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Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2024, 05:34

General

  • Target

    a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe

  • Size

    1.1MB

  • MD5

    86e5451f3367e6580295e46b33d3d8ea

  • SHA1

    b27ac49886349182a8f3cb9cdd7eaed0438ba3a3

  • SHA256

    a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49

  • SHA512

    1b0bfc3df08ef499b2c1d7d24f9e31a027c98592645512d73cd58b50f12d52fda4a1287a7a61e6e7ce63a418db393c3546586ea6bf043e8a9de873a2e0ac85eb

  • SSDEEP

    12288:P2yGdJI1QkIO0QRBajzGStJLkGwiAlVXAjxfkc14c1ZTii1/RwCmcJwAFxrXbqs8:PfOiavjzGStJLXwiyAjxfkcacLOxjA4

Score
10/10

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

10

C2

duckdne7832732.duckdns.org:1718

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-RN68N0

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • Remcos family
  • 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 2 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe
    "C:\Users\Admin\AppData\Local\Temp\a1477a2f05552a89c24ca286f54cdded4b87694302d3d8af2f5cf9dbd7d3ae49.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VuYmmGpWGSWON" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32D3.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp32D3.tmp

    Filesize

    1KB

    MD5

    6aa6ff7a8f596daf7c13f072509d2789

    SHA1

    664e640769d007621bff55099c20a3c793a04cc2

    SHA256

    c97ccba91af0a6292f051071e8dd31071bfec4ff07f9cda2e80a797d914e9dee

    SHA512

    48240cc27237528b2ec6a3a2e16c9b53cbabec26cc7ed5f485258631c58ad973495512f30ce1da533e48d606523ba415a669baa0870f91c79fcc8c5ad0de7a34

  • C:\Users\Admin\AppData\Roaming\remcos\logs.dat

    Filesize

    74B

    MD5

    2c37d363ab76ababd52577823730eb44

    SHA1

    7fea3274e7d445efef7df2d010552ddd69c5c05a

    SHA256

    428e31c45503f4ee6c4d4a26f1dd17123067049368a66ddfda15807ae83c16a8

    SHA512

    ed6c54028573112b977b1ca8849445d5a87b78103f25739da98dc145a3dcfa6042cb7e8255bd4a40aa13856f11b483d07b21af4fce264ca32c715409286fc1ec

  • memory/2232-27-0x00000000747B0000-0x0000000074E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-1-0x00000000013A0000-0x00000000014B2000-memory.dmp

    Filesize

    1.1MB

  • memory/2232-2-0x00000000747B0000-0x0000000074E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-3-0x00000000001E0000-0x00000000001EA000-memory.dmp

    Filesize

    40KB

  • memory/2232-4-0x00000000747BE000-0x00000000747BF000-memory.dmp

    Filesize

    4KB

  • memory/2232-5-0x00000000747B0000-0x0000000074E9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2232-6-0x0000000005070000-0x00000000050E2000-memory.dmp

    Filesize

    456KB

  • memory/2232-7-0x0000000001040000-0x0000000001066000-memory.dmp

    Filesize

    152KB

  • memory/2232-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

    Filesize

    4KB

  • memory/3044-17-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3044-16-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-15-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-13-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-14-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-22-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-23-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-26-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-20-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB

  • memory/3044-11-0x0000000000400000-0x0000000000421000-memory.dmp

    Filesize

    132KB