Analysis

  • max time kernel
    152s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2022 14:38

General

  • Target

    2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe

  • Size

    159KB

  • MD5

    7c5285cf6b2cdbc1c6ac66236b1f0180

  • SHA1

    bbee19df0ea9ef80fec4f85f6b8c50904f7c7d5f

  • SHA256

    2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d

  • SHA512

    e330c4fc030229e3dea7a6f9fe031da1ed86aa483edba28b7c75179e993c377bd89b9b2b79ecf59166a16292f19c521dece19817cf24f5d6d247df3cb7eff5ad

  • SSDEEP

    3072:nZO06GYDQu9j/J4Oy1emLjNI3n3xZJyDSjQ0C7TOacVxNqnDonU:ZOIYDQsj/2Oy1xLjN+3/VQ0UWqnDon

Malware Config

Extracted

Family

nanocore

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    0

  • build_time

    0001-01-01T00:00:00Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    0

  • connection_port

    0

  • default_group

  • enable_debug_mode

    false

  • gc_threshold

    0

  • keep_alive_timeout

    0

  • keyboard_logging

    false

  • lan_timeout

    0

  • max_packet_size

    0

  • mutex

  • mutex_timeout

    0

  • prevent_system_sleep

    false

  • primary_connection_host

  • primary_dns_server

  • request_elevation

    false

  • restart_delay

    0

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    0

  • use_custom_dns_server

    false

  • version

  • wan_timeout

    0

Signatures

  • NanoCore

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe
    "C:\Users\Admin\AppData\Local\Temp\2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe
      C:\Users\Admin\AppData\Local\Temp\2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe
      2⤵
      • Checks whether UAC is enabled
      PID:408

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\2dc2465316e6a56ec64c1195dba1eec9de1b5c7795d77f14b849cec7c91a7c1d.exe.log
    Filesize

    224B

    MD5

    c19eb8c8e7a40e6b987f9d2ee952996e

    SHA1

    6fc3049855bc9100643e162511673c6df0f28bfb

    SHA256

    677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a

    SHA512

    860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596

  • memory/408-134-0x0000000000000000-mapping.dmp
  • memory/408-135-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/408-138-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/408-139-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/3004-132-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/3004-133-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB

  • memory/3004-137-0x0000000074C60000-0x0000000075211000-memory.dmp
    Filesize

    5.7MB