Overview

overview

10

Static

static

5

7b7f90e2b6...b4.exe

windows7-x64

10

7b7f90e2b6...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    189s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 16:27

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General

  • Target

    7b7f90e2b6120c0682a0b6ca8aeda78c6d1ba4770556c5085abd7d445bdf5eb4.exe

  • Size

    1.1MB

  • MD5

    889a2cc63fb01c14713569c744bc519e

  • SHA1

    f204a992973833ee0e49c9f618d2fbc7f4145be4

  • SHA256

    7b7f90e2b6120c0682a0b6ca8aeda78c6d1ba4770556c5085abd7d445bdf5eb4

  • SHA512

    9f18b6a34422eff087578dd3a9014692ce919b0a207c1c81c465b2123f0a1de8ef98e2404196b6a438993a4775aadddaea7394d0219f9a981ec8c46ca0e7846c

  • SSDEEP

    24576:YAHnh+eWsN3skA4RV1Hom2KXMmHa7TdDmb1EG2DVuX5:fh+ZkldoPK8Ya7T5mJTT

Score
10/10
nanocorekeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

etoiilefiiilante.duckdns.org:47581

127.0.0.1:47581
Mutex

9fa4b2de-f63a-4536-b4b6-eb1072cd77b3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-06-03T02:47:51.233857536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    47581

  • default_group

    Default

  • 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

    9fa4b2de-f63a-4536-b4b6-eb1072cd77b3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    etoiilefiiilante.duckdns.org

  • 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

  • NanoCore

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

    keyloggertrojanstealerspywarenanocore
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 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\7b7f90e2b6120c0682a0b6ca8aeda78c6d1ba4770556c5085abd7d445bdf5eb4.exe
    "C:\Users\Admin\AppData\Local\Temp\7b7f90e2b6120c0682a0b6ca8aeda78c6d1ba4770556c5085abd7d445bdf5eb4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:4664

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/4664-132-0x0000000000000000-mapping.dmp
    Download
  • memory/4664-133-0x00000000001C0000-0x00000000001F8000-memory.dmp
    Filesize

    224KB

    Download
  • memory/4664-138-0x0000000005060000-0x0000000005604000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4664-139-0x0000000004B50000-0x0000000004BE2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/4664-140-0x0000000004BF0000-0x0000000004C8C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4664-141-0x0000000004AE0000-0x0000000004AEA000-memory.dmp
    Filesize

    40KB

    Download