Analysis

  • max time kernel
    45s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    29-01-2021 16:32

General

  • Target

    2208753-866432.exe

  • Size

    738KB

  • MD5

    7ae68ae42c52e44214e16fbcfadedf77

  • SHA1

    27c1f3ae72ebcb1c8d3016db33315e89ff45f746

  • SHA256

    9fd0537c678db10eee64980080671ba87801e41004c88819bf670a270c3931e1

  • SHA512

    9941421afdb4acd8a7973999ce65541f33d6f8e65693e6af7dd72ad3c151e4f97735c5c229c2ef9d7ed4fe36a2737210a3025af3c2bd8b3244a4f81ea9c1f128

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fgtrert.duckdns.org:4948

qweerreww.duckdns.org:4948

Mutex

f9d67c34-3506-4888-9966-78d7bc0f3872

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    qweerreww.duckdns.org

  • backup_dns_server

    qweerreww.duckdns.org

  • buffer_size

    65535

  • build_time

    2020-11-08T18:33:11.699418536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4948

  • 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

    f9d67c34-3506-4888-9966-78d7bc0f3872

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    fgtrert.duckdns.org

  • primary_dns_server

    fgtrert.duckdns.org

  • 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

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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
    "C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:576
    • C:\Users\Admin\AppData\Local\Temp\2208753-866432.exe
      "{path}"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2208753-866432.exe.log

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/576-3-0x0000000000D50000-0x0000000000D51000-memory.dmp

    Filesize

    4KB

  • memory/576-5-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

    Filesize

    4KB

  • memory/576-6-0x00000000057B0000-0x00000000057B1000-memory.dmp

    Filesize

    4KB

  • memory/576-7-0x0000000005720000-0x0000000005721000-memory.dmp

    Filesize

    4KB

  • memory/576-8-0x0000000005790000-0x0000000005791000-memory.dmp

    Filesize

    4KB

  • memory/576-9-0x0000000005A40000-0x0000000005A44000-memory.dmp

    Filesize

    16KB

  • memory/576-10-0x0000000007C00000-0x0000000007C01000-memory.dmp

    Filesize

    4KB

  • memory/576-11-0x0000000007600000-0x000000000765D000-memory.dmp

    Filesize

    372KB

  • memory/576-2-0x0000000073190000-0x000000007387E000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-23-0x0000000004E90000-0x0000000004E95000-memory.dmp

    Filesize

    20KB

  • memory/2316-28-0x00000000062B0000-0x00000000062B6000-memory.dmp

    Filesize

    24KB

  • memory/2316-15-0x0000000073190000-0x000000007387E000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-22-0x0000000005120000-0x0000000005121000-memory.dmp

    Filesize

    4KB

  • memory/2316-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2316-24-0x00000000059F0000-0x0000000005A09000-memory.dmp

    Filesize

    100KB

  • memory/2316-25-0x0000000005170000-0x0000000005173000-memory.dmp

    Filesize

    12KB

  • memory/2316-26-0x0000000006260000-0x000000000626D000-memory.dmp

    Filesize

    52KB

  • memory/2316-27-0x0000000006270000-0x0000000006285000-memory.dmp

    Filesize

    84KB

  • memory/2316-13-0x000000000041E792-mapping.dmp

  • memory/2316-29-0x00000000062C0000-0x00000000062CC000-memory.dmp

    Filesize

    48KB

  • memory/2316-30-0x00000000062D0000-0x00000000062D7000-memory.dmp

    Filesize

    28KB

  • memory/2316-31-0x00000000062E0000-0x00000000062E6000-memory.dmp

    Filesize

    24KB

  • memory/2316-32-0x00000000062F0000-0x00000000062FD000-memory.dmp

    Filesize

    52KB

  • memory/2316-33-0x0000000006300000-0x0000000006309000-memory.dmp

    Filesize

    36KB

  • memory/2316-34-0x0000000006310000-0x000000000631F000-memory.dmp

    Filesize

    60KB

  • memory/2316-35-0x0000000006470000-0x000000000647A000-memory.dmp

    Filesize

    40KB

  • memory/2316-36-0x0000000006480000-0x00000000064A9000-memory.dmp

    Filesize

    164KB

  • memory/2316-37-0x00000000064C0000-0x00000000064CF000-memory.dmp

    Filesize

    60KB

  • memory/2316-38-0x0000000006550000-0x0000000006551000-memory.dmp

    Filesize

    4KB