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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
    31/08/2024, 02:07

General

  • Target

    f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe

  • Size

    939KB

  • MD5

    ca4ccb77c304e8074abd359dd086ede4

  • SHA1

    4a17bc625d34ccde78a62db109877f8e9d808d70

  • SHA256

    f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1

  • SHA512

    f2ee3df238385bcadb32dd658330e825252de969d8a1e24a0457e8f7268c362d8c73420f2e062e920d6a3e975f2b74a091475a63e0150837af9e013a674a71f2

  • SSDEEP

    24576:kEbp9p29m6p2SxSrExb5Ag+PmiCix5InZg0SO:Xl90X8Axb5Ag+Pm7O5Ie0SO

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:2404

67.207.161.204:2404

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-ZA03K9

  • 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\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
    "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe
      "C:\Users\Admin\AppData\Local\Temp\f127eced7a835fecf3453bcb307040fb4e91bfc0c63983d2a8d6c0dd72a4e5c1.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2856-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-39-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-40-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2856-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4436-8-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-18-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-10-0x0000000006990000-0x0000000006A2C000-memory.dmp

    Filesize

    624KB

  • memory/4436-9-0x00000000066C0000-0x0000000006780000-memory.dmp

    Filesize

    768KB

  • memory/4436-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

    Filesize

    4KB

  • memory/4436-7-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

    Filesize

    4KB

  • memory/4436-6-0x00000000082A0000-0x00000000082B8000-memory.dmp

    Filesize

    96KB

  • memory/4436-5-0x0000000005790000-0x000000000579A000-memory.dmp

    Filesize

    40KB

  • memory/4436-4-0x0000000074ED0000-0x0000000075680000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-3-0x0000000005560000-0x00000000055F2000-memory.dmp

    Filesize

    584KB

  • memory/4436-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

    Filesize

    5.6MB

  • memory/4436-1-0x0000000000BD0000-0x0000000000CC0000-memory.dmp

    Filesize

    960KB