Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 07:17

General

  • Target

    IMG635673567357735773573757875883587935775753Bjlkeloftet.exe

  • Size

    714KB

  • MD5

    a03dcb82d6ecaab34cc6ae971a806c06

  • SHA1

    3bf367387ad278b154bd2af42e7bedf0f8676f6c

  • SHA256

    4fc786009ad36ded81dfbd863802b06436b718112c35a505d447f6e0d31cbf8d

  • SHA512

    a11a2c0e59cd229d6d8de8edb4322ca434e5931ef94bb1cf4c5435e891125ca8c0518a675277c36936ff47e71eab7954ce17aaa36abb0109cbf84087e9652352

  • SSDEEP

    12288:E3cAEjowqtlkCSN+RgfcWNQDw9HSAcQ4A5uKrQrxco0+tNADhZebeEkOP:E3cAEjowDCC+R7ab9HSzJWoV07fDW

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
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 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\IMG635673567357735773573757875883587935775753Bjlkeloftet.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG635673567357735773573757875883587935775753Bjlkeloftet.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\IMG635673567357735773573757875883587935775753Bjlkeloftet.exe
      "C:\Users\Admin\AppData\Local\Temp\IMG635673567357735773573757875883587935775753Bjlkeloftet.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:1104

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    e3041a2bef81ef66d49cc927e8aa42e1

    SHA1

    46e6aeb947c2275d4b220899307c9ad74529dfb3

    SHA256

    c0c1bbcbdc57660a1957741f8c3f5a6066b8d2dda98bb0c95a2539e3f748926e

    SHA512

    2bab046a3e86b00a3be53986180d625e9b49143faea80ff59d42da4a853ac5d2e554fdf8749ad9e53f45de510784809dd024db6445a95c9aa8cd879784c1769c

  • C:\Users\Admin\AppData\Local\Temp\nsf6C49.tmp\System.dll

    Filesize

    12KB

    MD5

    12b140583e3273ee1f65016becea58c4

    SHA1

    92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    SHA256

    014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    SHA512

    49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    3B

    MD5

    4e27f2226785e9abbe046fc592668860

    SHA1

    28b18a7f383131df509f7191f946a32c5a2e410c

    SHA256

    01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

    SHA512

    2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    4B

    MD5

    cde63b34c142af0a38cbe83791c964f8

    SHA1

    ece2b194b486118b40ad12c1f0e9425dd0672424

    SHA256

    65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

    SHA512

    0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    5B

    MD5

    e2fecc970546c3418917879fe354826c

    SHA1

    63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

    SHA256

    ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

    SHA512

    3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    6B

    MD5

    50484c19f1afdaf3841a0d821ed393d2

    SHA1

    c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

    SHA256

    6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

    SHA512

    d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    7B

    MD5

    67cfa7364c4cf265b047d87ff2e673ae

    SHA1

    56e27889277981a9b63fcf5b218744a125bbc2fa

    SHA256

    639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

    SHA512

    17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    8B

    MD5

    c3cb69218b85c3260387fb582cb518dd

    SHA1

    961c892ded09a4cbb5392097bb845ccba65902ad

    SHA256

    1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

    SHA512

    2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    9B

    MD5

    2b3884fe02299c565e1c37ee7ef99293

    SHA1

    d8e2ef2a52083f6df210109fea53860ea227af9c

    SHA256

    ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

    SHA512

    aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

  • C:\Users\Admin\AppData\Local\Temp\nsp6CD7.tmp

    Filesize

    10B

    MD5

    9a53fc1d7126c5e7c81bb5c15b15537b

    SHA1

    e2d13e0fa37de4c98f30c728210d6afafbb2b000

    SHA256

    a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

    SHA512

    b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

  • C:\Users\Admin\AppData\Local\Temp\nsu6C59.tmp

    Filesize

    2B

    MD5

    25bc6654798eb508fa0b6343212a74fe

    SHA1

    15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

    SHA256

    8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

    SHA512

    5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

  • C:\Users\Admin\AppData\Local\Temp\nsv6D94.tmp

    Filesize

    1B

    MD5

    8ce4b16b22b58894aa86c421e8759df3

    SHA1

    13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

    SHA256

    8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

    SHA512

    2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

  • memory/1104-608-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-615-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-571-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-578-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-582-0x0000000077471000-0x0000000077591000-memory.dmp

    Filesize

    1.1MB

  • memory/1104-583-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-584-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-585-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-586-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-587-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-588-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-589-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-590-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-592-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-593-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-594-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-595-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-596-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-597-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-598-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-599-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-600-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-601-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-603-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-604-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-605-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-606-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-607-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-568-0x00000000774F8000-0x00000000774F9000-memory.dmp

    Filesize

    4KB

  • memory/1104-609-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-610-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-611-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-612-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-613-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-614-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-569-0x0000000077471000-0x0000000077591000-memory.dmp

    Filesize

    1.1MB

  • memory/1104-617-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-618-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-620-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-621-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-623-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-624-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-622-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-619-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-616-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-630-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-631-0x0000000000493000-0x0000000000494000-memory.dmp

    Filesize

    4KB

  • memory/1104-632-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-634-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-635-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-636-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-637-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-638-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-639-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-640-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-641-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-642-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-643-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-644-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-645-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-646-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-647-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-648-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-650-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-652-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1104-653-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/2200-565-0x0000000077471000-0x0000000077591000-memory.dmp

    Filesize

    1.1MB

  • memory/2200-567-0x00000000742D5000-0x00000000742D6000-memory.dmp

    Filesize

    4KB

  • memory/2200-566-0x0000000077471000-0x0000000077591000-memory.dmp

    Filesize

    1.1MB