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Overview

overview

10

Static

static

5

f2dc476568...18.exe

windows7-x64

10

f2dc476568...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/09/2024, 18:21

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General

  • Target

    f2dc476568203b78563a77c0109a1073_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    f2dc476568203b78563a77c0109a1073

  • SHA1

    bb5f5ea04b61038ec29f22c46f873c219b7df1ef

  • SHA256

    ea57060caf8b7aa6ce530589789792a8b16197e3c1cc04d953be764d3f835c6c

  • SHA512

    d673eb55d25d880416d4d516c8c112ca8201417ef0cdaba0fc887e528b84df3a0af39ed37e2d6f1b469a83d1eb567c3feb25300b96a6db1a187f55f5708ff50d

  • SSDEEP

    24576:9AHnh+eWsN3skA4RV1Hom2KXMmHalzKIl9CYdXUwym5:ch+ZkldoPK8YaleIlBUS

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

warzoneburky.ddns.net:5353

Mutex

df07078f-d289-4d2c-b7e9-b17fbb5a24ee

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-05-19T06:16:39.928542836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5353

  • default_group

    GMOWERRI

  • 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

    df07078f-d289-4d2c-b7e9-b17fbb5a24ee

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    warzoneburky.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
  • 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 29 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\f2dc476568203b78563a77c0109a1073_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2dc476568203b78563a77c0109a1073_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • 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:2724
    • 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: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1172-3-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/1172-8-0x0000000073A92000-0x0000000073A93000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1172-9-0x0000000073A90000-0x0000000074041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-10-0x0000000073A90000-0x0000000074041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-12-0x0000000073A92000-0x0000000073A93000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1172-13-0x0000000073A90000-0x0000000074041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1172-14-0x0000000073A90000-0x0000000074041000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2724-2-0x0000000002480000-0x0000000002481000-memory.dmp

    Filesize

    4KB

    Download