Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 03:57

General

  • Target

    db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe

  • Size

    1.1MB

  • MD5

    a290d7cec1d2cd6544fa0e315d5e518e

  • SHA1

    e122b7be973e6b69862ff1cca3f4870655e97e02

  • SHA256

    db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b

  • SHA512

    583696f95ef1a827b5e540bf12343912c00cd2fae6135aace6800a601878644bf419303bac0a45d796e3d4655708f4d273637ff8492704a9866d75ce88c17d6e

  • SSDEEP

    24576:/q0qwHvmNKfrhP6W6qh+AasOkie2QBudJ9WamSL:/qqmYfrQWdh3CkvXYdJ9o

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:8080

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-SF7E52

  • 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.

  • Remcos family
  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
    "C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
      "C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2792-25-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-1-0x0000000000920000-0x0000000000A3C000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-2-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-3-0x000000007465E000-0x000000007465F000-memory.dmp

    Filesize

    4KB

  • memory/2792-4-0x0000000074650000-0x0000000074D3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2792-5-0x0000000000610000-0x000000000062C000-memory.dmp

    Filesize

    112KB

  • memory/2792-6-0x000000000A480000-0x000000000A540000-memory.dmp

    Filesize

    768KB

  • memory/2792-0-0x000000007465E000-0x000000007465F000-memory.dmp

    Filesize

    4KB

  • memory/2804-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-9-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-22-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-7-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2804-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB