Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 15:11

General

  • Target
    595852C92F5DA87CEB5CC7167F015A72.exe
  • Size 486KB
  • Sample240214-sklp6sfa59
  • SHA256 df00f112e25af6405916498f807929598b7fc4840885f5ae55814fb7081518a3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe
    "C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe
      C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe /stext "C:\Users\Admin\AppData\Local\Temp\bkaksexpzbm"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4060
    • C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe
      C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe /stext "C:\Users\Admin\AppData\Local\Temp\mefdtxhqnjealbd"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:3356
    • C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe
      C:\Users\Admin\AppData\Local\Temp\595852C92F5DA87CEB5CC7167F015A72.exe /stext "C:\Users\Admin\AppData\Local\Temp\oylnthskbrwfvpzger"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bkaksexpzbm

        • Path C:\Users\Admin\AppData\Local\Temp\bkaksexpzbm
        • Size 4KB
        • SHA256 439774341ec7cb11308989acce149b2b2d84ff071f449e228578863a8364fa31
        • MD5 SHA1 SHA512 SSDEEP

        memory/776-32-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/776-31-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/776-29-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/776-30-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/776-23-0x0000000010000000-0x0000000010019000-memory.dmp

        memory/3356-16-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/3356-1-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/3356-9-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/3356-5-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/3356-12-0x0000000000400000-0x0000000000457000-memory.dmp

        memory/4060-10-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/4060-25-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/4060-0-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/4060-4-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/4984-21-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/4984-14-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/4984-13-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/4984-11-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/4984-6-0x0000000000400000-0x0000000000424000-memory.dmp