

  • SHA256

    b30bb2c67741afe2a5173337bd2acab5785c408cce2fbb84dc07a3c904f3f3c6

  • SHA512

    c6217bdc6b15046be438f7367c28b4a1dded02181a0e0579ceba297b0e4cdf4b7256b0ed1e8cada6cb3555bd344d739b166b269b68a05f2e6c391d997b1d7832

  • SSDEEP

    3072:fmN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZV:f08GxbKja3+DCbKCvBB/WnHXC/sLJFJ4

Score
10/10
guloaderremcostomatocollectiondownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

TOMATO

C2

iwarsut775laudrye2.duckdns.org:57484

iwarsut775laudrye2.duckdns.org:57483

iwarsut775laudrye3.duckdns.org:57484

hjnourt38haoust1.duckdns.org:57484
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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    sfvnspt.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    shietgtst-DCUF1K

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b30bb2c67741afe2a5173337bd2acab5785c408cce2fbb84dc07a3c904f3f3c6.vbs

    • Size

      187KB

    • MD5

      71e6ad71e4958df129a87422066d1be1

    • SHA1

      75e5f0176d44782d874e74411d72ec5dbe86660c

    • SHA256

      b30bb2c67741afe2a5173337bd2acab5785c408cce2fbb84dc07a3c904f3f3c6

    • SHA512

      c6217bdc6b15046be438f7367c28b4a1dded02181a0e0579ceba297b0e4cdf4b7256b0ed1e8cada6cb3555bd344d739b166b269b68a05f2e6c391d997b1d7832

    • SSDEEP

      3072:fmN8GGebKjeK3ubth+DCFxKCvBB/WnHPP1w/sLJFJ281QIHz1y8mNy7Ey1MgKTZV:f08GxbKja3+DCbKCvBB/WnHXC/sLJFJ4

    Score
    10/10
    guloaderremcostomatocollectiondownloaderpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • 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.

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks