Overview

overview

10

Static

static

5

9fff4c0227...18.exe

windows7-x64

10

9fff4c0227...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 08:16

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General

  • Target

    9fff4c02274c0162880844f27ff91407_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    9fff4c02274c0162880844f27ff91407

  • SHA1

    1cc3d9c13f61d4b285cd9f234c5d6c0e0b06784a

  • SHA256

    b80fa39729da628febb95ed7fd4b14e06bf20e046a537ab92d0b0ba771d84274

  • SHA512

    7c4bcec8d01afaedc22045c8976496c8d57c75738b182a0ba2e5678c755b19e65c28cf325090b43ca6c9a921826705d3746c9945186d7d062e26f2b662f40734

  • SSDEEP

    24576:GAHnh+eWsN3skA4RV1Hom2KXMmHaWnnwFyOr1Gzz3n/5:hh+ZkldoPK8YaCwFherR

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chance2019.ddns.net:49153

127.0.0.1:49153
Mutex

8e4ad066-a383-4536-bede-79946f9beab0

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-06-14T14:19:20.316382236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    49153

  • default_group

    EXPLOIT-JS

  • 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

    8e4ad066-a383-4536-bede-79946f9beab0

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    chance2019.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
  • 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
  • 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fff4c02274c0162880844f27ff91407_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9fff4c02274c0162880844f27ff91407_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4868
    • 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:896

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/896-3-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

    Download
  • memory/896-8-0x00000000739D2000-0x00000000739D3000-memory.dmp
    Filesize

    4KB

    Download
  • memory/896-9-0x00000000739D0000-0x0000000073F81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/896-10-0x00000000739D0000-0x0000000073F81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/896-12-0x00000000739D2000-0x00000000739D3000-memory.dmp
    Filesize

    4KB

    Download
  • memory/896-13-0x00000000739D0000-0x0000000073F81000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4868-2-0x0000000001090000-0x0000000001091000-memory.dmp
    Filesize

    4KB

    Download