Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 02:02

General

  • Target
    b0f26518a6a528d697ee4a335bdc73b5.exe
  • Size 711KB
  • Sample240304-cglb8seh9w
  • SHA256 ce7d94e2c15962b64b2ba26e656e8c11fee4b042c11021dc242ae1cf0b537b2d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • lyspsc22.top

  • morepq02.top

Attributes
  • payload_url

    http://damsez02.top/download.php?file=lv.exe

Signatures

  • CryptBot

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

  • CryptBot payload 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Suspicious use of FindShellTrayWindow 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0f26518a6a528d697ee4a335bdc73b5.exe
    "C:\Users\Admin\AppData\Local\Temp\b0f26518a6a528d697ee4a335bdc73b5.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of FindShellTrayWindow
    PID:3340

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7scAa2CKir.zip

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\7scAa2CKir.zip
        • Size 550KB
        • SHA256 a4dceab0a1e57431b9c5ee560ae5cffb4c013406f77f735f2b1ac37e71f340de
        • MD5 SHA1 SHA512 SSDEEP

        B8ea3AOW3mcdN.zip

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\B8ea3AOW3mcdN.zip
        • Size 550KB
        • SHA256 d55cb390891292a96b0a628f521785e712660ef795c7bbcd1deef8989c79d169
        • MD5 SHA1 SHA512 SSDEEP

        BackupLimit.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\_Files\_Files\BackupLimit.txt
        • Size 510KB
        • SHA256 6905d821b6f08877e38e31f8bfeb6115eebf22405dd44ab6b74e840341add683
        • MD5 SHA1 SHA512 SSDEEP

        _Information.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\_Files\_Information.txt
        • Size 1KB
        • SHA256 d01c0c455613b8298895eef8ac537c7c68fa82c0d304e6dced81996a1d458d0f
        • MD5 SHA1 SHA512

        _Information.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\_Files\_Information.txt
        • Size 2KB
        • SHA256 1f8d5d7e76c10eae6bc9290297f7a408d41d5eddae59fd44920a2cd5c0f7d6e1
        • MD5 SHA1 SHA512

        _Information.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\_Files\_Information.txt
        • Size 4KB
        • SHA256 e624a947c80945162366407d63851f91e79c8fa5402f6a1e754d5c332460fa7a
        • MD5 SHA1 SHA512 SSDEEP

        _Screen_Desktop.jpeg

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\_Files\_Screen_Desktop.jpeg
        • Size 46KB
        • SHA256 39da11ef0e3081dddf4e319473f75086834ae4751d9e2e10095d245896aef71f
        • MD5 SHA1 SHA512 SSDEEP

        system_info.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\files_\system_info.txt
        • Size 1KB
        • SHA256 fe2191c9252e84ff915155abbfbc62101b115e0e1883737cdb5d8883d5191462
        • MD5 SHA1 SHA512

        system_info.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\files_\system_info.txt
        • Size 1KB
        • SHA256 c840c11583dfdf7ff0757d38ffe02bd1d210c9ef825bf83db09bdf9834a9d80e
        • MD5 SHA1 SHA512

        system_info.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\files_\system_info.txt
        • Size 3KB
        • SHA256 652425eb357f72b11f3bb7c8940dac1741b02906555116eac83e1c2fdbed03a5
        • MD5 SHA1 SHA512

        system_info.txt

        • Path C:\Users\Admin\AppData\Local\Temp\dYbMsrMNku\files_\system_info.txt
        • Size 4KB
        • SHA256 09f9d4c4d40511543c261004ceacd856d986766a8451563890743dfc02372ed5
        • MD5 SHA1 SHA512 SSDEEP

        memory/3340-1-0x0000000003410000-0x0000000003510000-memory.dmp

        memory/3340-212-0x0000000000400000-0x000000000334F000-memory.dmp

        memory/3340-214-0x0000000003410000-0x0000000003510000-memory.dmp

        memory/3340-3-0x0000000000400000-0x000000000334F000-memory.dmp

        memory/3340-218-0x0000000003350000-0x00000000033F0000-memory.dmp

        memory/3340-2-0x0000000003350000-0x00000000033F0000-memory.dmp