Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/02/2025, 09:45

General

  • Target

    S3TurboTool_v1.53/S3TurboTool.exe

  • Size

    3.0MB

  • MD5

    722991dd18056a29c79c04868a03d81d

  • SHA1

    320a236cca872b66bda713a1c6e8690f95bbb09b

  • SHA256

    f57d195a651270f06b6ba5c21466401c0c3d035e21d7d217ab9268ea45d9f19b

  • SHA512

    adcf0a8ec44e1558e3d6067126350c1efe947400f311405c84f37b6d7de83738a42ddf59c1f8178f68d9c45269bb2f95dd638037643a5521206b91e6fb2ec0eb

  • SSDEEP

    49152:ZEA9P+bz2cHPcUb6HSb4SOEMkBeH7nQckO6bAGx7jXTVd3338n:t92bz2Eb6pd7B6bAGx7n333k

Malware Config

Extracted

Family

remcos

Botnet

1NEW

C2

5.45.67.76:1212

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

    NoTuchengmYzfiFifFile-JPS74W

  • 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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 14 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 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\S3TurboTool_v1.53\S3TurboTool.exe
    "C:\Users\Admin\AppData\Local\Temp\S3TurboTool_v1.53\S3TurboTool.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Users\Admin\AppData\Local\Temp\S3TurboTool_v1.53\S3TurboTool.exe
      "C:\Users\Admin\AppData\Local\Temp\S3TurboTool_v1.53\S3TurboTool.exe" /VERYSILENT
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Users\Admin\AppData\Roaming\S3TurboTool\S3TurboTool.exe
        "C:\Users\Admin\AppData\Roaming\S3TurboTool\S3TurboTool.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2936
      • C:\Users\Admin\AppData\Roaming\vcpkgsrv.exe
        "C:\Users\Admin\AppData\Roaming\vcpkgsrv.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Users\Admin\AppData\Roaming\MVCheck\vcpkgsrv.exe
          C:\Users\Admin\AppData\Roaming\MVCheck\vcpkgsrv.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2824
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\SysWOW64\cmd.exe
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1748
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\26a8109f

    Filesize

    1.2MB

    MD5

    f099d1bbe05fbb5c8fb58a79fdc40030

    SHA1

    2e099b7060342933bfef088ff8a21621e4c0dea8

    SHA256

    163679a570f9089cb6a2a66e6921b0ccde4c4c7fd8304fdb6151ac8ac9705a68

    SHA512

    0b824b4eb0e68cf3b26f55e7be6e7ed6cb01ce28413e38eaa536eb27fab46f77cadcc1e7e051d55b95369518264169dae8622646433c8e0df4a6d7b55cb28d17

  • C:\Users\Admin\AppData\Roaming\MSVCP140.dll

    Filesize

    438KB

    MD5

    cdae969102e88f6704d853f9521eedd2

    SHA1

    3d9a57652a3634cb9b5a83c973c1c77b30c60bf4

    SHA256

    4ad3de3443d7658f74c978e7eb04730e3d812bc592fee47be4e6348d1fb4814e

    SHA512

    6714f7886ed21a97a3d70e8a55637f0d0e6d2c43ffd433e7f9c38c100ada99c6aaf136135b5fa6b77483987e34f4c57086c574309b798512cd668c54f845ec49

  • C:\Users\Admin\AppData\Roaming\S3TurboTool\S3TurboTool.exe

    Filesize

    350KB

    MD5

    461dd72d19a3857f170abab8837d3021

    SHA1

    3a7ab3e60f7fbc70bb582aa0f740b364ba730928

    SHA256

    eaeacd165cf83cb0659bc711d2d6031ae5d2b56843bc721a263f8b0f91993363

    SHA512

    65dcd2b6ac7d3b5bbce7b69dd4a085da4a62ec6a68b8f17a67d1663b584964fe279194333a90e4c52dae0dabc6f8f83ecb337d2f6a559259b1c94f315673affe

  • C:\Users\Admin\AppData\Roaming\airstrip.eps

    Filesize

    947KB

    MD5

    82684045b798a2b946c54d0f07182760

    SHA1

    350bca14af88bdb6ac9fe2a2cb4798bc03d9fa78

    SHA256

    1daa6e80920b7f3d9eb5375b064467330b6427fb1dc5256282c43733bf96a601

    SHA512

    fb7687cff30f34d4f22eef91d5543519e92c8b42e5743ee71d6ab43fc383c144a6e4f45b0863e65b3602019ba322a5b2bcdfa9ce13240e7ca208ab1021bbca32

  • C:\Users\Admin\AppData\Roaming\cassoulet.pkg

    Filesize

    55KB

    MD5

    ac65af3eb9bada3d75d7f2c9f86d8273

    SHA1

    f4b75c457b32bba5352dca361ef3c477ff0b5c23

    SHA256

    e68bce3f61193576d743fcd7f4cf6ce98ca57b0e3db3ca2bc46d41ccf0d5b9a9

    SHA512

    1bbd5ac6fdad7a3305598a37235b32cb8c85282fe2a746b1dd5b4e63f06d1a10ed31972ee614d888e22b431dc37a2d2043ed98d879300bc90d60ea7e9feb1094

  • C:\Users\Admin\AppData\Roaming\cpfe.dll

    Filesize

    4.9MB

    MD5

    eac01f58e7f60c7d40db53b061bc1346

    SHA1

    a2c2c49171dd862e2d9ac3a8b845dfa89dcce91e

    SHA256

    c93eb39b1042b83c46816c9558e865f14af96f972730626e81d7eb53b8045eb0

    SHA512

    242e9829aa779bfbd9fa46f928fc1dbbac3b991a951bac12e809159f2eecba229a7e231c72e6fa95462b033505301d8906110fc003577f239e0d5bd4637ba1ba

  • \Users\Admin\AppData\Roaming\concrt140.dll

    Filesize

    254KB

    MD5

    f36dae6ea00f102b60a5011af0732123

    SHA1

    06fabdbf1fa14b5a637716f9f7a28c95ea4a8661

    SHA256

    0a3894dd420ed6b4c7ebbde463dbbde69cdb032e290b1c86c21ccdaa4da95526

    SHA512

    c585e25ac9d733ca82d36d4cee0fa5f7d34a0455c359e010c501d1474c612bc73429093ba302ae14222d7e3a89d5b11777529b3005c7c0966aff06c92c7cce12

  • \Users\Admin\AppData\Roaming\vcpkgsrv.exe

    Filesize

    1.4MB

    MD5

    38901633c833cba7f682472ced0dbe4b

    SHA1

    0c11a1ac834d2b270ba60f3605109933ca11a7f0

    SHA256

    a5c5487194f761dac90e178c9c1753c0f47b041f3168b5c23a587f33f69e5089

    SHA512

    70d71197c68c9a92883c482aee76978e2a01e785be6fb3b6082369e25d991d3e03d8467e11d87493e54f5a3dc4bcd59fa588f0fabe5f6fdcf3361de95cb471c1

  • \Users\Admin\AppData\Roaming\vcruntime140.dll

    Filesize

    88KB

    MD5

    984c36e57e47581e267151aca04e9580

    SHA1

    aa54e9133ba3ed675f9b5255a515780438163ae1

    SHA256

    e0850ad7c2431f822359e129c85b708373759a1aaadb70b3740642ea44345a04

    SHA512

    9c8ce4e86173066ab8584a08aa1449f36808f0abd6de01a86f83914a44a8b07b31266c1f38ec0cd46faabf819ac6e1c74e29d5b8b2163ac5d9e1797df8282fdf

  • memory/1740-134-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-135-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-141-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-140-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-139-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-138-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-137-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-136-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-133-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-132-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-129-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/1740-128-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/1748-126-0x0000000070DB0000-0x0000000070F24000-memory.dmp

    Filesize

    1.5MB

  • memory/1748-79-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/2028-41-0x0000000000400000-0x000000000070A000-memory.dmp

    Filesize

    3.0MB

  • memory/2496-3-0x0000000000400000-0x000000000070A000-memory.dmp

    Filesize

    3.0MB

  • memory/2496-0-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/2824-76-0x0000000070DB0000-0x0000000070F24000-memory.dmp

    Filesize

    1.5MB

  • memory/2824-75-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/2824-74-0x0000000070DB0000-0x0000000070F24000-memory.dmp

    Filesize

    1.5MB

  • memory/2828-48-0x00000000775E0000-0x0000000077789000-memory.dmp

    Filesize

    1.7MB

  • memory/2828-47-0x0000000074A00000-0x0000000074B74000-memory.dmp

    Filesize

    1.5MB

  • memory/2936-46-0x0000000000D60000-0x0000000000DBC000-memory.dmp

    Filesize

    368KB