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Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 17:10

General

  • Target

    51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe

  • Size

    1.2MB

  • MD5

    3ea9a35d375b51a9c6b6a5e2f33aedab

  • SHA1

    c5556b95abfbaefa4e9e4495ddb38d21994f3791

  • SHA256

    51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636

  • SHA512

    8088e7f066ee95caf66fb73ac68a0fe8d0394eaa3926585250eec1ca0f57e8ec1803a8c4996da7a431ed83d3713a78822a06c68e551595fa8f3f4232d995966f

  • SSDEEP

    24576:/yVdVyi9zi02fi1jppTvCkV0uf5ZmH1OvVzPMCwbM:/g9uo5vCkCua1szU

Malware Config

Extracted

Family

remcos

Botnet

LBLOW

C2

64.188.26.202:1604

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Vexploio.exe

  • copy_folder

    Vexplo

  • 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-TLDR4C

  • 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.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
    "C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe
      "C:\Users\Admin\AppData\Local\Temp\51140bec1d515183c335c97f8fd633a4d2624b17125a84c8e4b8dba2603e3636.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/808-0-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/808-1-0x0000000000AA0000-0x0000000000BDE000-memory.dmp

    Filesize

    1.2MB

  • memory/808-2-0x0000000000A20000-0x0000000000A64000-memory.dmp

    Filesize

    272KB

  • memory/808-3-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/808-4-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/808-5-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/808-6-0x0000000000410000-0x000000000042A000-memory.dmp

    Filesize

    104KB

  • memory/808-7-0x00000000003C0000-0x00000000003C6000-memory.dmp

    Filesize

    24KB

  • memory/808-26-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2848-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-10-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-9-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2848-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-8-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-30-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2848-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB