Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-11-2024 04:02

General

  • Target

    f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3.exe

  • Size

    922KB

  • MD5

    e5e0751344586ce05049a64737b3153b

  • SHA1

    a496cd1b4582983ae5dbfd66bc8909cbc278bceb

  • SHA256

    f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3

  • SHA512

    16d1e0fa127b668e707fa866787a56e4a6c2fd02bc1fb252c9536ba8176a83d94e5208ddf9be90c5bf7b61d51ceebd22a3452ede6eb20858e3ee72b8b08bbcd5

  • SSDEEP

    24576:yBfJj94G/6rElS6BA0OW6WEN9goUIxCZm74qLi:ARj94uBz3OWEQqCZm74mi

Malware Config

Extracted

Family

remcos

Botnet

LoneWolf

C2

odumegwu.duckdns.org:51525

odumeje1.duckdns.org:51525

odumeje.duckdns.org:51525

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-3DX9QW

  • 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
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3.exe
    "C:\Users\Admin\AppData\Local\Temp\f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Users\Admin\AppData\Local\Temp\f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3.exe
      "C:\Users\Admin\AppData\Local\Temp\f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    21b89e73f75047bb3cee7a774cc87882

    SHA1

    9cbfaa0b44343d089fca6a05ee566f1ab3c99dc6

    SHA256

    00bf58ed5d1e8c0d46fafeab530caa81d5c34d3058aac33811bd098a1ec29cc2

    SHA512

    53121c7b3e5ebcbb95cc8063cb4c4935f950b0b154a17e3392e5aa6ad7a306ee01a3850287f958b877ce2eff88d15048e3cd1b752fea39131b46b842adabcde9

  • C:\Users\Admin\AppData\Local\Temp\nsc9992.tmp\System.dll

    Filesize

    12KB

    MD5

    12b140583e3273ee1f65016becea58c4

    SHA1

    92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    SHA256

    014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    SHA512

    49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    1B

    MD5

    8ce4b16b22b58894aa86c421e8759df3

    SHA1

    13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

    SHA256

    8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

    SHA512

    2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    2B

    MD5

    25bc6654798eb508fa0b6343212a74fe

    SHA1

    15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

    SHA256

    8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

    SHA512

    5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    4B

    MD5

    cde63b34c142af0a38cbe83791c964f8

    SHA1

    ece2b194b486118b40ad12c1f0e9425dd0672424

    SHA256

    65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

    SHA512

    0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    6B

    MD5

    50484c19f1afdaf3841a0d821ed393d2

    SHA1

    c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

    SHA256

    6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

    SHA512

    d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    7B

    MD5

    67cfa7364c4cf265b047d87ff2e673ae

    SHA1

    56e27889277981a9b63fcf5b218744a125bbc2fa

    SHA256

    639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

    SHA512

    17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    9B

    MD5

    2b3884fe02299c565e1c37ee7ef99293

    SHA1

    d8e2ef2a52083f6df210109fea53860ea227af9c

    SHA256

    ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

    SHA512

    aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    12B

    MD5

    558ec0e73952eb4a395e7f17eb69221e

    SHA1

    d1cb97bfc8d9fad9eab7d19e685029b5f7084709

    SHA256

    4d8a1cb0f83d824cec9e15e4d45605ed2cc92ae959602d0cc8873b0125d4cd74

    SHA512

    698fb90fadb2b22ce78f874dac04c2f0bf72340d39f135e7736afdb9a9b28c9c55a8c6c9f871676134e6d057a90afc2944d1f1e8a117cc0f7a90c8d9b60c5dbe

  • C:\Users\Admin\AppData\Local\Temp\nsn9B0B.tmp

    Filesize

    31B

    MD5

    9d5fb604b64c70558ec5df8a8eec43df

    SHA1

    a0faa55ece4203c9371516957eb95a53c2972fc9

    SHA256

    1afde707b0dbff68e1bc0bbc9554c28ebf81e85fecf7976f350d4a61b30fdb87

    SHA512

    8c1186c92d0bb120634b84af8c0e92bdb1aa4ae1f60675ab494dbae94e4449eaa7ad2af33be2520976f32bb81c57511fd980708f5d8d5d6f0d1ca636b811ed0b

  • C:\Users\Admin\AppData\Local\Temp\nss99A3.tmp

    Filesize

    15B

    MD5

    aec87a5b696e973fd725cfd7fccef0bb

    SHA1

    4c0cd9bd8adbc7ad00627bc192c73d3aa23f0f02

    SHA256

    a48c987be1252d84c855810b44ad498f5ab67b9b8bfea471b0e1ec5a7f480fc9

    SHA512

    8cf3daf380683412911f7d0719c48a9ffa313d09016f6c811f41a16416ad0c3abba2cd34a57ca912ca1853b12665824732a480ec15f127a33aa1476d7479d499

  • C:\Users\Admin\AppData\Local\Temp\nss99A3.tmp

    Filesize

    44B

    MD5

    a34dd33a1fabfd2c2a268ca5dafab94f

    SHA1

    4d321237095816d8ad7a3e8c16154286bcb161e9

    SHA256

    dfc902cecc7c8eba5bd0d37e27541823ba74c67ac26cd263568f9b4880ab6f1b

    SHA512

    e22f1a71835ce0fd8add953d182b1999f65db2c8c434beadc7e1db39dda17ddf669c8bd2ba266b17c0b6eac4cf44480b307b17fbc32b1521a505c49bab5af7fe

  • C:\Users\Admin\AppData\Local\Temp\nss99A3.tmp

    Filesize

    52B

    MD5

    5d04a35d3950677049c7a0cf17e37125

    SHA1

    cafdd49a953864f83d387774b39b2657a253470f

    SHA256

    a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

    SHA512

    c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

  • C:\Users\Admin\AppData\Local\Temp\nst9C64.tmp

    Filesize

    8B

    MD5

    c3cb69218b85c3260387fb582cb518dd

    SHA1

    961c892ded09a4cbb5392097bb845ccba65902ad

    SHA256

    1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

    SHA512

    2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

  • memory/2872-569-0x0000000077C01000-0x0000000077D21000-memory.dmp

    Filesize

    1.1MB

  • memory/2872-570-0x00000000748E5000-0x00000000748E6000-memory.dmp

    Filesize

    4KB

  • memory/4840-571-0x0000000077C88000-0x0000000077C89000-memory.dmp

    Filesize

    4KB

  • memory/4840-572-0x0000000077C01000-0x0000000077D21000-memory.dmp

    Filesize

    1.1MB

  • memory/4840-575-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-578-0x0000000077C01000-0x0000000077D21000-memory.dmp

    Filesize

    1.1MB

  • memory/4840-579-0x0000000000483000-0x0000000000484000-memory.dmp

    Filesize

    4KB

  • memory/4840-580-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-581-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-582-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-583-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-584-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-585-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-586-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-587-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-588-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-589-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-591-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-593-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-594-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-595-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-596-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-597-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-598-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-599-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-600-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-601-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-602-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-604-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-605-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-606-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-607-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-608-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-609-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-611-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-610-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-612-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-613-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-614-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-615-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-616-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-617-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-618-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-619-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-623-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-625-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-626-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-627-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-628-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-629-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-630-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-631-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-633-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-632-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-634-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-635-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-636-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-637-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-638-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-639-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-640-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB

  • memory/4840-641-0x0000000000450000-0x00000000016A4000-memory.dmp

    Filesize

    18.3MB