Overview

overview

10

Static

static

3

Прило...23.exe

windows7-x64

7

Прило...23.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd8616bbc2a530ca9659a3b63b0313c20920ac0c2fd3c6f3b1287a3ea490de37

  • Size

    868KB

  • Sample

    230922-n4hemshg43

  • MD5

    299aaa766f0a359d43b651245f088e2d

  • SHA1

    745a62b809c95def1da330d6f704a77ca442eee8

  • SHA256

    fd8616bbc2a530ca9659a3b63b0313c20920ac0c2fd3c6f3b1287a3ea490de37

  • SHA512

    e3abfaf237877e7d7bcc30df8796e48622a21278dd354e8835a8bc6649bed7a05182ef31446eecd59abaebbf5d215a999b8ce47b4581de340571a680cb5a23dc

  • SSDEEP

    24576:afg6WYzFbm5VvJ4THM8Q5hntmXQCltPNDpaGH/VGUjQ:ao6WY5m5Vhm5MhtWlgGH/jQ

Score
10/10
guloaderremcosxwormcrypteddownloaderpersistencerattrojan

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

      Приложение №1 на АИ-FOB Кавказ_сентябрь-октябрь 2023.exe

    • Size

      890KB

    • MD5

      5741f12af0f989bd145f21dd9a62d652

    • SHA1

      10d30c251b92ecc3bc7a0e3a8e0c86b2bf484ad4

    • SHA256

      f7c4c713d4596ea0b8d544916de1bb1ba87d97b4c36343056f5172b6594713a8

    • SHA512

      a1e911375cbe72a8d53fff029980f3f808f6485a48869439aa9f34409124503c4d7fb568a375cdc320e4eda618503b792090334a9b6b9ccfb686bd13e4c1f7f0

    • SSDEEP

      24576:eq7JcjVujvxYTHk8g55pdmlKCl99NDpKGN/VcUNK:V7uS5Gx85vClWGNNNK

    Score
    10/10
    guloaderremcosxwormcrypteddownloaderpersistencerattrojan

    • Detect Xworm Payload

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Remcos

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

      ratremcos

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks