Overview

overview

10

Static

static

5

711bf8ab2e...18.exe

windows7-x64

10

711bf8ab2e...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/07/2024, 13:24

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General

  • Target

    711bf8ab2e44efa64bbb5ede2df6cd3b_JaffaCakes118.exe

  • Size

    1.9MB

  • MD5

    711bf8ab2e44efa64bbb5ede2df6cd3b

  • SHA1

    eedfb903073dff188ddbea9d333fb816e4e8f5d1

  • SHA256

    4eeda8b4a53bee4aff7be9bf9cb77e42b21b8c060e23e397abc0f9ec680d66f4

  • SHA512

    bc5a2843bb8d067c382e5ea23133ddcbc441fa29c4e62e723389abf07a28b4a83c7efbbb3f2389afb85f3dac494c3e4fc75f67a6cd66028dde37330b673aaa17

  • SSDEEP

    49152:Fh+ZkldoPKi2atiMXXZ42WB42BcIK+/1KRS:22cPKidxpXj

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

marci.hopto.org:2310

Mutex

99c1c9ca-4ff9-4dbc-873b-5232a95ed8fa

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    marci.hopto.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-11-11T10:23:57.924380236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    2310

  • default_group

    Deals

  • 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

    99c1c9ca-4ff9-4dbc-873b-5232a95ed8fa

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    marci.hopto.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.

    keyloggertrojanstealerspywarenanocore
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\711bf8ab2e44efa64bbb5ede2df6cd3b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\711bf8ab2e44efa64bbb5ede2df6cd3b_JaffaCakes118.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:4728
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
      2⤵
        PID:3368
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
        2⤵
          PID:3440
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.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: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:3924

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3924-5-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

        Download

      • memory/3924-6-0x0000000073652000-0x0000000073653000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3924-7-0x0000000073650000-0x0000000073C01000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/3924-8-0x0000000073650000-0x0000000073C01000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/3924-11-0x0000000073652000-0x0000000073653000-memory.dmp

        Filesize

        4KB

        Download

      • memory/3924-12-0x0000000073650000-0x0000000073C01000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/3924-13-0x0000000073650000-0x0000000073C01000-memory.dmp

        Filesize

        5.7MB

        Download

      • memory/4728-3-0x0000000003690000-0x00000000036C3000-memory.dmp

        Filesize

        204KB

        Download

      • memory/4728-4-0x00000000036D0000-0x0000000003703000-memory.dmp

        Filesize

        204KB

        Download