Analysis

  • max time kernel
    28s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 22:30

General

  • Target
    51c9d8f09a73802a05455e7aa8fd9953.exe
  • Size 1.4MB
  • Sample240110-2ese7shear
  • SHA256 e2d38fff6489893582da7827bf3f5179f7ced39a1391f736ea55d86b695b8e82
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • lyswug41.top

  • morbyn04.top

Attributes
  • payload_url

    http://damhlu05.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\51c9d8f09a73802a05455e7aa8fd9953.exe
    "C:\Users\Admin\AppData\Local\Temp\51c9d8f09a73802a05455e7aa8fd9953.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c cmd < Apparve.dif
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
    • C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      2⤵
        PID:2240
    • C:\Windows\SysWOW64\PING.EXE
      ping SCFGBRBT -n 30
      1⤵
      • Runs ping.exe
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com y
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
      Vigilanza.exe.com y
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2576
    • C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^MUDMsvnAuDtONRMrwaGsxlhulYeCQOaTIUmgfUabcdKNJUYWSnXNYFQBGvCzzWKskkuSsbOiZpVrAmbdZuJsQEUetXHSaZ$" Abbozzo.dif
      1⤵
        PID:2564
      • C:\Windows\SysWOW64\cmd.exe
        cmd
        1⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2344

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Abbozzo.dif

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Abbozzo.dif
            • Size 43KB
            • SHA256 78b083afd1ae22a820334448d5c47f67aaf096103b3d2a7ff2862b7437a69449
            • MD5 SHA1 SHA512 SSDEEP

            Apparve.dif

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Apparve.dif
            • Size 491B
            • SHA256 85c9a4a8d0042e183d90b8effa79306da4d71e45ff103a3ba933bfe016897b9d
            • MD5 SHA1 SHA512

            Chiude.dif

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Chiude.dif
            • Size 81KB
            • SHA256 5890e708590caaca669b1b3d6a18d12728f64942aeced13ce2ce0af3e4f0fb6a
            • MD5 SHA1 SHA512 SSDEEP

            Ero.dif

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ero.dif
            • Size 12KB
            • SHA256 28cba2caf69fcfb01c71b30156e59f581aa03298dc9398e41c627e5f772299e1
            • MD5 SHA1 SHA512 SSDEEP

            Vigilanza.exe.com

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
            • Size 70KB
            • SHA256 c1bf242daefdf134de5342b2fbb60151cabe38a5c757a0dff321438bf27937ac
            • MD5 SHA1 SHA512 SSDEEP

            Vigilanza.exe.com

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
            • Size 151KB
            • SHA256 6f3c2497ab0e8b409d2cb7fa8d72d886cd06cab6233b7a8496d531a35e98f40c
            • MD5 SHA1 SHA512 SSDEEP

            Vigilanza.exe.com

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
            • Size 86KB
            • SHA256 e85c1d2e1255257b3cbe9915d5379b874056bdef2d96fc278c8ad925567059f2
            • MD5 SHA1 SHA512 SSDEEP

            y

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y
            • Size 126KB
            • SHA256 977ba09199b8d39c659d1c2dff13b6ad9fd7985bc7c9d878fe3f68bd63d7559b
            • MD5 SHA1 SHA512 SSDEEP

            DjwzUEG0dn2CaM.zip

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\DjwzUEG0dn2CaM.zip
            • Size 10KB
            • SHA256 f3472edac42b2becd4fae831337f686043b52e9e368ceb0d3c6dd29d1b3d43dc
            • MD5 SHA1 SHA512 SSDEEP

            EditPush.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Files\EditPush.txt
            • Size 46KB
            • SHA256 74e4fe1ab0ae6210acaafe1e37bf87b008729661693e01e982a89078667371a2
            • MD5 SHA1 SHA512 SSDEEP

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Information.txt
            • Size 1KB
            • SHA256 d2be3f7d94fe29e59555253792128d8200c2a467c3e912f57487b929a7d842b5
            • MD5 SHA1 SHA512

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Information.txt
            • Size 1KB
            • SHA256 728e23be9a9a6032b67a1ba39af9be7decae664e2cbc24963cd774e7356d8ee3
            • MD5 SHA1 SHA512

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Information.txt
            • Size 3KB
            • SHA256 0512d272a9b8e30b336f2392e078020dbb007052f19865062e6c666cd2309862
            • MD5 SHA1 SHA512

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Information.txt
            • Size 3KB
            • SHA256 cbdc73c3287841c37f051f6874f55da3f702e53e833b2ea7762df844985f267c
            • MD5 SHA1 SHA512

            _Screen_Desktop.jpeg

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\_Files\_Screen_Desktop.jpeg
            • Size 22KB
            • SHA256 caa69101bd3addc5fe75ccff8e29de2b8d3cd50a5d1c495aadf0b6f6a48f744b
            • MD5 SHA1 SHA512 SSDEEP

            system_info.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\files_\system_info.txt
            • Size 1KB
            • SHA256 75b17b57dddf3b2c1ed0293a27d28635e2e319380c6a04a5b55d6b7b4f552efe
            • MD5 SHA1 SHA512

            system_info.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\files_\system_info.txt
            • Size 3KB
            • SHA256 21bfd74d1359010a3dda4f392792ff987b9828c4038461b1ac21a81749c3b9cc
            • MD5 SHA1 SHA512

            system_info.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\files_\system_info.txt
            • Size 3KB
            • SHA256 321393963a00fc6059335fdb9f6e3d1fe7af92c51390a43b382edc75680220ca
            • MD5 SHA1 SHA512

            system_info.txt

            • Path C:\Users\Admin\AppData\Local\Temp\OzKDZoTYtE\files_\system_info.txt
            • Size 4KB
            • SHA256 4068cd31068ec8d5782ff9620c0ec691fe9f49f91c541014c0c36a17ebcba0e3
            • MD5 SHA1 SHA512 SSDEEP

            Vigilanza.exe.com

            • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
            • Size 71KB
            • SHA256 76fbcf9dbb081c556bee77f0ea39f0beaab3323ab37227c82941aa48feab9f63
            • MD5 SHA1 SHA512 SSDEEP

            Vigilanza.exe.com

            • Path \Users\Admin\AppData\Local\Temp\IXP000.TMP\Vigilanza.exe.com
            • Size 33KB
            • SHA256 be338be0b1a29cd295a255742a1ca94d1473f83c7c153dca400f4e463bac262c
            • MD5 SHA1 SHA512 SSDEEP

            memory/2672-24-0x00000000005E0000-0x00000000005E1000-memory.dmp

            memory/2672-27-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-31-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-32-0x0000000003070000-0x0000000003071000-memory.dmp

            memory/2672-26-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-25-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-29-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-30-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-256-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-28-0x0000000003830000-0x00000000038D3000-memory.dmp

            memory/2672-258-0x0000000003070000-0x0000000003071000-memory.dmp