Overview

overview

10

Static

static

8be48a6508...6b.exe

windows7_x64

10

8be48a6508...6b.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24-06-2020 14:56

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General

  • Target

    8be48a6508ced97bdd4d41459ef5e858b505b150fd3ea2d00229e6a72bb9a36b.exe

  • Size

    1.3MB

  • MD5

    75b1ea598db63322ecf531e7053b4a61

  • SHA1

    f8b96455a4a74d7eb749d33cd6a9e0c7e0c2691c

  • SHA256

    8be48a6508ced97bdd4d41459ef5e858b505b150fd3ea2d00229e6a72bb9a36b

  • SHA512

    8287ff99d721c834a20c70c32c26b45b91b02a00f5c1d380009b8af5b76ab9c24b91b22eff1f7c56fae22c7f718bab0ee38133e64b987e676d1075df2554b8b8

Score
10/10
persistenceevasiontrojankeyloggerstealerspywarenanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

elvis4.ddns.net:7662

Mutex

fae0afe4-3bae-4efb-b490-d55a5de6dea4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-15T01:30:33.486781236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7662

  • default_group

    june

  • 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

    fae0afe4-3bae-4efb-b490-d55a5de6dea4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    elvis4.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Adds Run entry to start application 2 TTPs 1 IoCs
    persistence
  • Drops startup file 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Drops file in Program Files directory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8be48a6508ced97bdd4d41459ef5e858b505b150fd3ea2d00229e6a72bb9a36b.exe
    "C:\Users\Admin\AppData\Local\Temp\8be48a6508ced97bdd4d41459ef5e858b505b150fd3ea2d00229e6a72bb9a36b.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetThreadContext
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1756
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of AdjustPrivilegeToken
      • Adds Run entry to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Drops file in Program Files directory
      PID:3892

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3892-0-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/3892-1-0x000000000041E792-mapping.dmp
    Download