Resubmissions

18-05-2021 21:02

210518-4nn39mdaee 10

18-05-2021 19:36

210518-pw8287wyc2 10

Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    18-05-2021 19:36

General

  • Target

    4802545.xs2.dll

  • Size

    110KB

  • MD5

    cfb94c893280fd1edd40a4c74031727a

  • SHA1

    9bf1f365e14842621854282f976b890478816a77

  • SHA256

    3205ebcea1f138f0171ff3815d594883805b4af48a24bc0d6228d0b0ee12ddb4

  • SHA512

    31b573054e5963c939cab24b48a8610f757ea94eba21c5101f2df3ffd8fc3120327795692feda7d448091a93b4befb389eed48e17662d7f2e3b19cc441a56988

Score
10/10

Malware Config

Signatures

  • Nloader

    Simple loader that includes the keyword 'campo' in the URL used to download other families.

  • Nloader Payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4802545.xs2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4802545.xs2.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:684

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/684-114-0x0000000000000000-mapping.dmp
  • memory/684-115-0x0000000000150000-0x0000000000155000-memory.dmp
    Filesize

    20KB