Overview

overview

10

Static

static

1

bbe4ba566d...7f.exe

windows7-x64

10

bbe4ba566d...7f.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    bbe4ba566d229a405da3af72193d297f.exe

  • Size

    1.3MB

  • Sample

    230205-z1kw5sah45

  • MD5

    bbe4ba566d229a405da3af72193d297f

  • SHA1

    ffb73821d698bc2e32f1a32c7adf95e66520c7a8

  • SHA256

    aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107

  • SHA512

    a3ba9225b2719f482f807fe91217cdccbb9c415d54a8cd4531960bf20456868ba7fb1be2e473c26f306c33b74615a6f5192f0c852dca25c66e6d63a4cbb25529

  • SSDEEP

    24576:8ixNAopnJcU4TgHosbIY95AcS1h9VOzYJ0Natxb:8iFpnx4TUosbIYEcSGQ06

Score
10/10
nanocorepurecrypterdownloaderevasionkeyloggerloaderpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

rcontrol4sec.ddnsgeek.com:5080

127.0.0.1:5080
Mutex

19b525d2-02f6-47c5-b606-1d038212d191

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-11-12T11:11:53.819338936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5080

  • default_group

    Set

  • 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

    19b525d2-02f6-47c5-b606-1d038212d191

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    rcontrol4sec.ddnsgeek.com

  • 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

Targets

    • Target

      bbe4ba566d229a405da3af72193d297f.exe

    • Size

      1.3MB

    • MD5

      bbe4ba566d229a405da3af72193d297f

    • SHA1

      ffb73821d698bc2e32f1a32c7adf95e66520c7a8

    • SHA256

      aeb8e080b996a75f85bb82e2e7a42d0302735713f34fb95fff1bfb97a030e107

    • SHA512

      a3ba9225b2719f482f807fe91217cdccbb9c415d54a8cd4531960bf20456868ba7fb1be2e473c26f306c33b74615a6f5192f0c852dca25c66e6d63a4cbb25529

    • SSDEEP

      24576:8ixNAopnJcU4TgHosbIY95AcS1h9VOzYJ0Natxb:8iFpnx4TUosbIYEcSGQ06

    Score
    10/10
    nanocorepurecrypterdownloaderevasionkeyloggerloaderpersistencespywarestealertrojan

    • Detect PureCrypter injector

      loader

    • Modifies WinLogon for persistence

      persistence

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • Checks computer location settings

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

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks