Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 12:33

General

  • Target

    10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe

  • Size

    2.4MB

  • MD5

    66b8734bf63417e42501295ae9897c49

  • SHA1

    052e282d2d6fb1ef51594a01496421c1d5953d1e

  • SHA256

    10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff

  • SHA512

    b351e270cbd07bc2e2ed2d1a247a19c215792671177ee3b78aaae4f2d3a5106002749c289ef4c75a17925edbf34da2dfe047b6c46565a8e7edbfd7cc420302aa

  • SSDEEP

    49152:bh+ZkldoPK8Ya8bh+ZkldoPK8YauAcfjCb:E2cPK8J2cPK8FAI

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

asorock0011.ddns.net:3883

wcbradley.duckdns.org:3883

Mutex

085f7dcc-185c-430c-8509-24ff72383d6e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    wcbradley.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-11-25T14:42:34.851485336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3883

  • 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

    085f7dcc-185c-430c-8509-24ff72383d6e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    asorock0011.ddns.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

Extracted

Family

azorult

C2

http://fortillinco.com/raeymnbvcxz/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • NanoCore

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

  • Nanocore family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe
    "C:\Users\Admin\AppData\Local\Temp\10c5d885e75da4ac61c900f1d648c5ea66a6d82c8d9430e635918fbd7d9836ff.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\azo.exe
      "C:\Users\Admin\AppData\Local\Temp\azo.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2080
      • C:\Users\Admin\AppData\Local\Temp\azo.exe
        "C:\Users\Admin\AppData\Local\Temp\azo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2684
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\azo.exe

    Filesize

    1.1MB

    MD5

    9ff456db9d73f0e2bf40b9dd88da80da

    SHA1

    d95790dc876c3b092a1e94df2ac6da5ba2a60351

    SHA256

    68b5f994f6e7d486f31e6259f0088e8e95f5db4a86457d321c141d94bb72e6b0

    SHA512

    a2ff739cb36de9c5bab32b0083f11ef5a1191e93cb21d4b9df8762c1baf8e0e9fb73f3be3eb5be8d74be576f3a6bde70002ceb4487b052a1b48e37ae0f2f2fb2

  • memory/1644-14-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/2684-31-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2684-28-0x00000000001B0000-0x00000000001D0000-memory.dmp

    Filesize

    128KB

  • memory/2684-35-0x00000000001B0000-0x00000000001D0000-memory.dmp

    Filesize

    128KB

  • memory/2684-26-0x00000000001B0000-0x00000000001D0000-memory.dmp

    Filesize

    128KB

  • memory/2876-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2876-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2876-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2876-23-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2876-24-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB