Overview

overview

10

Static

static

8

bbb15be767...0d.exe

windows7-x64

8

bbb15be767...0d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 00:00

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General

  • Target

    bbb15be7671c741c629b4aef57e9c4fae46c6aec3d473e68296a93f103502f0d.exe

  • Size

    833KB

  • MD5

    212ab86430aa1518a9daa1bb1b6988af

  • SHA1

    fdd1744115c678e86498a732bef353161e53e632

  • SHA256

    bbb15be7671c741c629b4aef57e9c4fae46c6aec3d473e68296a93f103502f0d

  • SHA512

    524d3ec26625ac6e2112b56bd21890b7bda9038384f4f8b479b00b95b167fba0e2062ba0d33b832ee53817a599c085ca8a221b5d0e11a8aad1379b6e1a19549b

  • SSDEEP

    12288:uYV6MorX7qzuC3QHO9FQVHPF51jgcIXNClc6omgUbtkUwktx3/D0uTG3qm2uFh:NBXu9HGaVHA56omgihtV47Bh

Score
10/10
nanocoreevasionkeyloggerspywarestealertrojanupx

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

wiz2019.ddns.net:9124

127.0.0.1:9124
Mutex

11b7a8df-4841-407d-890d-fa91ef45a540

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-01-21T20:12:24.848476036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    9124

  • default_group

    Wizblessing

  • 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

    11b7a8df-4841-407d-890d-fa91ef45a540

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    wiz2019.ddns.net

  • 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
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops startup file 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbb15be7671c741c629b4aef57e9c4fae46c6aec3d473e68296a93f103502f0d.exe
    "C:\Users\Admin\AppData\Local\Temp\bbb15be7671c741c629b4aef57e9c4fae46c6aec3d473e68296a93f103502f0d.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3356
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2608-134-0x0000000000000000-mapping.dmp
    Download
  • memory/2608-135-0x0000000000340000-0x0000000000378000-memory.dmp
    Filesize

    224KB

    Download
  • memory/2608-141-0x0000000075150000-0x0000000075701000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2608-142-0x0000000075150000-0x0000000075701000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3356-132-0x00000000001A0000-0x000000000036B000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/3356-133-0x00000000001A0000-0x000000000036B000-memory.dmp
    Filesize

    1.8MB

    Download
  • memory/3356-140-0x00000000001A0000-0x000000000036B000-memory.dmp
    Filesize

    1.8MB

    Download