Analysis

  • max time kernel
    103s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 21:52

General

  • Target

    2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe

  • Size

    503KB

  • MD5

    2d43dd5a629f5b5ced165a6957fa7a20

  • SHA1

    4326924c72002a52b073789dc647bc5d65edfc07

  • SHA256

    2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28

  • SHA512

    eec014d7069cd6edcc90d60df742f7961dca0a65f15d0c18f310754df7e21e018707220130ecd3d65cefc5084872391bdff6b32d9d09c9ad74652be513e160fb

  • SSDEEP

    12288:eVGgMOAslYbn5vK2w7CeEBOB8tfjHmdqC:btslYbN2Ebt7HmdqC

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

212.192.241.19:9530

Mutex

0e53723b-45a2-4610-9e0f-bcbf71098cb0

Attributes
  • activate_away_mode

    false

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-26T03:05:48.681858136Z

  • 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

    9530

  • default_group

    Saint

  • 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

    0e53723b-45a2-4610-9e0f-bcbf71098cb0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    212.192.241.19

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe
    "C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvSCyEhVKRwxif" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30FE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4536
    • C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe
      "C:\Users\Admin\AppData\Local\Temp\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.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
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp32D3.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3624
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp342B.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2b144301023e2f55c3915df73f0de30a7bb309e97ef1a073b59e339b381dcf28.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tcdmq2rd.jmm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp32D3.tmp

    Filesize

    1KB

    MD5

    e495f3cb0c979cd94680b65d9b2ebc67

    SHA1

    419c6cb816fe8488f944f25720aef83d062098f7

    SHA256

    c0daa0dc7230aa20bf0bf224cb2e21c3654a5694ce31423590b2eb612aef7dcb

    SHA512

    edd41fa564a32db23f2cb8280e35e62f0739a5fb7c3528a8c5020624eede4d15e53656c276e22952e880d1c6a669640bb5766208be1b9f7d27e98ddf087dfffb

  • C:\Users\Admin\AppData\Local\Temp\tmp342B.tmp

    Filesize

    1KB

    MD5

    2862e61d09852ea2886c036af0465051

    SHA1

    45e30b14543868213f7f1cba0a1e0cc840fb2cd2

    SHA256

    d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

    SHA512

    33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

  • memory/628-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/628-6-0x0000000006650000-0x00000000066EC000-memory.dmp

    Filesize

    624KB

  • memory/628-7-0x0000000005090000-0x000000000509E000-memory.dmp

    Filesize

    56KB

  • memory/628-8-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/628-9-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-10-0x0000000006450000-0x00000000064AC000-memory.dmp

    Filesize

    368KB

  • memory/628-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

    Filesize

    584KB

  • memory/628-2-0x0000000005390000-0x0000000005934000-memory.dmp

    Filesize

    5.6MB

  • memory/628-5-0x0000000004E50000-0x0000000004E5A000-memory.dmp

    Filesize

    40KB

  • memory/628-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/628-1-0x00000000003C0000-0x0000000000444000-memory.dmp

    Filesize

    528KB

  • memory/916-47-0x0000000005B80000-0x0000000005B9E000-memory.dmp

    Filesize

    120KB

  • memory/916-46-0x0000000005990000-0x000000000599A000-memory.dmp

    Filesize

    40KB

  • memory/916-77-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/916-48-0x0000000005D90000-0x0000000005D9A000-memory.dmp

    Filesize

    40KB

  • memory/916-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/916-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/916-26-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/916-76-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4676-21-0x0000000000D20000-0x0000000000D56000-memory.dmp

    Filesize

    216KB

  • memory/4676-63-0x0000000006CA0000-0x0000000006D43000-memory.dmp

    Filesize

    652KB

  • memory/4676-39-0x00000000055E0000-0x0000000005646000-memory.dmp

    Filesize

    408KB

  • memory/4676-40-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4676-33-0x0000000005340000-0x0000000005362000-memory.dmp

    Filesize

    136KB

  • memory/4676-23-0x0000000004C10000-0x0000000005238000-memory.dmp

    Filesize

    6.2MB

  • memory/4676-49-0x0000000005A90000-0x0000000005AAE000-memory.dmp

    Filesize

    120KB

  • memory/4676-50-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

    Filesize

    304KB

  • memory/4676-51-0x0000000006A60000-0x0000000006A92000-memory.dmp

    Filesize

    200KB

  • memory/4676-52-0x000000006FFD0000-0x000000007001C000-memory.dmp

    Filesize

    304KB

  • memory/4676-62-0x0000000006040000-0x000000000605E000-memory.dmp

    Filesize

    120KB

  • memory/4676-38-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/4676-64-0x0000000007400000-0x0000000007A7A000-memory.dmp

    Filesize

    6.5MB

  • memory/4676-65-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

    Filesize

    104KB

  • memory/4676-66-0x0000000006E30000-0x0000000006E3A000-memory.dmp

    Filesize

    40KB

  • memory/4676-67-0x0000000007040000-0x00000000070D6000-memory.dmp

    Filesize

    600KB

  • memory/4676-68-0x0000000006FC0000-0x0000000006FD1000-memory.dmp

    Filesize

    68KB

  • memory/4676-69-0x0000000006FF0000-0x0000000006FFE000-memory.dmp

    Filesize

    56KB

  • memory/4676-70-0x0000000007000000-0x0000000007014000-memory.dmp

    Filesize

    80KB

  • memory/4676-71-0x0000000007100000-0x000000000711A000-memory.dmp

    Filesize

    104KB

  • memory/4676-72-0x00000000070E0000-0x00000000070E8000-memory.dmp

    Filesize

    32KB

  • memory/4676-75-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4676-42-0x0000000005650000-0x00000000059A4000-memory.dmp

    Filesize

    3.3MB

  • memory/4676-22-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB