Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 00:24

General

  • Target
    c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
  • Size 445KB
  • Sample241205-ap2cbavkcq
  • SHA256 82f425150e933ae4f1f3174cf68bbfdb0e8ed8767b511e80ff95595881c9867b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • 195.242.110.183:5654

Mutex
  • 91612fd5-69d9-4114-9ab3-91d748463d48

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    195.242.110.183

  • backup_dns_server

    195.242.110.183

  • buffer_size

    65535

  • build_time

    2021-05-21T07:22:15.520160336Z

  • 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

    5654

  • default_group

    Default

  • 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

    91612fd5-69d9-4114-9ab3-91d748463d48

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    195.242.110.183

  • primary_dns_server

    195.242.110.183

  • 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.

  • Nanocore family
  • 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
  • Checks whether UAC is enabled 1 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
    • C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.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 WriteProcessMemory
      PID:3004
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE9A4.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3672
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA03.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c5052a4af2f30bb484ed1814798b3348_JaffaCakes118.exe.log
        • Size 1KB
        • SHA256 48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 d9c5347ed06755feeb0615f1671f6b91e2718703da0dbc4b0bd205cbd2896dd4
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 19KB
        • SHA256 71f776ed11e5fdff9d51c197cea44a0a1fddc04b06f47eaac7623f1fc3036383
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_3le2zchr.1dp.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3le2zchr.1dp.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpE9A4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpE9A4.tmp
        • Size 1KB
        • SHA256 e530569890d87203f16610bfc5cac4a47ce2fba5ef7ec5f3f12e806bd92f4582
        • MD5 SHA1 SHA512

        tmpEA03.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpEA03.tmp
        • Size 1KB
        • SHA256 39b16b3a00b6b43c6820357127228c0768a577153014ce7b0ea3c585244dc08b
        • MD5 SHA1 SHA512

        memory/1360-25-0x0000000006010000-0x000000000605C000-memory.dmp

        memory/1360-26-0x0000000006FD0000-0x0000000007066000-memory.dmp

        memory/1360-14-0x0000000005A00000-0x0000000005D54000-memory.dmp

        memory/1360-11-0x0000000005280000-0x00000000052E6000-memory.dmp

        memory/1360-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/1360-24-0x0000000005F80000-0x0000000005F9E000-memory.dmp

        memory/1360-10-0x00000000050E0000-0x0000000005102000-memory.dmp

        memory/1360-8-0x00000000053D0000-0x00000000059F8000-memory.dmp

        memory/1360-27-0x00000000064B0000-0x00000000064CA000-memory.dmp

        memory/1360-28-0x0000000006500000-0x0000000006522000-memory.dmp

        memory/1360-29-0x0000000008250000-0x00000000088CA000-memory.dmp

        memory/1360-32-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/1360-7-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/1360-12-0x00000000052F0000-0x0000000005356000-memory.dmp

        memory/1360-6-0x0000000002690000-0x00000000026C6000-memory.dmp

        memory/1360-9-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/3004-2135-0x0000000006700000-0x000000000670A000-memory.dmp

        memory/3004-2123-0x0000000000400000-0x0000000000438000-memory.dmp

        memory/3004-2125-0x0000000005540000-0x00000000055DC000-memory.dmp

        memory/3004-2133-0x0000000006530000-0x000000000653A000-memory.dmp

        memory/3004-2134-0x00000000065C0000-0x00000000065DE000-memory.dmp

        memory/4720-111-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-81-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

        memory/4720-1-0x0000000000D90000-0x0000000000E06000-memory.dmp

        memory/4720-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

        memory/4720-52-0x0000000006A60000-0x0000000006AC8000-memory.dmp

        memory/4720-53-0x0000000007560000-0x00000000075CC000-memory.dmp

        memory/4720-61-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-67-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-117-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-115-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-3-0x0000000005890000-0x0000000005922000-memory.dmp

        memory/4720-109-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-107-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-105-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-103-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-101-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-99-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-95-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-93-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-91-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-89-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-88-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-86-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-83-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-4-0x0000000005970000-0x000000000597A000-memory.dmp

        memory/4720-79-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-77-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-75-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-73-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-71-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-65-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-63-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-113-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-97-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-70-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-59-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-57-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-55-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-54-0x0000000007560000-0x00000000075C6000-memory.dmp

        memory/4720-34-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4720-33-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

        memory/4720-2124-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4720-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4840-38-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4840-36-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4840-51-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4840-37-0x0000000074F00000-0x00000000756B0000-memory.dmp

        memory/4840-48-0x0000000005EF0000-0x0000000006244000-memory.dmp