Overview

overview

10

Static

static

1

SirtakiQuo...46.exe

windows7-x64

7

SirtakiQuo...46.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    SirtakiQuote No 104-346.exe

  • Size

    1.7MB

  • Sample

    231012-kba83sah87

  • MD5

    119764b23b4ba1669e5e3a2f001d9974

  • SHA1

    d951b8ef60e3c11e0c90761fa0057aa3534df42c

  • SHA256

    e540958829005866e4ecd6e7f1cdf3b5c2f063717a746d4485ff0ed62ccf9e71

  • SHA512

    8c5bea8cbd88766da83d7c95bcaf3cc05b09c82def494bab1f779ffd9958d2459cd23d9ca98711386c8a4fef2ecbf4081dac62adced9a7ebda33643d1c10f175

  • SSDEEP

    49152:d8mdIHHlnWrxywK5/AXx1RPIf44B81jKn/VS5pXw6Qc:d8mdIHHlnWQJKyl+Fl5Qc

Score
10/10
guloaderremcoscrypteddownloaderpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

Crypted

C2

ourt2949aslumes9.duckdns.org:2401

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

    paqlgkfs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    ourvbpld-RBN2WW

  • 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

      SirtakiQuote No 104-346.exe

    • Size

      1.7MB

    • MD5

      119764b23b4ba1669e5e3a2f001d9974

    • SHA1

      d951b8ef60e3c11e0c90761fa0057aa3534df42c

    • SHA256

      e540958829005866e4ecd6e7f1cdf3b5c2f063717a746d4485ff0ed62ccf9e71

    • SHA512

      8c5bea8cbd88766da83d7c95bcaf3cc05b09c82def494bab1f779ffd9958d2459cd23d9ca98711386c8a4fef2ecbf4081dac62adced9a7ebda33643d1c10f175

    • SSDEEP

      49152:d8mdIHHlnWrxywK5/AXx1RPIf44B81jKn/VS5pXw6Qc:d8mdIHHlnWQJKyl+Fl5Qc

    Score
    10/10
    guloaderremcoscrypteddownloaderpersistencerat

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Loads dropped DLL

    • 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

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks