Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 23:31

General

  • Target

    plugman01558.exe

  • Size

    598KB

  • MD5

    991132ddc79bd645dc6264f86358f724

  • SHA1

    9bf9fcfbc256179ffcefaf215ee266ddeb535f0e

  • SHA256

    674427173a5e079caa90209387e6131f19ebafea2f2a0b7c580fa8ea7d4eaa45

  • SHA512

    8ff72e2d1420d0bacc9c0e1111312c09bfbb0a61ca14d11f2d7da4ec1fa82116e655d6cf5feec7463d57b8092ad4fbed547b63fdba6b453001b3b7b078be107f

  • SSDEEP

    12288:Ajsj3HbgUeFedrkXmew74UCesjuCC37sDiXD/FhfgUT+MzYjMv43xK4ENzQK:dT7gUeirkX5wU31VC1Fhf/vUjMQ3rEN

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

6coinc.zapto.org:6696

127.0.0.1:6696

Mutex

dc5ce709-95b6-4a26-9175-16a1a8446828

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2023-09-03T02:07:11.731490736Z

  • 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

    6696

  • default_group

    6coinc

  • 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

    dc5ce709-95b6-4a26-9175-16a1a8446828

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    6coinc.zapto.org

  • 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.

  • Nanocore family
  • 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
  • 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.

  • Scheduled Task/Job: Scheduled Task 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\plugman01558.exe
    "C:\Users\Admin\AppData\Local\Temp\plugman01558.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\plugman01558.exe
      "C:\Users\Admin\AppData\Local\Temp\plugman01558.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:2320
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1297.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3008
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1585.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1297.tmp

    Filesize

    1KB

    MD5

    9595248d9aee4187c9fa9025aeecb08f

    SHA1

    7b1ef645f30473fe135df49601c2a75fecc719cf

    SHA256

    7ade529beeefbef53d10e71cc7406de1a14b572a49d4e48bd1a67c7ef79dff1e

    SHA512

    f0f0cf675d269a3b2508dcdb7055c3817f92c28a1290e73fd905b633c782d06f2c1d650ee56f27d6ae2e380b91ade5803fb16d91522a77d978f3eb5c1f2d0eba

  • C:\Users\Admin\AppData\Local\Temp\tmp1585.tmp

    Filesize

    1KB

    MD5

    cdf5683344404764a0f3592e9db8a5a1

    SHA1

    6705943b404de237cdd7080c05af25e2b1b6410c

    SHA256

    1ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff

    SHA512

    23c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b

  • memory/840-0-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/840-1-0x0000000000B10000-0x0000000000BAC000-memory.dmp

    Filesize

    624KB

  • memory/840-2-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/840-3-0x0000000000940000-0x0000000000958000-memory.dmp

    Filesize

    96KB

  • memory/840-4-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/840-5-0x000000007422E000-0x000000007422F000-memory.dmp

    Filesize

    4KB

  • memory/840-6-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/840-7-0x0000000000960000-0x000000000096A000-memory.dmp

    Filesize

    40KB

  • memory/840-8-0x0000000000860000-0x00000000008D2000-memory.dmp

    Filesize

    456KB

  • memory/840-26-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-19-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-11-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-23-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-27-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2320-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-9-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2320-33-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/2320-34-0x0000000000500000-0x000000000051E000-memory.dmp

    Filesize

    120KB

  • memory/2320-35-0x0000000000540000-0x000000000054A000-memory.dmp

    Filesize

    40KB

  • memory/2320-36-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-37-0x0000000074220000-0x000000007490E000-memory.dmp

    Filesize

    6.9MB