Analysis

  • max time kernel
    154s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-09-2021 16:25

General

  • Target

    jna4751840382602025308.dll

  • Size

    203KB

  • MD5

    28d895a3cb7e9a0b6a5ae5ed6a62b254

  • SHA1

    703d8604a8d04d29c52c0ebcde1e86f3bc8ff824

  • SHA256

    04c9a8ab43d1eb616b84d0686c8ae1d881ef03fe4f3aa26511e5b19d35ef16af

  • SHA512

    c917334ba893313f6062143a25187a313a973b41696c8e446d4d90f7483963f5134cafe65c86b212815981a9af27b1ada7feb2c9194a3b234c5817fb54d4e531

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\jna4751840382602025308.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\jna4751840382602025308.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 224
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1584

Network

MITRE ATT&CK Matrix

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Downloads

  • memory/1584-62-0x0000000000000000-mapping.dmp
  • memory/1584-63-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB

  • memory/1820-60-0x0000000000000000-mapping.dmp
  • memory/1820-61-0x0000000075511000-0x0000000075513000-memory.dmp
    Filesize

    8KB