Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 02:20

General

  • Target

    b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe

  • Size

    928KB

  • MD5

    2f152c46d438316bf3f0bf69147d3198

  • SHA1

    d7cfbadb49cab8fdbbe536452bce74b7f7a0d74f

  • SHA256

    b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82

  • SHA512

    090198731df32c3bde77a9920e22cc1aa64e184cd3f547e0a00e2d837c7acaa70e9ae730b3b683f3b645a0dab0442dcac7b4e289e6c52e65e336d0229263b98e

  • SSDEEP

    24576:IEOhFc0Szr3X/tuv+KBSh+4TCgIJwYezARFO:IEcWlzrHqqOezw

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.64.152:2559

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-TS121V

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
    "C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
      "C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/224-0-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/224-1-0x0000000000200000-0x00000000002EC000-memory.dmp

    Filesize

    944KB

  • memory/224-2-0x00000000052D0000-0x0000000005874000-memory.dmp

    Filesize

    5.6MB

  • memory/224-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

    Filesize

    584KB

  • memory/224-4-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/224-5-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

    Filesize

    40KB

  • memory/224-6-0x00000000050A0000-0x00000000050B8000-memory.dmp

    Filesize

    96KB

  • memory/224-7-0x000000007516E000-0x000000007516F000-memory.dmp

    Filesize

    4KB

  • memory/224-8-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/224-9-0x0000000005EC0000-0x0000000005F80000-memory.dmp

    Filesize

    768KB

  • memory/224-10-0x0000000006170000-0x000000000620C000-memory.dmp

    Filesize

    624KB

  • memory/224-18-0x0000000075160000-0x0000000075910000-memory.dmp

    Filesize

    7.7MB

  • memory/864-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/864-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB