General

  • Target

    49eafd305c087014395f73e39363501f_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240516-htphbahb2y

  • MD5

    49eafd305c087014395f73e39363501f

  • SHA1

    d8f4be58cf3a05aa6aab6b50ccef12ebc21f05bb

  • SHA256

    510c92f4ed90b092940d8d47585e2a55d1ad71e7ecd87b3e6ec783ab23fc9ed9

  • SHA512

    7ba281fe90b1e8f2d7c9109f0a731a3766141c6f53bd4b0cf07bacb6925d1be677f97d56502cd78c7b2847434bce4a9b767de9d5292f847150affe55c118c80d

  • SSDEEP

    24576:/0CDJu+x6QjMLD3LzxEr3nPuSeXWWa3J4hGVyTmGaO3tdRmPddr2UmA5/qhooa69:/fD8G4i7PzeXQ5/N6devKUmA5zE

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

1337day.ddns.net:1900

Mutex

93979016-0516-4417-b883-a0edc923fe85

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    1337day.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-07-29T17:12:59.761069736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1900

  • 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

    93979016-0516-4417-b883-a0edc923fe85

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • 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

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

fal92.duckdns.org:10142

Mutex

3d25feee885880d8ab876c66d8b91d84

Attributes
  • reg_key

    3d25feee885880d8ab876c66d8b91d84

  • splitter

    |'|'|

Targets

    • Target

      NaxorCrypter.exe

    • Size

      2.2MB

    • MD5

      b29c154b97950a07caf5aa3e3795a4a1

    • SHA1

      8940008c6630ad14a42f76c72b63341adb406736

    • SHA256

      51a39194cd5c21c1de6e9724f9b5890a2b50f9d7e3b7fa003a5e50beb9559fb4

    • SHA512

      c21b40a6e412f0022da398212ddcf6cfdf51522715297d0275fb2983d936a1ace29f4f8a54f751617fc92121b825424389bdd096b9c59c4cff6a58a57bde7bc3

    • SSDEEP

      24576:NkGGdafLtcWAjB9XvdBqLP2XDBxkdgGAQjdhnF61A5w/8yYBBifgqH3P64F7:G4ovIbqxCTx5w/Xf5f

    • NanoCore

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

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Tasks