Resubmissions

04-03-2021 12:10

210304-qr6mw1cm2n 10

20-04-2020 15:56

200420-3fqpsvqdmx 10

Analysis

  • max time kernel
    122s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    04-03-2021 12:10

General

  • Target

    f.dll

  • Size

    512KB

  • MD5

    fa9b3dfdb4b97dfe0db5991472f89399

  • SHA1

    5677f26e926c8c8d7f7bf7eb085a9e48549a268b

  • SHA256

    3648fe001994cb9c0a6b510213c268a6bd4761a3a99f3abb2738bf84f06d11cf

  • SHA512

    e5ac96e3ef6ee9fa110b433c1c49a7f16f4ba6694ec76e10d31848ecd4f284b6845508979758a16121a63d6c4a1af2103268d6e03fbb1c6672005090d560cc74

Score
10/10

Malware Config

Signatures

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:952

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/952-5-0x0000000000000000-mapping.dmp
  • memory/952-6-0x00000000023B0000-0x00000000023E4000-memory.dmp
    Filesize

    208KB

  • memory/3936-2-0x0000000000000000-mapping.dmp
  • memory/3936-3-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/3936-4-0x0000000003030000-0x0000000003031000-memory.dmp
    Filesize

    4KB