Overview

overview

10

Static

static

Factura Adiego.exe

windows7_x64

10

Factura Adiego.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    22/07/2020, 10:16

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General

  • Target
    Factura Adiego.exe
  • Size 810KB
  • Sample200722-sd19w98k3e
  • SHA256 585dbee4540fb6bf72116be77c1902ef1c1a716a70b491b674f72bfae3db2569
  • MD5 SHA1 SHA512
Score
10/10
upxevasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 79.134.225.12:1414

Mutex

  • c6a98da5-e0f9-45b5-be57-98059178c440

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    79.134.225.12

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-04-20T13:14:05.944029236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1414

  • default_group

    Directdeposit

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    c6a98da5-e0f9-45b5-be57-98059178c440

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    79.134.225.12

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • NTFS ADS 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore
  • Suspicious behavior: EnumeratesProcesses 1366 IoCs
  • Loads dropped DLL 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Factura Adiego.exe
    "C:\Users\Admin\AppData\Local\Temp\Factura Adiego.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1344
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:1224
      • C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe
        "C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        • Executes dropped EXE
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        PID:1428
        • C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe
          "C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious behavior: GetForegroundWindowSpam
          • Checks whether UAC is enabled
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1600
        • C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe
          "C:\Users\Admin\AppData\Roaming\Host Process for windows task\Taskhostw.exe" 2 1600 67517
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:340

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1224-1-0x0000000000090000-0x0000000000091000-memory.dmp
        Download

        memory/1600-12-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/1600-7-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/1600-13-0x0000000000400000-0x000000000047F000-memory.dmp
        Download

        memory/1600-14-0x00000000002E0000-0x0000000000318000-memory.dmp
        Download

        memory/1600-15-0x0000000000232000-0x0000000000233000-memory.dmp
        Download

        memory/1600-16-0x0000000000240000-0x0000000000273000-memory.dmp
        Download