Analysis

  • max time kernel
    147s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 09:01

General

  • Target

    828e9fa440667700be0305848ec7c6fb_JaffaCakes118.exe

  • Size

    391KB

  • MD5

    828e9fa440667700be0305848ec7c6fb

  • SHA1

    9fe92bb6b7b6986690f840078b080c56b5aa4a0e

  • SHA256

    6b59ef9e80eed04fb2d45569f27dada7b901fc47e726e0c48ea75107d2ea2870

  • SHA512

    b8ce90cc662ed7384e5ecfe20e7b6b7436c940e5d44816aff21c17f52cdba72233b5790d3202249f86a61aa07862f38c4996a28a273e9e5c05e18583b8a1d725

  • SSDEEP

    12288:IudCZLjBTMXU3wL4vXBMzHNGALXEss/gc:Ix2U3wMvxW1LXElb

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jured123.ddns.net:9033

127.0.0.1:9033

Mutex

f2166d44-4025-4972-8286-3ae1f2df8b6f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-01-30T18:03:09.422891336Z

  • 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

    9033

  • default_group

    RATTED

  • 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

    f2166d44-4025-4972-8286-3ae1f2df8b6f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jured123.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.

  • Nanocore family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\828e9fa440667700be0305848ec7c6fb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\828e9fa440667700be0305848ec7c6fb_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
        3⤵
        • Drops startup file
        • System Location Discovery: System Language Discovery
        PID:2996
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd
        3⤵
        • Executes dropped EXE
        • Checks whether UAC is enabled
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /create /f /tn "WPA Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1036.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cm_

    Filesize

    160KB

    MD5

    5f1ac56c39eb680f3b21f120313c16f8

    SHA1

    30eb78f8fb55afca842fc75f974a5d301f57cdf6

    SHA256

    7218840273cfeb2cf6f507d3c238eb1f376fd997e60d52006f6a4876cc01f3a3

    SHA512

    fdcf2f060d9131ad6b41251d707e1d388a560e063ae97188b109dedb35a18c458917c4655de7a67b8611072d2b68ccd1bd3299a9c66f2609ca6eec206db3a0cb

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd

    Filesize

    104KB

    MD5

    42ccd69a3be9618d329de0ea0fde3a81

    SHA1

    47e9897f303496eb9cd5883f9cdb283b6eee65d3

    SHA256

    14137fcc8697e967b251fd0fafbdf79af8db4c1a67f2eafe53756e3ad80a9bef

    SHA512

    33d95b20ce606441c89dbc575c8e884196a19db056ffd9d54a5e0c57f3928b0d064b6270e4abf033046606e0456156faba3f3a8e6a353e924a7461e61e46bfae

  • C:\Users\Admin\AppData\Local\Temp\tmp1036.tmp

    Filesize

    1KB

    MD5

    a1d0f75599c16902d28bb7b756a4f35c

    SHA1

    c752e4155b8445152c97805387a1719da4fcf4f3

    SHA256

    dfc004a96670a057f9d4ce4b2c70ea12aa196edb0d5e99e68e53b5366236a617

    SHA512

    8a3858b519fe899259b9b58a2343421d5ab7fdfec1ba65c834ef6009a8767007f64c648f96948418782ee33c31523517294f37a7d5eca75eaa6b021f31183842

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\z.cmd

    Filesize

    372KB

    MD5

    e7de4028e07068ee6c54ca14081ecc40

    SHA1

    a83f5a9754b4dd98a28a6e717bb392383a4c3a1e

    SHA256

    18f9f8f7a81f58d61de969cb933a6170788339be7f3995af8c1e919e8e2c0763

    SHA512

    1eb53d5db1ba5a632f3fac669be8ec812eaf7d2f43f9be1f1b0388761aafb0411647582a3e924248b66ec17fd8f144706b82577b0ac2f74092630d610f0ed709

  • memory/2456-12-0x0000000000260000-0x0000000000264000-memory.dmp

    Filesize

    16KB

  • memory/2456-20-0x00000000002B0000-0x00000000002B5000-memory.dmp

    Filesize

    20KB

  • memory/3056-27-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-31-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-29-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-33-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-37-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3056-35-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-26-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-40-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-43-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-44-0x0000000000400000-0x0000000001210000-memory.dmp

    Filesize

    14.1MB

  • memory/3056-23-0x0000000000300000-0x0000000000400000-memory.dmp

    Filesize

    1024KB