Overview

overview

10

Static

static

27ec38fc9a...90.exe

windows7_x64

10

27ec38fc9a...90.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    52s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-04-2022 07:53

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General

  • Target

    27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe

  • Size

    1.6MB

  • MD5

    f5ba983bc18a11b81d4ef14d933053ae

  • SHA1

    0d43985475f4f9a33e242fb2c45ec2245ff0093f

  • SHA256

    27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

  • SHA512

    484bebb520440dbb61f3e4bfb30f95491ca8125d5892dde4434eae13986524e6a8b57279fa960ae9cae88e1d5592033b1e89562ac38d2c88eb170b251efa293e

Score
10/10
massloggercollectionpersistencespywarestealer

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    stealerspywaremasslogger
  • MassLogger Main Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
    "C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3576
    • C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
      "C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe"
      2⤵
        PID:1656
      • C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe
        "C:\Users\Admin\AppData\Local\Temp\27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990.exe"
        2⤵
        • Checks computer location settings
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:3440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1656-131-0x0000000000000000-mapping.dmp

      Download

    • memory/3440-132-0x0000000000000000-mapping.dmp

      Download

    • memory/3440-133-0x0000000000400000-0x0000000000486000-memory.dmp

      Filesize

      536KB

      Download

    • memory/3440-134-0x0000000005A90000-0x0000000005B22000-memory.dmp

      Filesize

      584KB

      Download

    • memory/3440-135-0x00000000060E0000-0x0000000006684000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/3440-136-0x0000000006980000-0x00000000069E6000-memory.dmp

      Filesize

      408KB

      Download

    • memory/3440-137-0x00000000072F0000-0x0000000007340000-memory.dmp

      Filesize

      320KB

      Download

    • memory/3440-138-0x0000000007280000-0x000000000728A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/3440-139-0x00000000073E0000-0x000000000747C000-memory.dmp

      Filesize

      624KB

      Download

    • memory/3576-130-0x00000000009F0000-0x0000000000B96000-memory.dmp

      Filesize

      1.6MB

      Download