Overview

overview

7

Static

static

44459.8061...in.dll

windows7_x64

7

44459.8061...in.dll

windows10_x64

7

Analysis

  • max time kernel
    116s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    20/09/2021, 17:29

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General

  • Target
    44459.8061394676.bin.dll
  • Size 823KB
  • Sample210920-v2kkjseff2
  • SHA256 63deda6fe8af221a650f6ba6a2ee6c7fec17f10bc5e063c9b0aaee4981a01150
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.8061394676.bin.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\44459.8061394676.bin.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2516
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /Create /RU "NT AUTHORITY\SYSTEM" /tn ipuqkllwo /tr "regsvr32.exe -s \"C:\Users\Admin\AppData\Local\Temp\44459.8061394676.bin.dll\"" /SC ONCE /Z /ST 17:31 /ET 17:43
          4⤵
          • Creates scheduled task(s)
          PID:3148
  • \??\c:\windows\system32\regsvr32.exe
    regsvr32.exe -s "C:\Users\Admin\AppData\Local\Temp\44459.8061394676.bin.dll"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Windows\SysWOW64\regsvr32.exe
      -s "C:\Users\Admin\AppData\Local\Temp\44459.8061394676.bin.dll"
      2⤵
      • Loads dropped DLL
      PID:808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 808 -s 596
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2516-117-0x0000000073700000-0x00000000737EA000-memory.dmp
        Download

        memory/2516-116-0x0000000073700000-0x0000000073721000-memory.dmp
        Download

        memory/2516-118-0x0000000000800000-0x00000000008AE000-memory.dmp
        Download

        memory/2684-123-0x0000000000B60000-0x0000000000B81000-memory.dmp
        Download