Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 11:01

General

  • Target

    f359c569b703f59767d4f322c08ffd1b_JaffaCakes118.exe

  • Size

    886KB

  • MD5

    f359c569b703f59767d4f322c08ffd1b

  • SHA1

    176ff19dad6778406d0ce0033a3f4116a2877f57

  • SHA256

    dbfc1426b8273f1490e9f8b61929a3e00fdeefaaef7a4400a1dae2ed2f953a38

  • SHA512

    d143905bb52e0260e40da5a77158066ede52721f4bac7a769f67078565fc886f9cc15f8228813c23f9c41063b73195dde17e06808c3fbf06bd9b0e6eb1f0c19e

  • SSDEEP

    12288:6B/QmMeIgJ/dfZdm1zBmbMMm21dZL4XsgL0Ec:g/Qg4pBmo3W40r

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tzitziklishop.ddns.net:1665

Mutex

76131181-f427-4fea-9060-b76d3b69a321

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    tzitziklishop.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-29T02:49:42.057419436Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1665

  • default_group

    AUGUST

  • 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

    76131181-f427-4fea-9060-b76d3b69a321

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    tzitziklishop.ddns.net

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f359c569b703f59767d4f322c08ffd1b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f359c569b703f59767d4f322c08ffd1b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uLYBYmiNfIUD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9FE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4528
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
      2⤵
        PID:768
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4800
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DOS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1383.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:3640
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "DOS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1420.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:5092

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1383.tmp
      Filesize

      1KB

      MD5

      40b11ef601fb28f9b2e69d36857bf2ec

      SHA1

      b6454020ad2ceed193f4792b77001d0bd741b370

      SHA256

      c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

      SHA512

      e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

    • C:\Users\Admin\AppData\Local\Temp\tmp1420.tmp
      Filesize

      1KB

      MD5

      8f5713b14cee3089852f6c8d2a7a7d57

      SHA1

      8bffbea05715c6434ad593cce8a2c737f80ff788

      SHA256

      ab3ce102242c3144f87bcbfe83984a478821cd09e62c0e5211b2ab37dde02d2c

      SHA512

      82bd2378c2d6bb34a1ad3f2d26bfea583fc8403691bed6668521ba3e8bc7bdbdf142f872ddbc8e5251550f47c9bbee4eb3d0d6096f80d85259082cf68a454c72

    • C:\Users\Admin\AppData\Local\Temp\tmp9FE.tmp
      Filesize

      1KB

      MD5

      460c6fda396b7147b12c6df21f85c461

      SHA1

      b7a23678a08fe38b44693f52da94a5c3a46b07aa

      SHA256

      4778b73bc70542afbcb050d2b920152c7848b790d14ef60012cbe21d02306108

      SHA512

      cada9756c3fb3b5b4f0e3fc7c436e76421d1b3bf459351b65023803f1269881b86d4ffb8b245f86008353f96a62a14dc4ad7c53476bf0e7c441d3aa37a5af27a

    • memory/3080-4-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/3080-1-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/3080-5-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/3080-3-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/3080-0-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/3080-2-0x0000000001760000-0x0000000001770000-memory.dmp
      Filesize

      64KB

    • memory/3080-14-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/4800-15-0x0000000000FC0000-0x0000000000FD0000-memory.dmp
      Filesize

      64KB

    • memory/4800-16-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/4800-13-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/4800-11-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/4800-24-0x0000000000FC0000-0x0000000000FD0000-memory.dmp
      Filesize

      64KB

    • memory/4800-25-0x0000000074A50000-0x0000000075001000-memory.dmp
      Filesize

      5.7MB

    • memory/4800-26-0x0000000000FC0000-0x0000000000FD0000-memory.dmp
      Filesize

      64KB

    • memory/4800-27-0x0000000000FC0000-0x0000000000FD0000-memory.dmp
      Filesize

      64KB