Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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 13 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:2752
    • C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe
      "C:\Users\Admin\AppData\Local\Temp\b22f032935d1ecabe852ea8f41bc541c19367c380ba2f502b398f3fc8b775e82.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2664-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-8-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-45-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-44-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-43-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-41-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-40-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-9-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2664-39-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2752-1-0x0000000000940000-0x0000000000A2C000-memory.dmp

    Filesize

    944KB

  • memory/2752-4-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2752-31-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2752-6-0x0000000004F70000-0x0000000005030000-memory.dmp

    Filesize

    768KB

  • memory/2752-5-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2752-0-0x000000007433E000-0x000000007433F000-memory.dmp

    Filesize

    4KB

  • memory/2752-3-0x0000000000470000-0x0000000000488000-memory.dmp

    Filesize

    96KB

  • memory/2752-2-0x0000000074330000-0x0000000074A1E000-memory.dmp

    Filesize

    6.9MB