Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 20:34

General

  • Target

    762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe

  • Size

    914KB

  • MD5

    65a2ae161536afe861d87a96d917e390

  • SHA1

    c08dda60fdbc7b4fc1b85f2c6eee940f6fe404a4

  • SHA256

    762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0

  • SHA512

    ec260c5cf1ff1c1e4693a96cb5816f796941b0e19310d089c483a88ee4758b036f07fa3985193eee88715f51a69211f0ac9404beb7d0e783fa72e2a8804ffdfd

  • SSDEEP

    12288:Ednlt51J9D3Kj/2eD0hTvapNvrMllghG31BkuAsTXsBgshGm0Bb9hkoAx0DFdO2b:G51JN0Jyb0MEhGFONjhGxBbAfqDFdOb

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:2080

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-WOJOLL

  • 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\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe
    "C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe
      "C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/704-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/704-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3152-18-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-6-0x0000000006780000-0x0000000006792000-memory.dmp

    Filesize

    72KB

  • memory/3152-1-0x0000000000340000-0x000000000042A000-memory.dmp

    Filesize

    936KB

  • memory/3152-10-0x0000000009330000-0x00000000093CC000-memory.dmp

    Filesize

    624KB

  • memory/3152-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/3152-9-0x0000000006C30000-0x0000000006CF2000-memory.dmp

    Filesize

    776KB

  • memory/3152-8-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-7-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/3152-5-0x0000000004E10000-0x0000000004E1A000-memory.dmp

    Filesize

    40KB

  • memory/3152-4-0x0000000074C50000-0x0000000075400000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

    Filesize

    584KB

  • memory/3152-2-0x0000000005400000-0x00000000059A4000-memory.dmp

    Filesize

    5.6MB