Overview

overview

10

Static

static

5

Quotation ...20.exe

windows7_x64

10

Quotation ...20.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 18:41

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General

  • Target

    Quotation Sheet_#RFQ25052020.exe

  • Size

    1.2MB

  • MD5

    2e197c506dbe05b5e614390215860d7d

  • SHA1

    2ffced59fccd83aa75a31bbacaca65545a737f4a

  • SHA256

    2be3bf37f2782236a81cef2fbfc1bc075d9ff92499d01587b04d14d5c9babdbc

  • SHA512

    e947c453fd4b558c42432041f2093e0c07c1dc38e4a795782478b59223d236ad0f11ea286174549d301a88cf2eb6f22dbebba52c331f8d1c311e7ff0b4ffc15c

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

eagleshth.ddns.net:1680

127.0.0.1:1680
Mutex

b951ab5e-704e-48e0-b051-d721c3dbf268

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-06T13:06:39.474076236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1680

  • default_group

    MAY25

  • 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

    b951ab5e-704e-48e0-b051-d721c3dbf268

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    eagleshth.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

  • NanoCore

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation Sheet_#RFQ25052020.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation Sheet_#RFQ25052020.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3132

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2208-136-0x0000000004EF0000-0x0000000004F56000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2208-137-0x0000000004D40000-0x0000000004DA6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3132-130-0x0000000000000000-mapping.dmp
    Download
  • memory/3132-131-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/3132-138-0x0000000073D40000-0x00000000742F1000-memory.dmp
    Filesize

    5.7MB

    Download