Overview

overview

10

Static

static

10

6f91cb1add...18.exe

windows7-x64

10

6f91cb1add...18.exe

windows10-2004-x64

10

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General

  • Target

    6f91cb1add0cd6ab354136abea8aeaf6_JaffaCakes118

  • Size

    768KB

  • Sample

    240524-x14yxagb4t

  • MD5

    6f91cb1add0cd6ab354136abea8aeaf6

  • SHA1

    32aa99408052c3d02f5ae7e3d7febe8b8efa1d31

  • SHA256

    d98b360e720475ce31f7c4166e070aebeabdbc93030638471bd46830e357ac2b

  • SHA512

    40c24da1054bfcd310f66ab85d130f7a489efc3bcad96e323448408455064f749642b3210a2a9601f1cb79d5d2ce585717713463fcfd5400f1ec16f6d674e927

  • SSDEEP

    6144:k9yTy7uBrWgbDM1SWF3BrKFo9djMwaKmejO0PfUR/45YW4oZ1:9u7u0hV3Ldj8KmejFa/W4oZ1

Score
10/10
nanocoreneshtaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ayewhatsgoodbrolmao.duckdns.org:1689

Mutex

ed58a5b4-4802-46f0-9695-e5f1b9681af3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-05-03T02:59:00.930314836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1689

  • 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

    ed58a5b4-4802-46f0-9695-e5f1b9681af3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ayewhatsgoodbrolmao.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

Targets

    • Target

      6f91cb1add0cd6ab354136abea8aeaf6_JaffaCakes118

    • Size

      768KB

    • MD5

      6f91cb1add0cd6ab354136abea8aeaf6

    • SHA1

      32aa99408052c3d02f5ae7e3d7febe8b8efa1d31

    • SHA256

      d98b360e720475ce31f7c4166e070aebeabdbc93030638471bd46830e357ac2b

    • SHA512

      40c24da1054bfcd310f66ab85d130f7a489efc3bcad96e323448408455064f749642b3210a2a9601f1cb79d5d2ce585717713463fcfd5400f1ec16f6d674e927

    • SSDEEP

      6144:k9yTy7uBrWgbDM1SWF3BrKFo9djMwaKmejO0PfUR/45YW4oZ1:9u7u0hV3Ldj8KmejFa/W4oZ1

    Score
    10/10
    nanocoreneshtaevasionkeyloggerpersistencespywarestealertrojan

    • Detect Neshta payload

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

      persistencespywareneshta

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks