Overview

overview

10

Static

static

3

b637c3b199...18.exe

windows7-x64

10

b637c3b199...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-06-2024 01:39

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General

  • Target

    b637c3b199f38672138ee252608e56af_JaffaCakes118.exe

  • Size

    790KB

  • MD5

    b637c3b199f38672138ee252608e56af

  • SHA1

    4a0dc61c4b96d2459bf950251faa990f012c74e6

  • SHA256

    31de2b0e1dff55d6f2b577c5dfa193b261e77df67141f034ec39ade4b17bfd4e

  • SHA512

    ba65b2291c60fac64734824399f0767d7c35265e23882fd4f85c7494557312980d2a8721d59c9db04468428262395275cb27c4ca797475880aa8bf71af981225

  • SSDEEP

    12288:IcRkG++rZQEXRPGN/5bs7YAWl0TBGo0lzULijGaG1GGGsuGGGGGGGJGGsnNNNNNl:IZGRr1X0N/5A7Ytl0tGr

Score
10/10
nanocorekeyloggerspywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u852121.nvpn.to:3410

Mutex

9868442a-9d4e-4c6d-b1ff-3e55d6e4fb6e

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    u852121.nvpn.to

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-06-21T05:33:15.987650436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3410

  • default_group

    AUSSIE-DOC

  • 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

    9868442a-9d4e-4c6d-b1ff-3e55d6e4fb6e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    u852121.nvpn.to

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b637c3b199f38672138ee252608e56af_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b637c3b199f38672138ee252608e56af_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:1912
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:4812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1484-9-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1484-1-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1484-2-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1484-3-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1484-4-0x0000000075442000-0x0000000075443000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1484-5-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1484-0-0x0000000075442000-0x0000000075443000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4812-6-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

      Download
    • memory/4812-8-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4812-11-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4812-10-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4812-13-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4812-14-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4812-15-0x0000000075440000-0x00000000759F1000-memory.dmp
      Filesize

      5.7MB

      Download