Analysis

  • max time kernel
    159s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2023 17:34

General

  • Target

    mkpub_Donot_HUF_inc_var.dll

  • Size

    915KB

  • MD5

    af462fca119c46d1197aadfa2f3cf3e6

  • SHA1

    9a74c4488b6b60a4bdc90837b059ebac851e8d84

  • SHA256

    113dbee84b185e7849a82c0828c898235140c63e2f2a2402f1b09f1586b4e654

  • SHA512

    6bbb5dce3f5b55831db294b850888b55516d9a9571f7b2440494f8e8d9a138c75dc7c3dc5d6112fe38d4f736b21dd28d1e9f9601a0efddb85d970919b5e1908f

  • SSDEEP

    24576:HqrDE+5FZ0sdT22UguL369RNoFPorl6vBX56IsbX:g5FGsdpUgubSRNoFPoQBX56N

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\mkpub_Donot_HUF_inc_var.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\mkpub_Donot_HUF_inc_var.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\SearchProtocolHost.exe
        "C:\Windows\System32\SearchProtocolHost.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4996
        • C:\Windows\SysWOW64\whoami.exe
          whoami.exe /all
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3928
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig.exe /all
          4⤵
          • Gathers network information
          PID:2628
        • C:\Windows\SysWOW64\netstat.exe
          netstat.exe -aon
          4⤵
          • Gathers network information
          • Suspicious use of AdjustPrivilegeToken
          PID:1312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1744-0-0x0000000002A00000-0x0000000002AC0000-memory.dmp

    Filesize

    768KB

  • memory/1744-1-0x0000000002BA0000-0x0000000002C6D000-memory.dmp

    Filesize

    820KB

  • memory/1744-6-0x0000000002BA0000-0x0000000002C6D000-memory.dmp

    Filesize

    820KB

  • memory/4996-2-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-4-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-5-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-7-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-8-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-9-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-10-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB

  • memory/4996-12-0x0000000000160000-0x00000000001AC000-memory.dmp

    Filesize

    304KB