Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-01-2023 07:00

General

  • Target

    TNT AWB TRACKING DETAILS.exe

  • Size

    552KB

  • MD5

    92d6b5ea0091ae3fab2cd511b70260cc

  • SHA1

    a1a12e265c8ab6391b907484c9cbc78d2f8aa3a7

  • SHA256

    34affaaba3a4e52459471d0f1591fce1a555bd1525512a241bc0542dbe0f3e9e

  • SHA512

    d57be54539b39538e9302918f389e60429cd4f2c16c132a96a60497f8093208ffc65a35c8cf3074499260ff6a940675692421e36d907ff72b7ccef74555650f5

  • SSDEEP

    12288:rYNGCXnph4rAUTJkyuLALrYoFbcQ2Kqcfay:rYIKph4BnYubLJay

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chinomso.duckdns.org:7688

Mutex

550fe17f-82a7-425a-a9c7-b48d0fc640a0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    chinomso.duckdns.org

  • backup_dns_server

    chinomso.duckdns.org

  • buffer_size

    65535

  • build_time

    2022-10-04T09:40:25.305842836Z

  • 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

    7688

  • 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

    550fe17f-82a7-425a-a9c7-b48d0fc640a0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    chinomso.duckdns.org

  • primary_dns_server

    chinomso.duckdns.org

  • request_elevation

    false

  • 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.

  • Executes dropped EXE 3 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\TNT AWB TRACKING DETAILS.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe
      "C:\Users\Admin\AppData\Local\Temp\hiocqy.exe" C:\Users\Admin\AppData\Local\Temp\tmzcv.ci
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe
        "C:\Users\Admin\AppData\Local\Temp\hiocqy.exe"
        3⤵
        • Executes dropped EXE
        PID:3448
      • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe
        "C:\Users\Admin\AppData\Local\Temp\hiocqy.exe"
        3⤵
        • Executes dropped EXE
        • 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:5028
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "UPNP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA2AD.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:4896
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "UPNP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA32B.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:1412

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe

    Filesize

    90KB

    MD5

    ef249c312960cf6777685f4d4bf61b01

    SHA1

    86344ccbaa1f2d87e2d38dc08e0a07c95fd28361

    SHA256

    85a559430555eddb72eedcbd4616a63fd962b814d2c22756e5723105844ec446

    SHA512

    b12a4bf608c018e1c14d530c529780e83d6411d1684f02aadbd552e105d393cf9767d71342e5c5eefe97421a311e61e6347d75f6d4218de77877c38435e46223

  • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe

    Filesize

    90KB

    MD5

    ef249c312960cf6777685f4d4bf61b01

    SHA1

    86344ccbaa1f2d87e2d38dc08e0a07c95fd28361

    SHA256

    85a559430555eddb72eedcbd4616a63fd962b814d2c22756e5723105844ec446

    SHA512

    b12a4bf608c018e1c14d530c529780e83d6411d1684f02aadbd552e105d393cf9767d71342e5c5eefe97421a311e61e6347d75f6d4218de77877c38435e46223

  • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe

    Filesize

    90KB

    MD5

    ef249c312960cf6777685f4d4bf61b01

    SHA1

    86344ccbaa1f2d87e2d38dc08e0a07c95fd28361

    SHA256

    85a559430555eddb72eedcbd4616a63fd962b814d2c22756e5723105844ec446

    SHA512

    b12a4bf608c018e1c14d530c529780e83d6411d1684f02aadbd552e105d393cf9767d71342e5c5eefe97421a311e61e6347d75f6d4218de77877c38435e46223

  • C:\Users\Admin\AppData\Local\Temp\hiocqy.exe

    Filesize

    90KB

    MD5

    ef249c312960cf6777685f4d4bf61b01

    SHA1

    86344ccbaa1f2d87e2d38dc08e0a07c95fd28361

    SHA256

    85a559430555eddb72eedcbd4616a63fd962b814d2c22756e5723105844ec446

    SHA512

    b12a4bf608c018e1c14d530c529780e83d6411d1684f02aadbd552e105d393cf9767d71342e5c5eefe97421a311e61e6347d75f6d4218de77877c38435e46223

  • C:\Users\Admin\AppData\Local\Temp\hoclwkt.s

    Filesize

    301KB

    MD5

    81a3ecab425e8e50ada59ac5d4a01415

    SHA1

    e6d122d61f136c190139b9d03eb4e059aa7c865b

    SHA256

    efbd5085d28b795bf0d3d70283a8668ec5312a8daae4a5a6ccff2eab6893742e

    SHA512

    d5521c3381279c0a58ab23a438a987fd1383c572bb41eb24343fc127e820695d951d8151f00e3be64b01a003b8e46dea711bdcf9b1cd293280532c7bd45b5b05

  • C:\Users\Admin\AppData\Local\Temp\tmpA2AD.tmp

    Filesize

    1KB

    MD5

    c156dcb6b87cdedf6ef8b0001bea09e4

    SHA1

    df77b6f0bb9c8818807c080433b2f40ef8b8636e

    SHA256

    76289aedd6f2744e7c0c16f06609ee7a36fa35cdda7eda651f20a41fe99ae243

    SHA512

    cbd4bb5db72c28c7d7070a0f01fe264acc0c3003e2bf50c64f47930d30ce0ca23e7da811223b8e7a8cb52efb1e30bbc6d813a44eddc71a0978b3881ecf7d9a61

  • C:\Users\Admin\AppData\Local\Temp\tmpA32B.tmp

    Filesize

    1KB

    MD5

    c9a4c783d2e18eea86e071de92f36f02

    SHA1

    4cb02db05386ccb70a23fa89dbadfddfc8f7b6af

    SHA256

    21d669a674eb23538f38f6822429d797e69e0685d18c0e6e03ec6801098b240a

    SHA512

    b6d5198d9ca83687fcc491c02ad8b417e02dff0150b514c3d39d13b8de9ffba6f3779ee7bb6350b087474fb6e0d1bd10b8fdd5c8f48a46c9cfd183d9045b80ef

  • C:\Users\Admin\AppData\Local\Temp\tmzcv.ci

    Filesize

    5KB

    MD5

    fd89de32276854cef6b9d4563a4c7e0d

    SHA1

    2bedfbb03429151fbe576323811121a6ff7bf704

    SHA256

    c690ac0daf1c3662520cb911c16557d2fd270c59b04cc1db1d79b1cc0bdf6f17

    SHA512

    8f4d7e37eb5affb0ad2822057f6e6d7f6a18e174ea4f9077cd18632a5c137f32a3350ff1ac102f14d93aabdd1034bea3246a337567fcf26cd75828684cef82e8

  • memory/5028-144-0x0000000005170000-0x000000000520C000-memory.dmp

    Filesize

    624KB

  • memory/5028-145-0x0000000005010000-0x000000000501A000-memory.dmp

    Filesize

    40KB

  • memory/5028-143-0x0000000005030000-0x00000000050C2000-memory.dmp

    Filesize

    584KB

  • memory/5028-142-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/5028-141-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB