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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2025, 05:10

General

  • Target

    c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0.exe

  • Size

    900KB

  • MD5

    be20dfffcba37064d6087aa714036873

  • SHA1

    4f50f7f954ed27b8e3373a5d900905d98d1bb51e

  • SHA256

    c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0

  • SHA512

    955a14d104edf528cd3d1f140181e6222cc1f88c8f1fb0a6a60fa0d37962b34c535a29e45ba029cf8daa039df06d25b26689feb600fb8b499fe46de0b3bf4696

  • SSDEEP

    24576:0rl6kD68JmlotQf1nQr8zKS7ifTcvt2S3Sc1YNTN:Cl328U2yfuo2hfwvtJCxT

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.210.150.26:3678

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-MKYDDH

  • 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
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0.exe
    "C:\Users\Admin\AppData\Local\Temp\c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\obtenebrate\Milburr.exe
      "C:\Users\Admin\AppData\Local\Temp\c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Users\Admin\AppData\Local\obtenebrate\Milburr.exe
        "C:\Users\Admin\AppData\Local\obtenebrate\Milburr.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    446426af783773ce524c85d356f67ae0

    SHA1

    04a83c60136fe6265d32c643ed5139ab9c9ea505

    SHA256

    19b923c3dfa4aba9956127e0c3c20435954ab66dfbc7da827a87b88f34df0d1e

    SHA512

    a68c94ef7f3f48cb7246e382d6acdfd399bc7a0ca919cb1c6914c3f81aec81e02b11606cd46957455b9b1ed69eb589c1a2bce0e23d3f2e09cfc6408810991d14

  • C:\Users\Admin\AppData\Local\Temp\Charley

    Filesize

    481KB

    MD5

    e8f92d99524eff3de429c3718b7a1491

    SHA1

    b0c6f6a240841e77e7d20f99b379a9c6ee35d85b

    SHA256

    894cb71ad99ff88b5c93218788de1d133b4d0404d4996f7e5d3255209322f6e9

    SHA512

    4cf796747db21c4eb2cda23fb79e184c49b62b2e84e15b669a0025224991e4f9e0e261c6e03a12dd8b5e6b105d2aa7e8e652aa3f4863cec73a88bc02906c17d6

  • C:\Users\Admin\AppData\Local\Temp\autAC7C.tmp

    Filesize

    404KB

    MD5

    df6ce24c1d936b4b56dcd548def18b8d

    SHA1

    bb8cca79e83c81605fe2b2ffcfb657612fd798a1

    SHA256

    fed7b359f763f28d9e01bb5f6c734a29f17a67ae34161f4053ddac0407f52610

    SHA512

    7aea698b0a2c06812fbe00d0315af7ba18c15ae572c2ef7088db28ce3a5b6ab122ce4e711e8fe20d7763a47e8591afb248a02b55d5059f49f06b3201918648e8

  • C:\Users\Admin\AppData\Local\Temp\autAC8D.tmp

    Filesize

    14KB

    MD5

    00360588750369bc243ed68948507859

    SHA1

    861af2e9e7e94f3fbabb95259d86f2a93c4eddb3

    SHA256

    71e5d5e454b65c35189f3cc57c5923678f53758420abf6c3975a0e188fb8d855

    SHA512

    c8b360b472a1e0cb8957afce1ec644d465eb087b28328d7b3d3c88b3c2870ca885d42d66c9cfaeae2347d02a87e47da645a92f16c6140ceb036df147f91d51df

  • C:\Users\Admin\AppData\Local\Temp\teer

    Filesize

    140KB

    MD5

    b98ee815fe928b457a8ca6290ca38293

    SHA1

    b2a6929d5a5b461ad3aa6a8ed873f2e5fc106fd5

    SHA256

    d1de55cc4b804a902cd9ecbc8c4658586a9b85d4a26f147e49ca17406ebe5c6b

    SHA512

    2964c872a41ddac596490be2c9b4797ee97294503d509ea8e6b8fc8d43336bf2896189af88c8a225bb3e59f4127bc7cb81b9c05ed927b813aeb04de4f80af5bb

  • C:\Users\Admin\AppData\Local\obtenebrate\Milburr.exe

    Filesize

    900KB

    MD5

    be20dfffcba37064d6087aa714036873

    SHA1

    4f50f7f954ed27b8e3373a5d900905d98d1bb51e

    SHA256

    c889443786dc57c284a40fd1a9764bad2f026a8c20e191059707d1646ff931e0

    SHA512

    955a14d104edf528cd3d1f140181e6222cc1f88c8f1fb0a6a60fa0d37962b34c535a29e45ba029cf8daa039df06d25b26689feb600fb8b499fe46de0b3bf4696

  • memory/2512-12-0x0000000001250000-0x0000000001650000-memory.dmp

    Filesize

    4.0MB

  • memory/2512-19-0x0000000000730000-0x000000000091E000-memory.dmp

    Filesize

    1.9MB

  • memory/2512-0-0x0000000000730000-0x000000000091E000-memory.dmp

    Filesize

    1.9MB

  • memory/3272-80-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-91-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-135-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-38-0x0000000000C60000-0x0000000000E4E000-memory.dmp

    Filesize

    1.9MB

  • memory/3272-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-65-0x0000000000C60000-0x0000000000E4E000-memory.dmp

    Filesize

    1.9MB

  • memory/3272-66-0x00000000017E0000-0x0000000001BE0000-memory.dmp

    Filesize

    4.0MB

  • memory/3272-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-134-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-133-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-84-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-88-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-89-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-52-0x00000000017E0000-0x0000000001BE0000-memory.dmp

    Filesize

    4.0MB

  • memory/3272-92-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-93-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-95-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-97-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-98-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-101-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-103-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-104-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-105-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-107-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-108-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-110-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-112-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-113-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-114-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-116-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-117-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-120-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-121-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-122-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-124-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-125-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-126-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-129-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-130-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/3272-131-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4072-16-0x0000000000C60000-0x0000000000E4E000-memory.dmp

    Filesize

    1.9MB

  • memory/4072-33-0x0000000000FA0000-0x00000000013A0000-memory.dmp

    Filesize

    4.0MB

  • memory/4072-37-0x0000000000C60000-0x0000000000E4E000-memory.dmp

    Filesize

    1.9MB