Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 18:52

General

  • Target

    .PRODUCTLIST.PRODUCTTARGET.PRICEPDF.exe

  • Size

    319KB

  • MD5

    695e58e397bdec7543614f795c7e32a3

  • SHA1

    2d1dbd1f2933d912b9ae1951c969084e0d43e8d4

  • SHA256

    c1f260fe7401382d5424657632578f93e4a6704b7592260e89a5b8301446fa20

  • SHA512

    f0fa203c747492cc270a1eed09e68db4dc945a1735724c3f7b152b24cc8b1af1050dfe319da51c5a46d3947cd1c050bf071370e6580406b72dd53997ecbb7ac9

Score
10/10

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

PATO MENE

C2

79.134.225.117:6767

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

    fxcyhf-B8P9VV

  • 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.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\.PRODUCTLIST.PRODUCTTARGET.PRICEPDF.exe
    "C:\Users\Admin\AppData\Local\Temp\.PRODUCTLIST.PRODUCTTARGET.PRICEPDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kuTykYo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB81A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\.PRODUCTLIST.PRODUCTTARGET.PRICEPDF.exe
      "C:\Users\Admin\AppData\Local\Temp\.PRODUCTLIST.PRODUCTTARGET.PRICEPDF.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB81A.tmp
    Filesize

    1KB

    MD5

    ad9cd959ddfbc0cdd4fd222f4821692f

    SHA1

    3de11c8437c9d99e1f913725d4f438526961e099

    SHA256

    8bb3d1f3b2ddea74c8295e518376d2a0b8ab26f430311f50dc9c877323f4f198

    SHA512

    944c3a452f4d7ef24b8e96c3aef87374f2ed9a4354d1357508efe4c6e4d3c4976dbefd025c91c99e87776ad469bab559dc54aee51348efbd523f2c676fb191fe

  • memory/1120-55-0x0000000074C20000-0x00000000751CB000-memory.dmp
    Filesize

    5.7MB

  • memory/1120-54-0x00000000759E1000-0x00000000759E3000-memory.dmp
    Filesize

    8KB

  • memory/1956-61-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-63-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-64-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-65-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-68-0x0000000000413B74-mapping.dmp
  • memory/1956-67-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-71-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/1956-72-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/2016-56-0x0000000000000000-mapping.dmp