Overview

overview

10

Static

static

5

314295f50f...31.exe

windows7-x64

10

314295f50f...31.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26/07/2024, 02:31

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General

  • Target

    314295f50f19bc76b802b15a0ec487c50749dc617d48ea91b129ba699e01ff31.exe

  • Size

    1.4MB

  • MD5

    196eb0eaab0b0dd8f691e89719e3e09e

  • SHA1

    b3d4718abb3bc226fdc00e4d9348065a89dedf8d

  • SHA256

    314295f50f19bc76b802b15a0ec487c50749dc617d48ea91b129ba699e01ff31

  • SHA512

    41ce8163cfccbd1f691dfbd9b8e42fc337efb90f2dc81f99a8ab1b09e7b7b0fd085ae0c859ef0da79848e6714933f8052064f54994919da79e03d83c80f183c2

  • SSDEEP

    24576:cAHnh+eWsN3skA4RV1Hom2KXcytcEd4up+MjI0cXMNxJ0uKe+OqU03oh/M6lD5q:7h+ZkldoPKsmcOp+MjaXMdmeH0YdM6vq

Score
10/10
nanocorediscoveryevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    testwork.kozow.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-16T16:47:25.218235636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8906

  • default_group

    star

  • 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

    bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    testwork.kozow.com

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

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\314295f50f19bc76b802b15a0ec487c50749dc617d48ea91b129ba699e01ff31.exe
    "C:\Users\Admin\AppData\Local\Temp\314295f50f19bc76b802b15a0ec487c50749dc617d48ea91b129ba699e01ff31.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2092-0-0x00000000002C0000-0x0000000000433000-memory.dmp

    Filesize

    1.4MB

    Download

  • memory/2092-14-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2092-19-0x0000000000160000-0x0000000000161000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2812-6-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2812-16-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2812-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2812-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2812-17-0x0000000073A12000-0x0000000073A14000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2812-20-0x0000000073A12000-0x0000000073A14000-memory.dmp

    Filesize

    8KB

    Download