Overview

overview

10

Static

static

5

f98f8bc865...c9.exe

windows7-x64

3

f98f8bc865...c9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 10:25

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General

  • Target

    f98f8bc86508ac2340ec89b5294c78a8d96993eb1d86a540804ab4bc09efaec9.exe

  • Size

    1.2MB

  • MD5

    b63be5b29fad1b46d2ecbde9dd82f14c

  • SHA1

    b98536ad9517f0fa28b6d4aed192c194ae6f5662

  • SHA256

    f98f8bc86508ac2340ec89b5294c78a8d96993eb1d86a540804ab4bc09efaec9

  • SHA512

    c30023987337a4c9892ed6cf23c9d185dd10051f68b7b2d96f857edae157166ad3b15eecf06e1275cf539eda098cd14b9c29043426f941900095aa987096b9e5

  • SSDEEP

    24576:9AHnh+eWsN3skA4RV1Hom2KXMmHatZyrh9QI/C+EZCBqUIYXmf8MuvWzA:ch+ZkldoPK8YatZyri7QPIYXLMI

Score
10/10
nanocorediscoveryevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

megida.hopto.org:8822

Mutex

0622add8-a38b-49c1-8dc8-c09cf4320fc4

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-03-11T12:24:33.692689636Z

  • 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

    NewLappi

  • 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

    0622add8-a38b-49c1-8dc8-c09cf4320fc4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    megida.hopto.org

  • 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.

    keyloggertrojanstealerspywarenanocore
  • Nanocore family
    nanocore
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f98f8bc86508ac2340ec89b5294c78a8d96993eb1d86a540804ab4bc09efaec9.exe
    "C:\Users\Admin\AppData\Local\Temp\f98f8bc86508ac2340ec89b5294c78a8d96993eb1d86a540804ab4bc09efaec9.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:4772
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
        2⤵
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2212-3-0x00000000033C0000-0x00000000033C3000-memory.dmp

      Filesize

      12KB

      Download

    • memory/4208-4-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

      Download

    • memory/4208-5-0x00000000740E2000-0x00000000740E3000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4208-6-0x00000000740E0000-0x0000000074691000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4208-7-0x00000000740E0000-0x0000000074691000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4208-9-0x00000000740E2000-0x00000000740E3000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4208-10-0x00000000740E0000-0x0000000074691000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/4208-11-0x00000000740E0000-0x0000000074691000-memory.dmp

      Filesize

      5.7MB

      Download