Overview

overview

10

Static

static

1

2377328ff0...a2.hta

windows7-x64

10

2377328ff0...a2.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2.hta

  • Size

    115KB

  • Sample

    240926-bm3b9s1gmc

  • MD5

    d6a04e7ba31d063b7176e3f9fc96c46a

  • SHA1

    e8929b14ea18c20d4a81ac3faf681031924c9d14

  • SHA256

    2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2

  • SHA512

    81fc9692f3e031cedbfd0623b69b21017504a8376e14ef3ee002b14517e857e45b07191bb84436e1bfebf1fa8fd6a375dc61716bebb253db2e4c015f740424b0

  • SSDEEP

    96:Ea+M7XjJ7GJyXOVKBhqCJgqC8R7JR2JacLZL+dJAcAT:Ea+QXjJaJpKBgVOJEJwdJArT

Score
10/10
remcosremotehostdefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt
exe.dropper

https://ia600100.us.archive.org/24/items/detah-note-v/DetahNoteV.txt

Extracted

Family

remcos

Botnet

RemoteHost

C2

ramcxx.duckdns.org:50312

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-M3P7YT

  • 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

      2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2.hta

    • Size

      115KB

    • MD5

      d6a04e7ba31d063b7176e3f9fc96c46a

    • SHA1

      e8929b14ea18c20d4a81ac3faf681031924c9d14

    • SHA256

      2377328ff0a0b26133c534cb523576567f94d73726102f905e97f813b20a86a2

    • SHA512

      81fc9692f3e031cedbfd0623b69b21017504a8376e14ef3ee002b14517e857e45b07191bb84436e1bfebf1fa8fd6a375dc61716bebb253db2e4c015f740424b0

    • SSDEEP

      96:Ea+M7XjJ7GJyXOVKBhqCJgqC8R7JR2JacLZL+dJAcAT:Ea+QXjJaJpKBgVOJEJwdJArT

    Score
    10/10
    defense_evasiondiscoveryexecutionremcosremotehostrat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks