Overview

overview

10

Static

static

3

55c3c36dcb...18.exe

windows7-x64

10

55c3c36dcb...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118

  • Size

    461KB

  • Sample

    240518-vaqx9ada8w

  • MD5

    55c3c36dcb62a5e8ebd0ff41e07cf4d3

  • SHA1

    68721bf5ac9732c076bea84d466c09cd4b099bbc

  • SHA256

    4c36c6698bdc43b8ec9a9745b1c106b2035f0892b0b7b36ddb08701d4a795b49

  • SHA512

    35d28442975affe91102a27483624103802a92b887bc077bf3c1afaaa1d28da56ecfbf7ae3ce8149a15e115dd59ef9257992a59526e13f45ec155b6509101e76

  • SSDEEP

    6144:Ac7xeEXpi/whlpjKmTIbICh1yvFNc6LqI00K1On/GYNzfafDkufKSkxGsRByJkvO:B7xeE5zhlpjKmTIXyfTLy0oOm4gnkk+K

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.231.113.95:5401

Mutex

449dabd0-b2cc-40a3-9d7c-418ef76898a8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.231.113.95

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-07-04T20:55:16.048555336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5401

  • default_group

    pappay

  • 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

    449dabd0-b2cc-40a3-9d7c-418ef76898a8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    185.231.113.95

  • 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

Targets

    • Target

      55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118

    • Size

      461KB

    • MD5

      55c3c36dcb62a5e8ebd0ff41e07cf4d3

    • SHA1

      68721bf5ac9732c076bea84d466c09cd4b099bbc

    • SHA256

      4c36c6698bdc43b8ec9a9745b1c106b2035f0892b0b7b36ddb08701d4a795b49

    • SHA512

      35d28442975affe91102a27483624103802a92b887bc077bf3c1afaaa1d28da56ecfbf7ae3ce8149a15e115dd59ef9257992a59526e13f45ec155b6509101e76

    • SSDEEP

      6144:Ac7xeEXpi/whlpjKmTIbICh1yvFNc6LqI00K1On/GYNzfafDkufKSkxGsRByJkvO:B7xeE5zhlpjKmTIXyfTLy0oOm4gnkk+K

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

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

    • 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

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks