Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 02:36

General

  • Target

    80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe

  • Size

    1.0MB

  • MD5

    3ac5c2f48370ff445ffb4f99c94014af

  • SHA1

    275c43f16565d071d0683471c3b6fd68d20fbbe2

  • SHA256

    80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7

  • SHA512

    554258bf14b235fb229cb28778b1d1a5715c1c74c128c6f955567a00345e8e1c0736520649be9f8d02907aca838d018c55a5cf4f4cb27be119e8f7977a9b0504

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCDH1MJ55AxaiKDeLRR:7JZoQrbTFZY1iaCLQ56aifT

Malware Config

Extracted

Family

remcos

Botnet

OCT 28

C2

myhost001.myddns.me:9373

103.161.133.98:4804

103.161.133.98:9373

myhost001.myddns.me:4804

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-47R6I4

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe
    "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\enterogenous\turbinals.exe
      "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    1fa4f458794eeef4adb8e18cc96ba34d

    SHA1

    2706570cc9d82272458155acdacd8e9e2b89c3d7

    SHA256

    0b8202796e1e25945c7b1a136fbd941044e056b7b31835cf7627ecd41a590eff

    SHA512

    df634d6a2336d02849b7bc7464de3809a9b03046b7d5f3a556436ee5a47f4b96aebd3db32aad3c79a42f59a7be3e9dc06d8dfb2b5da5b2b85cb835b4839ee1de

  • C:\Users\Admin\AppData\Local\Temp\outbluffed

    Filesize

    469KB

    MD5

    e61f842fcbf6cd5c1c4c51ac72f723b1

    SHA1

    5aba61a4ef5a08aa1d5ad5d8f53ed17c360655c8

    SHA256

    66c9e3d3b093b84cb142232d8cc4007ac17bc1d3457a7d3b78f86d28d653bd6d

    SHA512

    5d2aa8a3b53a65d0ffaf219b898617ffac60204bfe58577b95c0b2e43a7398c1926f9acb4be18995e9e107a77c4a12ed6d1781408a849163f45f41381ec3ebbb

  • C:\Users\Admin\AppData\Local\Temp\overfertilize

    Filesize

    174KB

    MD5

    32ec591fa73cb29e3771a6515d1cddf6

    SHA1

    5713e17a805078d30c343670c3e73623f19b36b2

    SHA256

    9168093424ff90ffc69232e9cfd3cf137de4bdb8cb935deea45f5a693d6386aa

    SHA512

    4c1455cc93e04f6576430aee4b2058141cd64b6355ac2f51c1b47269e8426eae81ee931ddbfb8d77a352244bd076fd70e8118dfc53b0c656b4e3e442e2a2784c

  • \Users\Admin\AppData\Local\enterogenous\turbinals.exe

    Filesize

    1.0MB

    MD5

    3ac5c2f48370ff445ffb4f99c94014af

    SHA1

    275c43f16565d071d0683471c3b6fd68d20fbbe2

    SHA256

    80d9d24c7cfd67002614e2f5a212175946386f889eddda66f6e7a423f9bbf8f7

    SHA512

    554258bf14b235fb229cb28778b1d1a5715c1c74c128c6f955567a00345e8e1c0736520649be9f8d02907aca838d018c55a5cf4f4cb27be119e8f7977a9b0504

  • memory/2752-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2752-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2828-11-0x00000000002E0000-0x00000000003E0000-memory.dmp

    Filesize

    1024KB

  • memory/3064-31-0x0000000000280000-0x0000000000380000-memory.dmp

    Filesize

    1024KB