Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2024, 18:17

General

  • Target

    9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

  • Size

    914KB

  • MD5

    9d230d677294f4323b9d08c3eed2bb72

  • SHA1

    b15644efdd3a19f1af19a5f84bf3b20d2c27703e

  • SHA256

    3a18b169b555f2e370ae1a3aabe43ee26a0d393a5d0b426543844ed495b6000e

  • SHA512

    ddf7b1b4160567a8b11d6478628e333362ffeeef03818138b68650e30172ad9ced5de8b14e2374b67d79756281054370ca025e442eb3e1231cbbe82cf3459d5a

  • SSDEEP

    24576:Zgt2TmmBSgVKv/PYgHC/eHC5iZqIGmXbo:0uB90v/PYgi5iH

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu:1007

Mutex

876e6e1f-8c62-4c91-ad2c-a15fec3fa3ab

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-10T03:21:46.038753436Z

  • 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

    1007

  • 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

    876e6e1f-8c62-4c91-ad2c-a15fec3fa3ab

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu

  • 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.

  • Nanocore family
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_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 AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp816F.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2640
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "DHCP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp826A.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp816F.tmp

          Filesize

          1KB

          MD5

          7aa3f11c9ae5cc8fcbb62275d2a2e18e

          SHA1

          406ca2399ad3a8a32bcb10f8cbf0a8413083deda

          SHA256

          b251a37d2a0015d3fcc5c545538a487b1a81769f45b2b46fa0772132cf7afc7c

          SHA512

          2337d62434f6ffd86c0a25444866d98b1503bac5f7004b925f43f150a5c9b42d20067f1e0278b4bba8c2f52a55058ca3032171a443e28d5144956d9c58eb43c4

        • C:\Users\Admin\AppData\Local\Temp\tmp826A.tmp

          Filesize

          1KB

          MD5

          cdf5683344404764a0f3592e9db8a5a1

          SHA1

          6705943b404de237cdd7080c05af25e2b1b6410c

          SHA256

          1ea0af7c86be3e61c281ada0470c6dcf178834380def1903b5bb78b49440ffff

          SHA512

          23c56873ca8520784cc1d6b0b4211b373fff6fb429872932e5274801d3b9d786566877cd16d1ffa0adca8c7aebb0b935701a0c071073edfbdb319002f99a182b

        • memory/2216-22-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-3-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-4-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2216-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

          Filesize

          4KB

        • memory/2864-9-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-13-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-5-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-19-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2864-18-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2864-17-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-15-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2864-7-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-8-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2864-28-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2864-29-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB

        • memory/2864-30-0x00000000744A0000-0x0000000074A4B000-memory.dmp

          Filesize

          5.7MB