Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:43

General

  • Target

    a71958cec799236aa1df12b64c3caa213ef7dc970fe6dff7ae679e6efb5a02d6.exe

  • Size

    2.9MB

  • MD5

    c07d08d58f7d4eb93297ea598c17d174

  • SHA1

    bbd34de2013142d839344b94945047b54f4f3a32

  • SHA256

    a71958cec799236aa1df12b64c3caa213ef7dc970fe6dff7ae679e6efb5a02d6

  • SHA512

    d06cde9ad0768d43172fd6b71949bd516b0383dbda7287de2c7c5a845986e27d6c45b3900432008f44470005ec0969963881a4bb5ac17f3024cbc76d26f4dbe6

  • SSDEEP

    49152:UG5w8C2NdnXJGLKKDQzeFivVRk4OoBl31cP:UG5w8JdnI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    wmilan4ever

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

C2

oxygrapics.zapto.org:1563

Mutex

60C5T6L0DNX6W6

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    123456

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 3 IoCs
  • Executes dropped EXE 7 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 9 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3064
      • C:\Users\Admin\AppData\Local\Temp\a71958cec799236aa1df12b64c3caa213ef7dc970fe6dff7ae679e6efb5a02d6.exe
        "C:\Users\Admin\AppData\Local\Temp\a71958cec799236aa1df12b64c3caa213ef7dc970fe6dff7ae679e6efb5a02d6.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4640
        • C:\Users\Admin\AppData\Local\Temp\DARKFANTASY PEGA IP.EXE
          "C:\Users\Admin\AppData\Local\Temp\DARKFANTASY PEGA IP.EXE"
          3⤵
          • Executes dropped EXE
          PID:1192
        • C:\Users\Admin\AppData\Local\Temp\FB_PASSWORD_FINDER.EXE
          "C:\Users\Admin\AppData\Local\Temp\FB_PASSWORD_FINDER.EXE"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:4752
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3620
            • C:\Users\Admin\AppData\Local\Temp\1EFK.EXE
              "C:\Users\Admin\AppData\Local\Temp\1EFK.EXE"
              5⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4656
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                6⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                PID:3796
            • C:\Users\Admin\AppData\Local\Temp\FILE NAME.EXE
              "C:\Users\Admin\AppData\Local\Temp\FILE NAME.EXE"
              5⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Adds Run key to start application
              • Suspicious use of AdjustPrivilegeToken
              PID:4748
              • C:\Users\Admin\AppData\Roaming\File Name.exe
                "C:\Users\Admin\AppData\Roaming\File Name.exe"
                6⤵
                • Executes dropped EXE
                • Suspicious behavior: GetForegroundWindowSpam
                PID:1880
            • C:\Users\Admin\AppData\Local\Temp\FIULES.EXE
              "C:\Users\Admin\AppData\Local\Temp\FIULES.EXE"
              5⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4180
              • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                6⤵
                • Modifies Installed Components in the registry
                • Adds Run key to start application
                • Drops file in System32 directory
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of WriteProcessMemory
                PID:4324
                • C:\Windows\SysWOW64\explorer.exe
                  explorer.exe
                  7⤵
                  • Modifies Installed Components in the registry
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2352
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe"
                  7⤵
                    PID:1592
                  • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
                    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
                    7⤵
                    • Drops file in System32 directory
                    • Modifies registry class
                    • Suspicious behavior: GetForegroundWindowSpam
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1556
                    • C:\Windows\SysWOW64\install\server.exe
                      "C:\Windows\system32\install\server.exe"
                      8⤵
                      • Executes dropped EXE
                      PID:384

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scripting

      1
      T1064

      Persistence

      Registry Run Keys / Startup Folder

      2
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Scripting

      1
      T1064

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\1EFK.EXE
        Filesize

        516KB

        MD5

        58fe8af8223b031e0f8c022ae0da7207

        SHA1

        aa009481aa28a86d8d8066ed04db8a4e59c935be

        SHA256

        635a7fea437c23f878eff7bfadac8e40acb5ac879c67a2498b65103c2c7f3a6f

        SHA512

        680fb82d7074874be62ae661b2b1a11c0ef9a4c00f200f79663f5f4416227ab3f25d34da3678071ed620e545bbde334fdc6c59567527fdc6c382d385dee84485

      • C:\Users\Admin\AppData\Local\Temp\1EFK.EXE
        Filesize

        516KB

        MD5

        58fe8af8223b031e0f8c022ae0da7207

        SHA1

        aa009481aa28a86d8d8066ed04db8a4e59c935be

        SHA256

        635a7fea437c23f878eff7bfadac8e40acb5ac879c67a2498b65103c2c7f3a6f

        SHA512

        680fb82d7074874be62ae661b2b1a11c0ef9a4c00f200f79663f5f4416227ab3f25d34da3678071ed620e545bbde334fdc6c59567527fdc6c382d385dee84485

      • C:\Users\Admin\AppData\Local\Temp\Admin2.txt
        Filesize

        224KB

        MD5

        205ec9c1ba7eac1d9eca7bfe44e3c35e

        SHA1

        37da8bee11bb689530a8ff00e785dc6bc4ddaf91

        SHA256

        3137395ba9e1433e6d04d9a466616c63fd737c9356dff81cdb511cf59868951f

        SHA512

        8419f05c181d852808824fe60eba9b0f64da0bfdd6d03fb7336eaaf11a1879dff4b7695ceb040beb0e915794a907bcf01816ae7cc5e2d32b87adf7c8704843a4

      • C:\Users\Admin\AppData\Local\Temp\DARKFANTASY PEGA IP.EXE
        Filesize

        429KB

        MD5

        1927d5cc840c0d57783945e0b25c220d

        SHA1

        323a4d8b332aadd86bb64a045326c24780eacacd

        SHA256

        bae576693d58482f3f2e90fbff5b786de3329c9e05aa190d26e64b3aa5327f65

        SHA512

        e44f15fee82883015d6602255146be3fa9ce8f5fef6cb2fd16e303cf9533be23c343eadf75c0276efe47b8befe8ebb53c36fb8d4ca8876c40e2935982b9ab07b

      • C:\Users\Admin\AppData\Local\Temp\DARKFANTASY PEGA IP.EXE
        Filesize

        429KB

        MD5

        1927d5cc840c0d57783945e0b25c220d

        SHA1

        323a4d8b332aadd86bb64a045326c24780eacacd

        SHA256

        bae576693d58482f3f2e90fbff5b786de3329c9e05aa190d26e64b3aa5327f65

        SHA512

        e44f15fee82883015d6602255146be3fa9ce8f5fef6cb2fd16e303cf9533be23c343eadf75c0276efe47b8befe8ebb53c36fb8d4ca8876c40e2935982b9ab07b

      • C:\Users\Admin\AppData\Local\Temp\FB_PASSWORD_FINDER.EXE
        Filesize

        2.4MB

        MD5

        1b8393f0ded50ce1ec6c6d798513e291

        SHA1

        b539ce340f200e10db6d75366d83d789c68e42ec

        SHA256

        f0065bcc8f2b8aa398a8cab589e9f2f1301806d6be755e00775a2ea63bfd7b73

        SHA512

        c58b1eef1e290a79f39c561f7e243044c2228236aed5d2aa082610a6793ca9fbc7319f0e37859bd29a7470cc6808f857e2d624b6da4cb589abc6c14d4975dec0

      • C:\Users\Admin\AppData\Local\Temp\FB_PASSWORD_FINDER.EXE
        Filesize

        2.4MB

        MD5

        1b8393f0ded50ce1ec6c6d798513e291

        SHA1

        b539ce340f200e10db6d75366d83d789c68e42ec

        SHA256

        f0065bcc8f2b8aa398a8cab589e9f2f1301806d6be755e00775a2ea63bfd7b73

        SHA512

        c58b1eef1e290a79f39c561f7e243044c2228236aed5d2aa082610a6793ca9fbc7319f0e37859bd29a7470cc6808f857e2d624b6da4cb589abc6c14d4975dec0

      • C:\Users\Admin\AppData\Local\Temp\FILE NAME.EXE
        Filesize

        184KB

        MD5

        ddb0b9a42a8857ff68c9c6329e304b6e

        SHA1

        402ffc9fac6272ce7293f52944b68f5691f03dfb

        SHA256

        c9ba7e473c261849b32bac9cb89a4c05a916eef48f6799a9112b6d58af331449

        SHA512

        33f3e0b6493905b22839c1af28a8814c55bd321527169937b3c1885540c4ff6d347106bf20cedd39fbafbbba538e33591cb3e85ace863e77be7ef596119079b8

      • C:\Users\Admin\AppData\Local\Temp\FILE NAME.EXE
        Filesize

        184KB

        MD5

        ddb0b9a42a8857ff68c9c6329e304b6e

        SHA1

        402ffc9fac6272ce7293f52944b68f5691f03dfb

        SHA256

        c9ba7e473c261849b32bac9cb89a4c05a916eef48f6799a9112b6d58af331449

        SHA512

        33f3e0b6493905b22839c1af28a8814c55bd321527169937b3c1885540c4ff6d347106bf20cedd39fbafbbba538e33591cb3e85ace863e77be7ef596119079b8

      • C:\Users\Admin\AppData\Local\Temp\FIULES.EXE
        Filesize

        1.1MB

        MD5

        c817e3bcad232a677f8aac0188b99fae

        SHA1

        315403977b018a0dc15bf964b857b56f36754a09

        SHA256

        8bcebcbabbd12872f4063f954f910ad5536b4c649fb1196df7558235933db717

        SHA512

        2655ebb6435cabd23f38c12404a7938bf5eaa9bc118b02b1d5cf0fa65b94fc26b093687b2577e519773d8cf58e12bc233adf37cdcccf5096769ce77a0dff76cd

      • C:\Users\Admin\AppData\Local\Temp\FIULES.EXE
        Filesize

        1.1MB

        MD5

        c817e3bcad232a677f8aac0188b99fae

        SHA1

        315403977b018a0dc15bf964b857b56f36754a09

        SHA256

        8bcebcbabbd12872f4063f954f910ad5536b4c649fb1196df7558235933db717

        SHA512

        2655ebb6435cabd23f38c12404a7938bf5eaa9bc118b02b1d5cf0fa65b94fc26b093687b2577e519773d8cf58e12bc233adf37cdcccf5096769ce77a0dff76cd

      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        Filesize

        1.1MB

        MD5

        c817e3bcad232a677f8aac0188b99fae

        SHA1

        315403977b018a0dc15bf964b857b56f36754a09

        SHA256

        8bcebcbabbd12872f4063f954f910ad5536b4c649fb1196df7558235933db717

        SHA512

        2655ebb6435cabd23f38c12404a7938bf5eaa9bc118b02b1d5cf0fa65b94fc26b093687b2577e519773d8cf58e12bc233adf37cdcccf5096769ce77a0dff76cd

      • C:\Users\Admin\AppData\Roaming\File Name.exe
        Filesize

        184KB

        MD5

        ddb0b9a42a8857ff68c9c6329e304b6e

        SHA1

        402ffc9fac6272ce7293f52944b68f5691f03dfb

        SHA256

        c9ba7e473c261849b32bac9cb89a4c05a916eef48f6799a9112b6d58af331449

        SHA512

        33f3e0b6493905b22839c1af28a8814c55bd321527169937b3c1885540c4ff6d347106bf20cedd39fbafbbba538e33591cb3e85ace863e77be7ef596119079b8

      • C:\Users\Admin\AppData\Roaming\File Name.exe
        Filesize

        184KB

        MD5

        ddb0b9a42a8857ff68c9c6329e304b6e

        SHA1

        402ffc9fac6272ce7293f52944b68f5691f03dfb

        SHA256

        c9ba7e473c261849b32bac9cb89a4c05a916eef48f6799a9112b6d58af331449

        SHA512

        33f3e0b6493905b22839c1af28a8814c55bd321527169937b3c1885540c4ff6d347106bf20cedd39fbafbbba538e33591cb3e85ace863e77be7ef596119079b8

      • C:\Windows\SysWOW64\install\server.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • C:\Windows\SysWOW64\install\server.exe
        Filesize

        1.1MB

        MD5

        d881de17aa8f2e2c08cbb7b265f928f9

        SHA1

        08936aebc87decf0af6e8eada191062b5e65ac2a

        SHA256

        b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

        SHA512

        5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

      • memory/384-200-0x0000000000000000-mapping.dmp
      • memory/1192-132-0x0000000000000000-mapping.dmp
      • memory/1556-189-0x0000000000000000-mapping.dmp
      • memory/1556-194-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1556-199-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1556-203-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/1880-195-0x0000000000000000-mapping.dmp
      • memory/1880-198-0x00007FFCA9390000-0x00007FFCA9DC6000-memory.dmp
        Filesize

        10.2MB

      • memory/2352-183-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/2352-176-0x0000000000000000-mapping.dmp
      • memory/2352-180-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/3620-139-0x0000000000000000-mapping.dmp
      • memory/3620-140-0x0000000000400000-0x00000000005D2000-memory.dmp
        Filesize

        1.8MB

      • memory/3620-142-0x0000000000400000-0x00000000005D2000-memory.dmp
        Filesize

        1.8MB

      • memory/3620-141-0x0000000000400000-0x00000000005D2000-memory.dmp
        Filesize

        1.8MB

      • memory/3620-144-0x0000000000400000-0x00000000005D2000-memory.dmp
        Filesize

        1.8MB

      • memory/3620-154-0x0000000000400000-0x00000000005D2000-memory.dmp
        Filesize

        1.8MB

      • memory/3796-169-0x0000000000400000-0x0000000000414000-memory.dmp
        Filesize

        80KB

      • memory/3796-155-0x0000000000000000-mapping.dmp
      • memory/3796-156-0x0000000000400000-0x0000000000414000-memory.dmp
        Filesize

        80KB

      • memory/3796-164-0x0000000000400000-0x0000000000414000-memory.dmp
        Filesize

        80KB

      • memory/4180-151-0x0000000000000000-mapping.dmp
      • memory/4180-167-0x0000000073F10000-0x00000000744C1000-memory.dmp
        Filesize

        5.7MB

      • memory/4180-202-0x0000000073F10000-0x00000000744C1000-memory.dmp
        Filesize

        5.7MB

      • memory/4324-166-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/4324-172-0x0000000010410000-0x0000000010475000-memory.dmp
        Filesize

        404KB

      • memory/4324-185-0x00000000104F0000-0x0000000010555000-memory.dmp
        Filesize

        404KB

      • memory/4324-177-0x0000000010480000-0x00000000104E5000-memory.dmp
        Filesize

        404KB

      • memory/4324-190-0x0000000010560000-0x00000000105C5000-memory.dmp
        Filesize

        404KB

      • memory/4324-193-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/4324-170-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/4324-162-0x0000000000000000-mapping.dmp
      • memory/4324-165-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/4324-163-0x0000000000400000-0x0000000000451000-memory.dmp
        Filesize

        324KB

      • memory/4656-158-0x0000000073F10000-0x00000000744C1000-memory.dmp
        Filesize

        5.7MB

      • memory/4656-145-0x0000000000000000-mapping.dmp
      • memory/4748-148-0x0000000000000000-mapping.dmp
      • memory/4748-168-0x00007FFCA9390000-0x00007FFCA9DC6000-memory.dmp
        Filesize

        10.2MB

      • memory/4752-143-0x0000000074D40000-0x00000000752F1000-memory.dmp
        Filesize

        5.7MB

      • memory/4752-138-0x0000000074D40000-0x00000000752F1000-memory.dmp
        Filesize

        5.7MB

      • memory/4752-135-0x0000000000000000-mapping.dmp