Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:38

General

  • Target

    3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe

  • Size

    25KB

  • MD5

    c01537f99d2eb404e1acebebfbc0bd52

  • SHA1

    3121806fe93b25b72d6bc28af7b092a4ba63b4a1

  • SHA256

    3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb

  • SHA512

    f2b072f55e4fa04d7983c6d639a692d437261662fb580aaf170ab8796c1b2cf2323d24da771886d526979bb81e534ef91813baebfd0ade276b20c3cbcf0f0ec0

  • SSDEEP

    384:V1u6MKacGQabT2JKQ10NyXao0/QK0Iom5YSgMxrIUvwZ+x/kIGGhqwptB0B0Yy:vukaDL6JZu0m/QKvu7UrI1Z+x/kBrB0

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe
    "C:\Users\Admin\AppData\Local\Temp\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4528
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks computer location settings
      • Drops startup file
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe" >> NUL
        3⤵
          PID:4888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe" >> NUL
        2⤵
          PID:4944

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe

        Filesize

        25KB

        MD5

        c01537f99d2eb404e1acebebfbc0bd52

        SHA1

        3121806fe93b25b72d6bc28af7b092a4ba63b4a1

        SHA256

        3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb

        SHA512

        f2b072f55e4fa04d7983c6d639a692d437261662fb580aaf170ab8796c1b2cf2323d24da771886d526979bb81e534ef91813baebfd0ade276b20c3cbcf0f0ec0

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb.exe

        Filesize

        25KB

        MD5

        c01537f99d2eb404e1acebebfbc0bd52

        SHA1

        3121806fe93b25b72d6bc28af7b092a4ba63b4a1

        SHA256

        3250cee335d6a0948375be04338d6e259f46a20c1b0a2d658be50a31ab497bfb

        SHA512

        f2b072f55e4fa04d7983c6d639a692d437261662fb580aaf170ab8796c1b2cf2323d24da771886d526979bb81e534ef91813baebfd0ade276b20c3cbcf0f0ec0

      • memory/4416-133-0x0000000000000000-mapping.dmp

      • memory/4416-137-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/4416-139-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/4416-141-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/4528-132-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/4528-138-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/4888-140-0x0000000000000000-mapping.dmp

      • memory/4944-136-0x0000000000000000-mapping.dmp