Overview

overview

10

Static

static

5

6b7f805313...18.exe

windows7-x64

10

6b7f805313...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/07/2024, 12:11

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General

  • Target

    6b7f805313404590fa1255ddd81eb103_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    6b7f805313404590fa1255ddd81eb103

  • SHA1

    a7db732bcc981327b42fafb8f128dee9bab51e0b

  • SHA256

    2a0c4bfbb072e3d4b6bd68aac56cca963fa8391103fcad0558afd93697b7397d

  • SHA512

    996e21ad2e89486ac5c27338a2b3d0506537a421d417a876be5519c1fe895458e5d01b7cbe09708aaaa717054e476aaceb6e7e827fbf6175a1373b5c592ce8e4

  • SSDEEP

    24576:ju6Jx3O0c+JY5UZ+XC0kGso/WaejypKO4FgUqayfWY:tI0c++OCvkGsUWaJugUVY

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.193.75.78:1961

Mutex

2fdffdbe-14f2-484d-93cb-088adf95d3a2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    91.193.75.78

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-09-22T07:34:41.665896436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1961

  • default_group

    WARZONE 3

  • 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

    2fdffdbe-14f2-484d-93cb-088adf95d3a2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    91.193.75.78

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • 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
  • Drops file in Program Files directory 2 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 3 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\6b7f805313404590fa1255ddd81eb103_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6b7f805313404590fa1255ddd81eb103_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2320-3-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

    Download

  • memory/2320-7-0x0000000073B22000-0x0000000073B23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2320-8-0x0000000073B20000-0x00000000740D1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-9-0x0000000073B20000-0x00000000740D1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2320-12-0x0000000073B22000-0x0000000073B23000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2320-13-0x0000000073B20000-0x00000000740D1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/3436-0-0x0000000001DD0000-0x0000000001E03000-memory.dmp

    Filesize

    204KB

    Download

  • memory/3436-1-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

    Filesize

    4KB

    Download