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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 01:08

General

  • Target

    63e8483b57ff55e73d7c2c3432bb7f7c.exe

  • Size

    7.9MB

  • MD5

    63e8483b57ff55e73d7c2c3432bb7f7c

  • SHA1

    4a3fa272dab1e89642b3529c5dd5e3457ea03b49

  • SHA256

    b07b0d5f18622f1892406e84e739e385fa9077592134729637c4b6966c64c1f3

  • SHA512

    d75298c3d280ed865a66294f7e87e4ba3cc71e807cd5c2dd1fe535c260259ac5abae89da43998389e2509d080ab3ca448d54a22fa9a6b63d6fcc7e8b2c84db59

  • SSDEEP

    98304:Dz16s9EwkidrwQwPdz9u/ZZmDZJErUXQbZT7wIX02kVmH4:Dz16gBrd3gu/XmDZiU0txrH4

Malware Config

Extracted

Family

remcos

Botnet

CAROS

C2

sdfvsdjvniwjbdiweb.con-ip.com:1662

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-14RQ6Q

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63e8483b57ff55e73d7c2c3432bb7f7c.exe
    "C:\Users\Admin\AppData\Local\Temp\63e8483b57ff55e73d7c2c3432bb7f7c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\AppData\Local\Temp\63e8483b57ff55e73d7c2c3432bb7f7c.exe
      "C:\Users\Admin\AppData\Local\Temp\63e8483b57ff55e73d7c2c3432bb7f7c.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    9c574a67bee1a7e3e9dd2ca72dbdeb16

    SHA1

    d1e43c7eb88ba4302587f15f0e821f87f2045ade

    SHA256

    cc2555a17d5c5248f2496661c3e90bf0bdb36e3e5b50ce5416c0e2fe104f014c

    SHA512

    4b7ce744c4f7e3db3c4e9d1c2cdb8df9db55b6a12d6285ad485d667461b11f184de3e9d26ec21077c9883e054503f3ca53371305519c63ba9dc48ac7358c9454

  • memory/2060-0-0x0000000000400000-0x0000000000BF1000-memory.dmp

    Filesize

    7.9MB

  • memory/2060-1-0x0000000000426000-0x0000000000440000-memory.dmp

    Filesize

    104KB

  • memory/2060-2-0x0000000000400000-0x0000000000BF1000-memory.dmp

    Filesize

    7.9MB

  • memory/2060-7-0x0000000000400000-0x0000000000BF1000-memory.dmp

    Filesize

    7.9MB

  • memory/4956-6-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-18-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-8-0x0000000000400000-0x0000000000BF1000-memory.dmp

    Filesize

    7.9MB

  • memory/4956-9-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-12-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-13-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-14-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-15-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-16-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-5-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-3-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

  • memory/4956-25-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-26-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-33-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-34-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-49-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB

  • memory/4956-50-0x00000000000D0000-0x0000000000152000-memory.dmp

    Filesize

    520KB