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Analysis

  • max time kernel
    71s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 00:30

General

  • Target

    f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe

  • Size

    444KB

  • MD5

    14d9b535b18156471f510525bf93fe30

  • SHA1

    8286cdaa461516f8a446190748f955e262ce729b

  • SHA256

    f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18

  • SHA512

    5723dc25b5a55da5d245315900b636a0fd6820583e0aece23d4aa30107f6713e5052967297f8c823058adf9fda2efed0497574191c4877513b373fd178e3fa15

  • SSDEEP

    12288:Jqcq3C4c0C3jaJBaPHaKx8Xk8NxagaElleY:kcczc3Ywt8XzNxagaClz

Malware Config

Signatures

  • ISR Stealer

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

  • 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 system certificate store 2 TTPs 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\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe
    "C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe
      "C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:976
      • C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe
        "C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
        3⤵
          PID:556
        • C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe
          "C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:560
        • C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe
          "C:\Users\Admin\AppData\Local\Temp\f7573d7942fed94b0f47751acad93bb460d81abcfacaaf679ce54457f2a4de18.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1184

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/556-70-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/556-98-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/556-97-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/556-84-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/556-72-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/560-95-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/560-91-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/560-86-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/560-77-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/560-75-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/976-61-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-68-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-67-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-56-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-65-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-57-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-63-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-85-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-59-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-62-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-60-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/976-89-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1184-93-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1184-94-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1184-96-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1184-87-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1184-80-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1324-69-0x0000000076191000-0x0000000076193000-memory.dmp

      Filesize

      8KB