Analysis

  • max time kernel
    59s
  • max time network
    153s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-10-2022 09:15

General

  • Target

    d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe

  • Size

    850KB

  • MD5

    ec71d1b037b39fcc9fa829e1dd08ba6d

  • SHA1

    c60011b93a09062fb3113012cd46bbdd7bd5a184

  • SHA256

    d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2

  • SHA512

    639d8713c9c16316044738789dcdefd6a0d57adc765592adb8753512e6562596377173f7f9d8075f10a880ca83624a7e8b33cf30724397fcc8f85f06aa3e819f

  • SSDEEP

    12288:wfEu5B5r3M7KOxQIYavEkADr2HKvAdp5A+SRoMFW18PSGhYUmY:453/OYaPA2HKvA75AXRoMnBuU/

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

Mutex

f6041bb2-7c7b-4774-acc8-84a131b635ab

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    tzitziklishop.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-07-22T04:21:36.365135136Z

  • 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

    1665

  • default_group

    OCTOBER

  • 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

    f6041bb2-7c7b-4774-acc8-84a131b635ab

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    tzitziklishop.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

Signatures

  • NanoCore

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

  • 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
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 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\d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe
    "C:\Users\Admin\AppData\Local\Temp\d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe
      "C:\Users\Admin\AppData\Local\Temp\d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UPNP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7B79.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:4508
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "UPNP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7E78.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:4028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d8dfba049f939a3e1185d10a1f685e3607b8e4060a0e06ab038199592b222be2.exe.log

    Filesize

    1KB

    MD5

    12557ab909651a6f99d3503d614d3562

    SHA1

    b86745768059a514bea3a438e1e96086af463246

    SHA256

    9589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd

    SHA512

    10cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521

  • C:\Users\Admin\AppData\Local\Temp\tmp7B79.tmp

    Filesize

    1KB

    MD5

    5355fb7555a8ccfc85248782348776c6

    SHA1

    d4a58df92195b808dfd5263d1963ef3a0d68d072

    SHA256

    226e44d2c5c08391f1348eaf528372e3b7f9647458b2d3555aa9de52640095ba

    SHA512

    a67c9383c60488afaf13b986658cf14e9f49b956881f3e6cb9db511b2e0b831f5bb724458ed8f0c205ff3983d5522f6921e7b97380725dbfd76c17c8dd8ecb60

  • C:\Users\Admin\AppData\Local\Temp\tmp7E78.tmp

    Filesize

    1KB

    MD5

    f5c88edc70516bc96f4edf9ff3f5d7cd

    SHA1

    73d6689e32a97f3887fe88e0625fd3452ab480db

    SHA256

    87352900601dc127efe3ee3e9952e94a72aa04b02ff9e9e3e01ffa5a44edca4b

    SHA512

    2e69e1ad4b2c4236b55ace46b9dbc1e777cc109203f084cdb1263c74ae4035896d9b909e88f1f65b37a1551c6a3b0c0f9f2d22dbe7f6f49a8383ba56759ea1dd

  • memory/2732-120-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-121-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-122-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-123-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-124-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-125-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-126-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-127-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-128-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-129-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-130-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-131-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-132-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-133-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-134-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-135-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-136-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-137-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-138-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-139-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-140-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-141-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-142-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-143-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-144-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-145-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-146-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-147-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-148-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-149-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-150-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-151-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-152-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-153-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-154-0x0000000000C20000-0x0000000000CFA000-memory.dmp

    Filesize

    872KB

  • memory/2732-155-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-156-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-157-0x0000000005A90000-0x0000000005F8E000-memory.dmp

    Filesize

    5.0MB

  • memory/2732-158-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-159-0x0000000005590000-0x0000000005622000-memory.dmp

    Filesize

    584KB

  • memory/2732-160-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-161-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-162-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-163-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-164-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-165-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-166-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-167-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-168-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-169-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-170-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-171-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-172-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-173-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-174-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-175-0x0000000005530000-0x000000000553A000-memory.dmp

    Filesize

    40KB

  • memory/2732-176-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-177-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-178-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-179-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-180-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-181-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-182-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-183-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/2732-184-0x0000000007960000-0x0000000007978000-memory.dmp

    Filesize

    96KB

  • memory/2732-185-0x0000000006F90000-0x0000000006F9C000-memory.dmp

    Filesize

    48KB

  • memory/2732-186-0x0000000007180000-0x0000000007214000-memory.dmp

    Filesize

    592KB

  • memory/2732-187-0x000000000A0E0000-0x000000000A17C000-memory.dmp

    Filesize

    624KB

  • memory/2732-188-0x000000000A180000-0x000000000A1E6000-memory.dmp

    Filesize

    408KB

  • memory/2732-189-0x0000000007270000-0x00000000072AA000-memory.dmp

    Filesize

    232KB

  • memory/3352-190-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/3352-191-0x000000000041E792-mapping.dmp

  • memory/3352-192-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/3352-193-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/3352-194-0x0000000076F80000-0x000000007710E000-memory.dmp

    Filesize

    1.6MB

  • memory/3352-289-0x0000000005B50000-0x0000000005B5A000-memory.dmp

    Filesize

    40KB

  • memory/3352-290-0x0000000005B60000-0x0000000005B7E000-memory.dmp

    Filesize

    120KB

  • memory/3352-292-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

    Filesize

    40KB

  • memory/3352-299-0x0000000006960000-0x0000000006972000-memory.dmp

    Filesize

    72KB

  • memory/3352-300-0x0000000006970000-0x000000000698A000-memory.dmp

    Filesize

    104KB

  • memory/3352-301-0x0000000007100000-0x000000000710E000-memory.dmp

    Filesize

    56KB

  • memory/3352-302-0x0000000007110000-0x0000000007122000-memory.dmp

    Filesize

    72KB

  • memory/3352-303-0x0000000007120000-0x000000000712E000-memory.dmp

    Filesize

    56KB

  • memory/3352-304-0x0000000007130000-0x000000000713C000-memory.dmp

    Filesize

    48KB

  • memory/3352-305-0x0000000007140000-0x0000000007154000-memory.dmp

    Filesize

    80KB

  • memory/3352-306-0x0000000007150000-0x0000000007160000-memory.dmp

    Filesize

    64KB

  • memory/3352-307-0x0000000007160000-0x0000000007174000-memory.dmp

    Filesize

    80KB

  • memory/3352-308-0x0000000007180000-0x000000000718E000-memory.dmp

    Filesize

    56KB

  • memory/3352-309-0x0000000007190000-0x00000000071BE000-memory.dmp

    Filesize

    184KB

  • memory/3352-310-0x00000000071D0000-0x00000000071E4000-memory.dmp

    Filesize

    80KB

  • memory/4028-266-0x0000000000000000-mapping.dmp

  • memory/4508-247-0x0000000000000000-mapping.dmp