General

  • Target

    Maersk_BL_Invoice_Packinglist.vbs

  • Size

    21KB

  • Sample

    240701-l1mtvaycjj

  • MD5

    1a705e08ebbfa361df84f04cb5f0976e

  • SHA1

    e3091fec2ae95f28824fec928defaa68e63e189f

  • SHA256

    c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f

  • SHA512

    bd6b937c3ad2805cac2eb18c1011634e8b50a5bdd9f7af1bec7251429a7cac5214e33003a3da9e9d198fa362461a15b7d3a937ca6ee323ca20b1d6b22128958e

  • SSDEEP

    384:mlzV6m2So022lGP9V6+s0flKJpl/5ZrE5HVnS0Re7PIx+5lEPmgwwgvNRqeGb3OS:ezSR022X/523S0e8xPPmZMhb

Malware Config

Extracted

Family

remcos

Botnet

Proof007

C2

janbours92harbu02.duckdns.org:3980

janbours92harbu02.duckdns.org:3981

janbours92harbu03.duckdns.org:3980

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

    kpburtts.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    jmoughoe-LDOW5Q

  • 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

      Maersk_BL_Invoice_Packinglist.vbs

    • Size

      21KB

    • MD5

      1a705e08ebbfa361df84f04cb5f0976e

    • SHA1

      e3091fec2ae95f28824fec928defaa68e63e189f

    • SHA256

      c506ac9a87485ac16f09afa8f732f7a72699c6f5db222cb347cf8291f5c27d0f

    • SHA512

      bd6b937c3ad2805cac2eb18c1011634e8b50a5bdd9f7af1bec7251429a7cac5214e33003a3da9e9d198fa362461a15b7d3a937ca6ee323ca20b1d6b22128958e

    • SSDEEP

      384:mlzV6m2So022lGP9V6+s0flKJpl/5ZrE5HVnS0Re7PIx+5lEPmgwwgvNRqeGb3OS:ezSR022X/523S0e8xPPmZMhb

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Remcos

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

    • 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

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks