Overview

overview

10

Static

static

11110132.exe

windows7-x64

10

11110132.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8205486124.zip

  • Size

    755KB

  • Sample

    221018-tbeqyagfen

  • MD5

    96fea7f64d15e8988efcf659c3f32605

  • SHA1

    0cb529f2f9114006ee319026ac54add976fcb5d2

  • SHA256

    0c3b24bcd43379e13132e10c726216693c79185229bcec602a16532edec973b0

  • SHA512

    cc703c6f01a9aa4296620b927aa4030c1a0a8b9bf484e5c80e71a159409776341fa6526061f915da4a03b3ea156087435eb767d2ff16898e6d21a9bf53953f10

  • SSDEEP

    12288:AwLAGZzw4i0VTRZpoKsteNNwtgkmsF1BT4kEhpfEIAe49pQtYPd:AAAQJbtPqeNNCgkmItOpMy0JV

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      11110132.EXE

    • Size

      917KB

    • MD5

      066e3ef754707df1015ea3ecdfda156f

    • SHA1

      d47daee600d27a8dc2a3845bc2bfde635cd19216

    • SHA256

      8b5f51bac1e86642f29d33ce68e4ca56edecb6c76c39d936309e6b4c1d1e8554

    • SHA512

      85c4f76d9c9108c3411b2165bab3838193695271b2ad464ccc9f7af44f545a30b185f47914ec68697bd908908db10aa3494f0a8ed804eaee9aec02b05983fc7d

    • SSDEEP

      24576:82cvclO8tWdRHD0j7KCZR5aQMoARfvJqo:87clAHD0j7KCZ/51+h

    Score
    10/10
    remcosxppersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks