Overview

overview

10

Static

static

5

e813b824b2...fd.exe

windows7-x64

10

e813b824b2...fd.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06-09-2024 01:52

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General

  • Target

    e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd.exe

  • Size

    1.3MB

  • MD5

    6f08daf72f8c43925d335bf0d49d4708

  • SHA1

    7cd93559bad31f403ec423f238f74d518dbebe48

  • SHA256

    e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd

  • SHA512

    be4180b053c16a11d21e30953c801cb356a2728664037cbfa26eb2741a5fc226841679ce9dc26a96ffbcfaf938b92aff7a2883551ebe140ada058af554bfa94c

  • SSDEEP

    24576:oqDEvCTbMWu7rQYlBQcBiT6rprG8aTXIgQE2jYu40RL3pmQv1oqO:oTvC/MTQYxsWR7aTviY12tv1oq

Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.osiman.fun:2404

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-MF77YB

  • 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.

    ratremcos
  • 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
  • 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.

    discovery
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 19 IoCs
  • Suspicious use of SendNotifyMessage 19 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd.exe
    "C:\Users\Admin\AppData\Local\Temp\e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\directory\name.exe
      "C:\Users\Admin\AppData\Local\Temp\e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2856
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\remcos\logs.dat
    Filesize

    144B

    MD5

    7f15b7accce6c3b2575790f129576781

    SHA1

    17780c1c94d9879b846a55b3bbf6f95564214605

    SHA256

    28a9a0c92d3503f9c257082107a34b0d5fe30892a20194f806521948e5af5ac9

    SHA512

    4617bf4dd1b1597457e14c4b49403e7ae6d6edfa0be95e2627969948aef4912b46f5241779e19ceed40d372c58a2998d6f8b989bbe1ba6f450560112cc2786f4

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\bankrupture
    Filesize

    84KB

    MD5

    2db8171fbd634a7fa0e9f7d8ef1162e8

    SHA1

    98415b1aebe12735b25e7aeba116ef3a432f68af

    SHA256

    10d925b0b3ee94ea27466f36d6f7b7f701ca8016338632a3de541af14d499fc2

    SHA512

    8dc011a09d1ca25b55f7385d640fa84620a6e505c1e46fed8b94ad6bc62d0ddd84bc4b2bd26e07f5bf6f7f8e3c2a27cc705e60b58b0212c81d05da2973ecaf64

    Download Submit

  • \Users\Admin\AppData\Local\directory\name.exe
    Filesize

    1.3MB

    MD5

    6f08daf72f8c43925d335bf0d49d4708

    SHA1

    7cd93559bad31f403ec423f238f74d518dbebe48

    SHA256

    e813b824b28bb1c4307a715fa97927fee29f360bc2aaec418802b4c3ea66c3fd

    SHA512

    be4180b053c16a11d21e30953c801cb356a2728664037cbfa26eb2741a5fc226841679ce9dc26a96ffbcfaf938b92aff7a2883551ebe140ada058af554bfa94c

    Download Submit

  • memory/2060-32-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2060-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2060-35-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2060-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2060-39-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2060-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2212-11-0x0000000000190000-0x0000000000194000-memory.dmp

    Filesize

    16KB

    Download