Overview

overview

10

Static

static

3

e28f241aec...83.exe

windows7-x64

10

e28f241aec...83.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    e28f241aecdb850910f2e2dea30dcbc23d31578ea3b7a74c9fa30460669f7c83.exe

  • Size

    601KB

  • Sample

    240612-cw3j3ayfpg

  • MD5

    a22d0177e9d6943719508b77ed4ac91f

  • SHA1

    a9fac95535d4ef69a6f7b0550ed6bba65f96dbc3

  • SHA256

    e28f241aecdb850910f2e2dea30dcbc23d31578ea3b7a74c9fa30460669f7c83

  • SHA512

    ce7de781add996902983ca70edb86219a947347dc3990da542cbbdd33a869b92a1ec537974f154230df82ab64ef3474a8d20c9167c2434ca9b1013c4522fb949

  • SSDEEP

    12288:H+jJ7GB/lLTXVzTpmGlWK74RTeQUj5VJ1MwzMRs5ax7W:H+dKB/lnVHMGMK74VfUjXTMEMRCa8

Score
10/10
nanocoreevasionexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

staywicked99.ddns.net:63882

127.0.0.1:63882
Mutex

6f75db72-72d4-402c-b879-6fc19c6f2e39

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2024-03-05T14:12:07.229634536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    63882

  • default_group

    FINGERS

  • 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

    6f75db72-72d4-402c-b879-6fc19c6f2e39

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    staywicked99.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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

Targets

    • Target

      e28f241aecdb850910f2e2dea30dcbc23d31578ea3b7a74c9fa30460669f7c83.exe

    • Size

      601KB

    • MD5

      a22d0177e9d6943719508b77ed4ac91f

    • SHA1

      a9fac95535d4ef69a6f7b0550ed6bba65f96dbc3

    • SHA256

      e28f241aecdb850910f2e2dea30dcbc23d31578ea3b7a74c9fa30460669f7c83

    • SHA512

      ce7de781add996902983ca70edb86219a947347dc3990da542cbbdd33a869b92a1ec537974f154230df82ab64ef3474a8d20c9167c2434ca9b1013c4522fb949

    • SSDEEP

      12288:H+jJ7GB/lLTXVzTpmGlWK74RTeQUj5VJ1MwzMRs5ax7W:H+dKB/lnVHMGMK74VfUjXTMEMRCa8

    Score
    10/10
    nanocoreevasionexecutionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Detects executables packed with or use KoiVM

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks