Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 08:48

General

  • Target

    cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe

  • Size

    444KB

  • MD5

    eaa0dd1f899f3f3ca4a6d86b53bfca52

  • SHA1

    98cd1f7402446ff487b744120d5a7084713a87a0

  • SHA256

    cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790

  • SHA512

    65b59b259cf1eccdc443d19d3499e02994b4275e9df8c8268896355f76a1fd25e702138bc03eb77c1bbfc28483b04026a4916dc7f630bdac7ae7d595a6afbc0a

  • SSDEEP

    12288:Kq8q3C4c0C3jaJBaPHaKx8Xk8NxagaElleY:x8czc3Ywt8XzNxagaClz

Malware Config

Signatures

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • UPX packed file 8 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe
    "C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe
      "C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe
        "C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
        3⤵
          PID:1212
        • C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe
          "C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1516
        • C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe
          "C:\Users\Admin\AppData\Local\Temp\cb17b68606afa1e5ab65fd6fe4552dcb855d17f04255e9ba87f1577e38db9790.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1372

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1108-56-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-57-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-59-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-60-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-62-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-61-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-63-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-65-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-67-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-90-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1108-68-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1212-70-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1212-72-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1212-97-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1212-78-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1212-96-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1372-92-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1372-82-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1372-86-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1372-94-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1372-95-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1516-85-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1516-87-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1516-93-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1516-79-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1516-75-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1816-69-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

      Filesize

      8KB