Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 19:18

General

  • Target

    646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe

  • Size

    572KB

  • MD5

    8d5fd2c8bc4d982da1c485cf74c46765

  • SHA1

    18f93a8e6cdd66bee899f44c7cccb48042845264

  • SHA256

    646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b

  • SHA512

    f2dfc126d6420076a5b2e9ee17d629fc918bf85351f8ec713ffc5ceaedc49248819c4640de68994eaa5a9b9ffa3a8047687bf86e4ca930e79562ce068c06de27

  • SSDEEP

    12288:6kEXrMbgg13Qz44Tc7QFjFgY/2KpqcvkwdFSV77BWLhsci3Zya:yXrggg644Tc7QJFgI2K8bwdohWta

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kingsley2022.bounceme.net:6932

212.192.246.6:6932

Mutex

72b7100f-22f0-42b3-85c4-1a4937eed644

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    212.192.246.6

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-11-29T11:00:23.558981436Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6932

  • 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

    72b7100f-22f0-42b3-85c4-1a4937eed644

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    kingsley2022.bounceme.net

  • 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

Signatures

  • NanoCore

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

  • Nanocore family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe
    "C:\Users\Admin\AppData\Local\Temp\646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe
      "C:\Users\Admin\AppData\Local\Temp\646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC7E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2272
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCDD.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\646e7dd2bba008392792aa442f895d5747a1bdc0fa4531fb405e28518b9f9e8b.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • C:\Users\Admin\AppData\Local\Temp\tmpC7E.tmp

    Filesize

    1KB

    MD5

    b120635dac76e324181b793954571c7e

    SHA1

    0b99170cdabd2a1c36a315f3b25d506d8134a9e6

    SHA256

    de20f07cada0f2f5a3dd15d2976dad4b01bde31136951cda3f7890cef4a24824

    SHA512

    ba7ed1054b83c487dc90f5ea9ed67bc789c087d602ebb98ca3f1b917ace484e6f4a6a0b747a154c84e688c5ad3e1cc8bc9bf6fbda7eedffe03d82bb3a1afaf35

  • C:\Users\Admin\AppData\Local\Temp\tmpCDD.tmp

    Filesize

    1KB

    MD5

    2862e61d09852ea2886c036af0465051

    SHA1

    45e30b14543868213f7f1cba0a1e0cc840fb2cd2

    SHA256

    d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

    SHA512

    33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

  • memory/1816-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1816-30-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-29-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-28-0x0000000006300000-0x000000000630A000-memory.dmp

    Filesize

    40KB

  • memory/1816-27-0x0000000005660000-0x000000000567E000-memory.dmp

    Filesize

    120KB

  • memory/1816-26-0x0000000005650000-0x000000000565A000-memory.dmp

    Filesize

    40KB

  • memory/1816-18-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/1816-16-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-6-0x0000000005600000-0x0000000005610000-memory.dmp

    Filesize

    64KB

  • memory/2808-7-0x000000007477E000-0x000000007477F000-memory.dmp

    Filesize

    4KB

  • memory/2808-11-0x0000000006F00000-0x0000000006F66000-memory.dmp

    Filesize

    408KB

  • memory/2808-10-0x0000000006E00000-0x0000000006E7C000-memory.dmp

    Filesize

    496KB

  • memory/2808-17-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-9-0x0000000006C70000-0x0000000006D0C000-memory.dmp

    Filesize

    624KB

  • memory/2808-8-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-12-0x0000000006E90000-0x0000000006ECA000-memory.dmp

    Filesize

    232KB

  • memory/2808-0-0x000000007477E000-0x000000007477F000-memory.dmp

    Filesize

    4KB

  • memory/2808-5-0x0000000005380000-0x000000000538A000-memory.dmp

    Filesize

    40KB

  • memory/2808-4-0x0000000074770000-0x0000000074F20000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-3-0x00000000052E0000-0x0000000005372000-memory.dmp

    Filesize

    584KB

  • memory/2808-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

    Filesize

    5.6MB

  • memory/2808-1-0x0000000000840000-0x00000000008D4000-memory.dmp

    Filesize

    592KB