Overview

overview

10

Static

static

85be654740...a3.exe

windows7_x64

10

85be654740...a3.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28/06/2022, 11:14

Sharing

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General

  • Target
    85be6547409011c0804230f2f09f7ca3.exe
  • Size 641KB
  • Sample220628-nbzhfshaar
  • SHA256 1d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
  • MD5 SHA1 SHA512
Score
10/10
xloadernn40loaderrat

Malware Config

Extracted

Family

  • xloader

Version

  • 2.8

Campaign

  • nn40

Decoy

  • LYAg0yANOGEAGeaFOrA/

  • MQWuERZplP+VZy/uszI=

  • CF0oDN0JimIaGy/uszI=

  • ltJnyC+ReohYaiTvj1qbEA==

  • B9OkgdctVKBAFjSUaw==

  • sbDVwSZVVqVB11/deow8GA==

  • v1gHDe0pzno=

  • i+/0n2vHUfGPR98k77tukZ90MQ==

  • SUtCnbS96Qm21g==

  • 8X9qzyt1dpAo31jXrXfKb49fBPY=

  • 5KlPxqHzSstuFjSUaw==

  • 0r/Kesv/zuanroxvNQW0Gm8=

  • FFgS7kfPYAqpdhhgRgnBJHY=

  • LgusAHrkrIoWr0FWIe2o/04UXPw=

  • vBq9Gvxa9wbKbS/uszI=

  • Z+q6HAZNNeqwwQ==

  • wbS4fMb06SjU5Kbseow8GA==

  • 1mZEuZvJ/m0L9bof56PkkZ90MQ==

  • JCJIM74lHk/o+tiFOrA/

  • d14FrM8rGEgIzVkT67+3XaEh

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • Xloader Payload 1 IoCs
    rat
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe
    "C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe
      "C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4848

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1032-130-0x0000000000BB0000-0x0000000000C56000-memory.dmp
        Download

        memory/1032-131-0x0000000005AB0000-0x0000000006054000-memory.dmp
        Download

        memory/1032-132-0x0000000005600000-0x0000000005692000-memory.dmp
        Download

        memory/1032-133-0x0000000005790000-0x000000000579A000-memory.dmp
        Download

        memory/1032-134-0x00000000078E0000-0x000000000797C000-memory.dmp
        Download

        memory/4848-136-0x0000000000400000-0x000000000042C000-memory.dmp
        Download

        memory/4848-137-0x0000000000EF0000-0x000000000123A000-memory.dmp
        Download