Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 00:21

General

  • Target

    3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322.exe

  • Size

    1.4MB

  • MD5

    c573d8c93af3e0867a7f8365e8d56882

  • SHA1

    d9228e8d9da76a70caa9d879dbe42d35796473af

  • SHA256

    3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322

  • SHA512

    51b406a946a06dd0474728e89473a76db4951e402f97081505ab6f94e92ff2e534f8057a248a4a92d4acab99d5ea33b89d03fab073ef736a9b8616f0cb52c159

  • SSDEEP

    24576:rAOcZEhNWxlG7m4/9eBcA4CCEti0POqh/0rEOTq6ai0bagi7xa5S:tyxlk9eBVlCGVPOwOTq6d4a5w8

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newme122.3utilities.com:8822

newme1122.3utilities.com:8822

Mutex

dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    newme1122.3utilities.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-31T13:00:17.372768836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8822

  • default_group

    A New TIme Has Come

  • 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

    dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newme122.3utilities.com

  • primary_dns_server

    8.8.8.8

  • 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.

  • Nanocore family
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322.exe
    "C:\Users\Admin\AppData\Local\Temp\3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\04687118\vfqftjs.pif
      "C:\Users\Admin\04687118\vfqftjs.pif" benowsto.dso
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2852
      • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\04687118\htdvvtoec.cpl

    Filesize

    57KB

    MD5

    7ed530856ca49cc6e529fde187cafa69

    SHA1

    45decbe54611c757d6ff1897cc5d8736663a235e

    SHA256

    b7dcb66c6681eca56a487148033d518dcf6bbc9f8daeb36065a62300bbf6bf18

    SHA512

    f653a02643cd32bd2c330c0a3e775ef518364229979a730e549a2bae4c2dd203b24e32b28572a8bfad81141cb0147e22fa177102a9428561b330554f51c5347a

  • C:\Users\Admin\04687118\xekts.rve

    Filesize

    1.0MB

    MD5

    9a23a74450492ba99ed6e21118519974

    SHA1

    097ebe56f9b80153cc85a9967a759a590c3e2fcd

    SHA256

    2afd228cda8311585ceada01a515dc32f21fc87e31b2c3eaec6fadb489779cbc

    SHA512

    e1885d3657275d8e70f0f61ac0a6af6c9202e233def34e820fb9054ab07f0b73c83edc667787263e3a29933fefa24d027cd61b14d3c156ece15692b9d8561511

  • \Users\Admin\04687118\vfqftjs.pif

    Filesize

    758KB

    MD5

    8935e163bb79e8d4b40b73521a06a0d1

    SHA1

    dfd9f6cd5dabf0c2fae0186b5471f025f542c708

    SHA256

    3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

    SHA512

    76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

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

    Filesize

    44KB

    MD5

    0e06054beb13192588e745ee63a84173

    SHA1

    30b7d4d1277bafd04a83779fd566a1f834a8d113

    SHA256

    c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

    SHA512

    251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

  • memory/2612-86-0x0000000002490000-0x00000000024AA000-memory.dmp

    Filesize

    104KB

  • memory/2612-88-0x0000000002580000-0x000000000258E000-memory.dmp

    Filesize

    56KB

  • memory/2612-77-0x00000000002C0000-0x00000000008D3000-memory.dmp

    Filesize

    6.1MB

  • memory/2612-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-79-0x00000000002C0000-0x00000000008D3000-memory.dmp

    Filesize

    6.1MB

  • memory/2612-82-0x00000000002C0000-0x000000000034C000-memory.dmp

    Filesize

    560KB

  • memory/2612-84-0x0000000000C60000-0x0000000000C6A000-memory.dmp

    Filesize

    40KB

  • memory/2612-85-0x0000000000C70000-0x0000000000C82000-memory.dmp

    Filesize

    72KB

  • memory/2612-74-0x00000000002C0000-0x00000000008D3000-memory.dmp

    Filesize

    6.1MB

  • memory/2612-80-0x00000000002C0000-0x00000000008D3000-memory.dmp

    Filesize

    6.1MB

  • memory/2612-87-0x0000000002570000-0x000000000257E000-memory.dmp

    Filesize

    56KB

  • memory/2612-91-0x0000000002630000-0x0000000002640000-memory.dmp

    Filesize

    64KB

  • memory/2612-90-0x00000000025E0000-0x00000000025F4000-memory.dmp

    Filesize

    80KB

  • memory/2612-92-0x0000000002690000-0x00000000026A4000-memory.dmp

    Filesize

    80KB

  • memory/2612-89-0x00000000025D0000-0x00000000025DC000-memory.dmp

    Filesize

    48KB

  • memory/2612-94-0x00000000047C0000-0x00000000047DE000-memory.dmp

    Filesize

    120KB

  • memory/2612-95-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

    Filesize

    40KB

  • memory/2612-93-0x00000000026A0000-0x00000000026AE000-memory.dmp

    Filesize

    56KB

  • memory/2612-97-0x0000000004EB0000-0x0000000004EC4000-memory.dmp

    Filesize

    80KB

  • memory/2612-96-0x0000000005320000-0x000000000534E000-memory.dmp

    Filesize

    184KB